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2.2.0.25falsefalse30303 - Disclosure - Available-For-Sale Securities (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Duration_1_1_2010_To_12_31_2010http://www.sec.gov/CIK0000882095duration2010-01-01T00:00:002010-12-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0us-gaap_AvailableForSaleSecuritiesAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseAvailable-For-Sale Securities3false0gild_SummaryOfAvailableForSaleDebtAndEquitySecuritiesTextBlockgildfalsenadurationSummary Of Available For Sale Debt And Equity Securitiesfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="61%"> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Amortized Cost</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Gross Unrealized Gains</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Gross Unrealized Losses</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Estimated Fair Value</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> December 31, 2010</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Debt securities:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> U.S. treasury securities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,349,348</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">7,109</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(1,020</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,355,437</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> U.S. government agencies and FDIC guaranteed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,284,654</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11,919</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(463</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,296,110</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Municipal debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">17,543</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">103</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(21</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">17,625</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Non-U.S. government securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">286,410</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,880</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(86</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">288,204</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Corporate debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,112,976</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8,040</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,762</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,119,254</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Residential mortgage and asset-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">277,359</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">923</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,239</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">277,043</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Student loan-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">75,900</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(5,129</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">70,771</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4,404,190</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">29,974</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(9,720</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4,424,444</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Equity securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,451</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,180</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4,631</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,405,641</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">33,154</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(9,720</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,429,075</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr> <tr><td height="16"> </td> <td height="16" colspan="4"> </td> <td height="16" colspan="4"> </td> <td height="16" colspan="4"> </td> <td height="16" colspan="4"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> December 31, 2009</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Debt securities:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> U.S. treasury securities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">289,055</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">844</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(109</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">289,790</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> U.S. government agencies and FDIC guaranteed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,077,910</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">9,116</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(944</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,086,082</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Municipal debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">429,583</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,986</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(95</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">433,474</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Non-U.S. government securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">74,756</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">874</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(106</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">75,524</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Corporate debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">557,116</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">9,563</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(503</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">566,176</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Residential mortgage and asset-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">119,308</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,048</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(110</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">121,246</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Student loan-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">115,400</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(10,577</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">104,823</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,663,128</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">26,431</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(12,444</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,677,115</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Equity securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,451</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,019</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,470</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,664,579</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">28,450</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(12,444</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,680,585</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>     AmortizedCost      GrossUnrealizedGains      GrossUnrealizedLosses     EstimatedFairfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSummary Of Available For Sale Debt And Equity SecuritiesNo authoritative reference available.falsefalseSummary of Available-for-Sale Debt and Equity Securities at Estimated Fair Value4false0gild_SummaryOfClassificationOfAvailableForSaleDebtAndEquitySecuritiesTextBlockgildfalsenadurationSummary Of The Classification Of Available For Sale Debt And Equity Securitiesfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="64%"> </td> <td valign="bottom" width="9%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="9%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December 31, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Cash and cash equivalents</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">18,883</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">48,697</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Short-term marketable securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,190,789</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">384,017</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Long-term marketable securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,219,403</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,247,871</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,429,075</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,680,585</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>     December 31, 2010      December 31, 2009   Cash and cashfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSummary Of The Classification Of Available For Sale Debt And Equity SecuritiesNo authoritative reference available.falsefalseSummary of the Classification of Available-For-Sale Debt and Equity Securities5false0gild_SummaryOfAvailableForSaleDebtSecuritiesByContractualMaturityTextBlockgildfalsenadurationSummary Of Available For Sale Debt Securities By Contractual Maturity [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="56%"> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center">December 31, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Amortized Cost</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Fair Value</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Amortized Cost</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Fair Value</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Less than one year</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,206,032</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,209,672</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">429,980</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">432,714</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Greater than one year but less than five years</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,022,744</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,044,114</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,878,589</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,898,183</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Greater than five years but less than ten years</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">33,076</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">33,580</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">56,895</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">57,585</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Greater than ten years</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">142,338</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">137,078</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">297,664</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">288,633</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,404,190</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,424,444</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,663,128</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,677,115</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>     December 31, 2010      December 31, 2009        AmortizedCost      FairfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSummary Of Available For Sale Debt Securities By Contractual Maturity [Text Block]No authoritative reference available.falsefalseSummary of Available-For-Sale Debt Securities by Contractual Maturity6false0gild_SummaryOfGrossRealizedGainsAndLossesRelatedToMarketableSecuritiesTextBlockgildfalsenadurationSummary Of Gross Realized Gains And Losses Related To Marketable Securitiesfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="69%"> </td> <td valign="bottom" width="5%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="10" align="center">Year Ended December 31,</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2009</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2008</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Gross realized gains on sales</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">13,254</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">10,373</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">28,368</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Gross realized losses on sales</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(3,657</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(1,405</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(18,732</td> <td valign="bottom">) </td></tr></table> </div>     Year Ended December 31,        2010     2009     2008   Gross realized gains onfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSummary Of Gross Realized Gains And Losses Related To Marketable SecuritiesNo authoritative reference available.falsefalseSummary of Gross Realized Gains and Losses Related to Marketable Securities7false0gild_SummaryOfAvailableForSaleDebtSecuritiesThatWereInContinuousUnrealizedLossPositionButWereNotDeemedToBeOtherThanTemporarilyImpairedTextBlockgildfalsenadurationSummary Of Available For Sale Debt Securities That Were In A Continuous Unrealized Loss Position But Were Not Deemed To Be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="42%"> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="2%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center">Less Than 12 Months</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center">12 Months or Greater</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center">Total</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom" rowspan="3"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" rowspan="3" colspan="2" align="center">Gross Unrealized Losses</td> <td valign="bottom" rowspan="3"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" rowspan="3" colspan="2" align="center">Estimated Fair Value</td> <td valign="bottom" rowspan="3"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" rowspan="3" colspan="2" align="center">Gross Unrealized Losses</td> <td valign="bottom" rowspan="3"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" rowspan="3" colspan="2" align="center">Estimated Fair Value</td> <td valign="bottom" rowspan="3"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" rowspan="3" colspan="2" align="center">Gross Unrealized Losses</td> <td valign="bottom" rowspan="3"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" rowspan="3" colspan="2" align="center">Estimated Fair Value</td> <td valign="bottom" rowspan="3"> </td></tr> <tr><td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td></tr> <tr style="font-size: 1px;"><td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> December 31, 2010</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Debt securities:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> U.S. treasury securities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(1,020</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">531,184</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(1,020</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">531,184</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> U.S. government agencies and FDIC guaranteed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(463</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">226,176</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(463</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">226,176</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Municipal debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(21</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4,688</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(21</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4,688</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Non-U.S. government securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(86</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">44,317</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(86</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">44,317</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Corporate debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,762</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">459,412</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,762</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">459,412</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Residential mortgage and asset-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,239</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">197,330</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,239</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">197,330</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Student loan-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(5,129</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">70,771</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(5,129</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">70,771</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(4,591</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,463,107</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(5,129</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">70,771</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(9,720</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,533,878</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> December 31, 2009</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Debt securities:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> U.S. treasury securities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(109</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">97,871</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(109</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">97,871</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> U.S. government agencies and FDIC guaranteed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(944</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">223,901</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(944</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">223,901</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Municipal debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(95</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">65,377</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(95</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">65,377</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Non-U.S. government securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(106</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">30,924</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(106</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">30,924</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Corporate debt securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(503</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">126,410</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(503</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">126,410</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Residential mortgage and asset-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(110</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">36,446</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(110</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">36,446</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Student loan-backed securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(10,577</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">104,823</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(10,577</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">104,823</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(1,867</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">580,929</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(10,577</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">104,823</td> <td valign="bottom">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(12,444</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">685,752</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>     Less Than 12 Months      12 Months orfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSummary Of Available For Sale Debt Securities That Were In A Continuous Unrealized Loss Position But Were Not Deemed To Be Other Than Temporarily ImpairedNo authoritative reference available.falsefalseSummary of Available-For-Sale Debt Securities that were in a Continuous Unrealized Loss Position but were not Deemed to be Other-Than-Temporarily Impaired16Available-For-Sale Securities (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue