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2.2.0.25falsefalse30203 - Disclosure - Fair Value Measurements (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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseFair Value Measurements3false0us-gaap_FairValueMeasurementInputsDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="40%"> </td> <td valign="bottom" width="1%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="1%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="1%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="1%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="1%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="1%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="1%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="1%"> </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="14" align="center">December 31, 2010</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="14" 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">Level 1</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Level 2</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Level 3</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Total</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Level 1</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Level 2</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Level 3</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Total</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Assets:</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> <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> <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">1,355,437</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">$</td> <td valign="bottom" align="right">1,355,437</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">289,790</td> <td valign="bottom">  </td> <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">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">—  </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> <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">1,296,110</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">1,086,082</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">1,086,082</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">—  </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> <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">17,625</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">433,474</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">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">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">278,610</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">9,594</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> <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">75,524</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">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">—  </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> <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">1,119,254</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">566,176</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">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">—  </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> <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">277,043</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">120,407</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">839</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">—  </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">70,771</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">—  </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">104,823</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> <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">1,355,437</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,988,642</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">80,365</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">289,790</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,281,663</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">105,662</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">4,631</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">4,631</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> <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">3,470</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Derivatives</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">64,461</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">64,461</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">26,198</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">26,198</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> <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"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,360,068</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3,053,103</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">80,365</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,493,536</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">293,260</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,307,861</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">105,662</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,706,783</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> <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 valign="top"> Liabilities:</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> <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"> Contingent consideration</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">11,100</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11,100</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">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Derivatives</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">38,553</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">38,553</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">47,688</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">47,688</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> </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">$</td> <td valign="bottom" align="right">38,553</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">11,100</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">49,653</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">47,688</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">47,688</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> <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       Level 1     Level 2     LevelfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThis element represents the disclosure related to the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 falsefalseSummary of Assets and Liabilities Recorded at Fair Value and Classification by Level of Input4false0us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="77%"> </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></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" 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></tr> <tr bgcolor="#cceeff"><td valign="top"> Balance, beginning of period</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">105,662</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">102,633</td> <td valign="bottom">  </td></tr> <tr><td valign="top"> Total realized and unrealized gains (losses) included in:</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"> Interest and other income, net</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">115</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(29</td> <td valign="bottom">) </td></tr> <tr><td valign="top"> Other comprehensive income, net</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5,026</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">10,332</td> <td valign="bottom">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Sales of marketable securities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(40,032</td> <td valign="bottom">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(7,274</td> <td valign="bottom">) </td></tr> <tr><td valign="top"> Transfers into Level 3</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">9,594</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </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 bgcolor="#cceeff"><td valign="top"> Balance, end of period</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">80,365</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">105,662</td> <td valign="bottom">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total losses included in interest and other income, net attributable to the change in unrealized losses relating to assets still held at the reporting date</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(29</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>     Year Ended December 31,        2010     2009   Balance, beginning offalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThis element represents, for the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (net); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c falsefalseReconciliation of Marketable Securities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)13Fair Value Measurements (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue