2.2.0.25falsefalse40905 - Disclosure - Intangible Assets (Schedule of Estimated Future Amortization Expense) (Details)truefalseIn Thousandsfalse1falsefalseUSDfalsefalse1/1/2010 - 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$2true0gild_GoodwillAndIntangibleAssetsAbstractgildfalsenadurationGoodwill And Intangible Assetsfalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringGoodwill And Intangible Assetsfalsefalse3false0us-gaap_FutureAmortizationExpenseYearOneus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse6932400069324falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
falsefalse4false0us-gaap_FutureAmortizationExpenseYearTwous-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse7577600075776falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the second twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
falsefalse5false0us-gaap_FutureAmortizationExpenseYearThreeus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse8208600082086falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the third twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
falsefalse6false0us-gaap_FutureAmortizationExpenseYearFourus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse9094000090940falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the fourth twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
falsefalse7false0us-gaap_FutureAmortizationExpenseYearFiveus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse100647000100647falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the fifth twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
falsefalse8false0us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse418773000418773falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate estimated amortization expense for each of the five succeeding fiscal years for intangible assets subject to amortization.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
truefalse17Intangible Assets (Schedule of Estimated Future Amortization Expense) (Details) (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue
