Other Comprehensive Income (Components of Other Comprehensive Income) (Details) (USD $) In Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Other Comprehensive Income
Net income/(loss)	$ 22,304	$ (84,336)	$ 57,118	$ (39,487)
Unrealized gains on available-for-sale securities, net of tax	(3,393)	517	3,245	7,472
Unrealized losses in cash flow hedging instruments, net of tax	(8,513)	(2,478)	(10,105)	(8,875)
Foreign currency translation adjustment, net of tax	(2,283)	8,690	(1,277)	8,690
Other comprehensive income (loss)	(14,189)	6,729	(8,137)	7,287
Comprehensive income	$ 8,115	$ (77,607)	$ 48,981	$ (32,200)

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Gross appreciation or the gross loss in value of the total unsold securities. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.

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This element represents Other Comprehensive Income or Loss, Net of Tax, for the period attributable to the parent entity. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment.

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