CONSOLIDATED STATEMENTS OF ACCUMULATED DEFICIT (USD $) In Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Increase (Decrease) in Retained Earnings
Accumulated deficit, beginning of period	$ (1,887,343)	$ (244,669)	$ (934,511)	$ (245,974)
Net income (loss)	40,862	(207,882)	103,704	(177,063)
Repurchase of common shares	(43,301)		(335,906)
Repurchase of equity component of convertible debt	(125,028)		(779,859)
Employee withholding taxes related to share-based awards			(68,238)
Cash settlement of written call options	(41,592)		(41,592)
Cash dividends declared and dividend equivalents		(15,193)		(44,707)
Accumulated deficit, end of period	$ (2,056,402)	$ (467,744)	$ (2,056,402)	$ (467,744)

Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital.

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