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Long-Term Debt (Equity Component Of Senior Convertible Debentures) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Long-Term Debt [Abstract]
Debt discount on issuance	$ 107,261	$ 107,261
Less: Issuance costs	2,249	2,249
Deferred income tax	36,772	36,772
Carrying amount of equity component	$ 68,240	$ 68,240

The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the methods used to account for deferred financing costs for tax purposes and under generally accepted accounting principles which will increase future taxable income when such difference reverses.

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