Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation Of Income Tax Provision) (Details)

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Income Taxes (Reconciliation Of Income Tax Provision) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income Taxes [Abstract]      
Income tax provision at the federal statutory rate of 35% $ (70,162) $ (57,261) $ (42,250)
State income taxes, net of effect of federal tax benefit (6,052) (6,238) (4,382)
Other, net (1,122) (1,542) (1,504)
Income tax provision $ (77,336) $ (65,041) $ (48,136)
Federal statutory rate 35.00% 35.00% 35.00%