Annual report pursuant to Section 13 and 15(d)

Equity - Based Compensation (Details 1)

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Equity - Based Compensation (Details 1) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Non-cash compensation expense and related tax benefits      
Non-cash compensation expense related to restricted stock $ 21,618 $ 22,125 $ 17,415
Non-cash compensation expense related to stock options   923 2,460
Total stock-based compensation included in selling, general and administrative expenses 21,618 23,048 19,875
Actual tax (expense) for the tax deductions from vested restricted stock (1,160) (2,089) (1,567)
Actual tax benefit (expense) for the tax deductions from options exercised (205) (29) 354
Actual tax (expense) related to stock-based compensation expense (1,365) (2,118) (1,213)
Income tax benefit related to non-cash compensation expense 8,431 8,989 7,751
Total tax benefit related to stock-based compensation expense $ 7,066 $ 6,871 $ 6,538