Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION, Stock-Based Compensation Expense (Details)

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STOCK-BASED COMPENSATION, Stock-Based Compensation Expense (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 3 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2011
Selling, general, and administrative expenses [Member]
Dec. 31, 2010
Selling, general, and administrative expenses [Member]
Dec. 31, 2009
Selling, general, and administrative expenses [Member]
Mar. 31, 2011
Selling, general, and administrative expenses [Member]
Front Line [Member]
Dec. 31, 2010
Selling, general, and administrative expenses [Member]
Front Line [Member]
Dec. 31, 2011
Corporate expenses [Member]
Dec. 31, 2010
Corporate expenses [Member]
Dec. 31, 2009
Corporate expenses [Member]
Dec. 31, 2011
Stock Options [Member]
Stock-based compensation, aggregate disclosures [Abstract]                        
Maximum term of award (in years)                       10Y
Vesting period, minimum (in years)                       1Y
Vesting period, maximum (in years)                       5Y
Stock-based compensation expense [Abstract]                        
Total stock-based compensation expense $ 60,645 $ 61,607 $ 12,497 $ 40,496 $ 34,509 $ 4,696 $ 24,400 $ 9,800 $ 20,149 $ 27,098 $ 7,801