v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Statement of Financial Position [Abstract]    
Receivables, allowance for doubtful accounts $ 820 $ 924
Property and Equipment, accumulated depreciation 191,976 182,453
Capitalized Software, accumulated amortization $ 131,631 $ 117,100
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 750,000 750,000
Common stock, shares issued 173,374 176,506
Common stock, shares outstanding 173,374 176,506