XML 59 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation (Compensation Expense For Restricted Stock Recognized In Condensed Consolidated Statements Of Income) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Stock-Based Compensation [Abstract]    
Impact on income before income taxes $ (2,594) $ (1,750)
Income tax benefit 1,009 681
Impact on net income $ (1,585) $ (1,069)