Quarterly report pursuant to Section 13 or 15(d)

Share Based Compensation (Details 1)

 v2.3.0.11
Share Based Compensation (Details 1) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Share based compensation expense and related tax benefit        
Share-based compensation expense $ 3,898 $ 3,676 $ 7,523 $ 6,609
Tax (expense) benefit $ 1,364 $ 1,287 $ 2,633 $ 2,313