Quarterly report pursuant to Section 13 or 15(d)

Share Based Compensation (Expense) (Details 1)

v2.4.0.6
Share Based Compensation (Expense) (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Share based compensation expense and related tax benefit        
Share-based compensation expense $ 7,138 $ 6,463 $ 19,958 $ 13,986
Tax (expense) benefit $ 2,366 $ 2,182 $ 6,627 $ 4,815