Quarterly report pursuant to Section 13 or 15(d)

Share Based Compensation (Expense) (Details 1)

v2.4.0.8
Share Based Compensation (Expense) (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Share based compensation expense and related tax benefit        
Share-based compensation expense $ 9,875 $ 7,517 $ 17,896 $ 12,820
Tax (expense) benefit $ 3,349 $ 2,501 $ 6,033 $ 4,261