Share-Based Compensation (Share-Based Compensation Arrangement Expenses Recognized) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Salaries, wages and employee benefits	$ 5,505	$ 1,542	$ 16,699	$ 11,371
Deferred income tax benefit	(2,144)	(596)	(6,501)	(4,414)
Net share-based compensation expense	$ 3,361	$ 946	$ 10,198	$ 6,957

Employee Service Share Based Compensation Deferred Tax Benefit From Compensation Expense

No definition available.

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