Income Taxes (Income Tax Expense (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Document Fiscal Year Focus	2013
Current income taxes: U.S. federal	$ 84,686	$ 26,204	$ 13,957
Current income taxes: State and local	9,774	4,583	5,118
Current income taxes: Foreign	46,450	13,775	7,190
Total current income taxes	140,910	44,562	26,265
Deferred income taxes: U.S. federal	5,280	31,106	8,994
Deferred income taxes: State and local	(5,720)	4,704	(3,488)
Deferred income taxes: Foreign	(62,085)	(26,773)	(10,122)
Total deferred income taxes	(62,525)	9,037	(4,616)
Income tax expense (benefit)	$ 78,385	$ 53,599	$ 21,649