Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 200,608	$ (133,312)	$ 117,868
Foreign	168,894	226,110	176,116
State and local	14,779	(7,804)	27,143
Total current	384,281	84,994	321,127
Deferred:
Federal	(29,873)	87,723	(13,039)
Foreign	2,054	(16,645)	(883)
State and local	(1,889)	6,366	(3,476)
Total deferred	(29,708)	77,444	(17,398)
Total income tax expense	$ 354,573	$ 162,438	$ 303,729