Income Taxes (Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current, Federal	$ 281,938	$ 191,006	$ 135,232
Current, State	23,701	4,221	12,177
Current, Foreign	22,093	13,189	5,776
Total Current	327,732	208,416	153,185
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred, Federal	51,509	121,934	104,723
Deferred, State	(1,471)	7,697	(12,201)
Deferred, Foreign	2,542	(460)	(1,121)
Total, Deferred	52,580	129,171	91,401
Total Current and Deferred	$ 380,312	$ 337,587	$ 244,586