Income Taxes (Schedule Of Components Of Income Tax Expense (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Federal, Current	$ 96,725	$ (72,518)	$ 42,636
Federal, Deferred	28,138	82,471	(87,773)
Current and deferred Federal income tax provision (benefit)	124,863	9,953	(45,137)
State and Puerto Rico, Current	8,111	4,295	11,931
State and Puerto Rico, Deferred	1,819	(3,629)	(6,616)
Current and deferred State and Puerto Rico income tax provision (benefit)	9,930	666	5,315
Foreign, Current	68,605	67,338	79,590
Foreign, Deferred	(87,565)	(67,555)	(60,541)
Current and deferred foreign income tax expense benefit	(18,960)	(217)	19,049
Income tax provision (benefit)	115,833	10,402	(20,773)
Earnings (loss) before income taxes and noncontrolling interest
Domestic	537,009	(273,699)	(491,810)
Foreign	117,627	629,643	718,785
Earnings before income taxes and noncontrolling interest	$ 654,636	$ 355,944	$ 226,975