Changes In Equity And Comprehensive Income (Classification Of Accumulated Other Comprehensive Income Reflected On Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2012		Dec. 31, 2011
Changes In Equity And Comprehensive Income [Abstract]
Currency translation adjustment	$ 84,272		$ 64,910
Changes in pension and postretirement plan assets and benefit obligation, net of tax benefit	(154,993)	[1]	(158,422)	[1]
Accumulated other comprehensive loss	(70,721)		(93,512)
Tax benefit from changes in pension and postretirement plan assets and benefit obligation	$ 74,744		$ 76,179

[1] Net of tax benefit of $74,744 and $76,179 for March 31, 2012 and December 31, 2011, respectively.