Nature Of Operations And Significant Accounting Policies (Classification Of Accumulated Other Comprehensive Income (Loss) Reflected On Consolidated Balance Sheets) (Details) old (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Nature Of Operations And Significant Accounting Policies [Abstract]
Currency translation adjustment	$ 64,910		$ 77,183		$ 87,400
Cumulative changes in pension and postretirement plan assets and obligation, net of tax benefit	(158,422)	[1]	(65,665)	[1]	(82,270)	[1]
Accumulated other comprehensive (loss) income	(93,512)		11,518		5,130
Tax benefit	$ 76,179		$ 32,091		$ 38,711

[1] Net of tax benefit of $76,179, $32,091, and $38,711 for 2011, 2010, and 2009, respectively.