Nature Of Operations And Significant Accounting Policies (Classification Of Accumulated Other Comprehensive Income (Loss) Reflected On Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Accounting Policies [Abstract]
Currency translation adjustment	$ 69,729		$ 64,910		$ 77,183
Cumulative changes in pension and postretirement plan assets and obligation, net of tax	(197,806)		(158,422)		(65,665)
Accumulated other comprehensive (loss) income	(128,077)	[1]	(93,512)	[1]	11,518	[1]
Tax benefit	$ (89,540)		$ (76,179)		$ (32,091)

[1] Net of tax benefit of $89,540, $76,179, and $32,091 for 2012, 2011, and 2010, respectively.