Changes In Equity And Comprehensive Income (Classification Of Accumulated Other Comprehensive Income Reflected On Consolidated Balance Sheets) (Details) (USD $) In Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2011		Dec. 31, 2010
Changes In Equity And Comprehensive Income [Abstract]
Currency translation adjustment	$ 65,816		$ 77,183
Changes in pension and postretirement plan assets and benefit obligation, net of tax benefit	(62,137)	[1]	(65,665)	[1]
Accumulated other comprehensive income	3,679		11,518
Tax benefit from changes in pension and postretirement plan assets and benefit obligation	$ 30,505		$ 32,091

[1] Net of tax benefit of $30,505 and $32,091 for September 30, 2011 and December 31, 2010, respectively.