Supplemental Information (Components of Other Operating Expense (Income), Net, and Supplemental Cash Flow Information) (Details) (USD $) In Thousands	3 Months Ended				6 Months Ended				12 Months Ended		30 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010		Dec. 31, 2010	Dec. 31, 2009	Jun. 30, 2011
Supplemental Information
Foreign currency transaction loss (gain), net	$ 1,344		$ 373		$ 2,589		$ (628)
Restructuring charges, net	2,983	[1]	1,342	[1]	3,963	[1]	2,696	[1]	2,196	46,126	52,285
Other, net	1,760		1,553		1,147		(151)
Total other operating expense, net	6,087		3,268		7,699		1,917
Cash taxes paid					46,233		25,381
Interest paid					$ 9,544		$ 11,329

[1] See Note 2 "Restructuring."