Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Information on the Company's business segments
Consolidated	$ 684,029	$ 708,544	$ 2,183,794	$ 2,157,776
Intersegment sales
Segment profit (loss)	15,750	16,062	77,514	81,821
Restructuring	10,171	6,539	15,758	48,124
Segment assets	2,025,311		2,025,311		2,003,788
North America [Member]
Information on the Company's business segments
Consolidated	363,859	348,507	1,139,273	1,073,655
Intersegment sales	1,646	2,171	5,979	5,372
Segment profit (loss)	32,790	31,850	113,922	131,880
Restructuring	276	1,838	755	4,958
Segment assets	800,456		800,456		752,082
International [Member]
Information on the Company's business segments
Consolidated	320,170	360,037	1,044,521	1,084,121
Intersegment sales	3,577	2,271	10,112	6,322
Segment profit (loss)	(17,040)	(15,788)	(36,408)	(50,059)
Restructuring	9,895	4,701	15,003	43,166
Segment assets	1,010,463		1,010,463		1,020,410
Eliminations and other [Member]
Information on the Company's business segments
Intersegment sales	(5,223)	(4,442)	(16,091)	(11,694)
Segment assets	$ 214,392		$ 214,392		$ 231,296