Cost Savings Initiatives and Other Restructuring Costs, Acquisition and Integration Activities and Legal Settlements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Costs incurred and cash expenditures
Beginning Balance				$ 38,379				$ 19,377	$ 38,379	$ 19,377	$ 3,646
Charge	201	53	25	5,391	14,282	9,845	21,246	3,765	5,670	49,138	46,003
Cash Expenditure									(40,994)	(28,335)	(29,000)
Non-cash expenditures									(359)	(1,801)	(1,272)
Ending Balance	2,696				38,379				2,696	38,379	19,377
Cost Savings and Other Restructuring [Member]
Costs incurred and cash expenditures
Beginning Balance				8,671				2,893	8,671	2,893	646
Charge									1,701	15,259	6,269
Cash Expenditure									(8,544)	(7,680)	(3,445)
Non-cash expenditures									(143)	(1,801)	(577)
Ending Balance	1,685				8,671				1,685	8,671	2,893
Acquisition & Integration [Member]
Costs incurred and cash expenditures
Beginning Balance				3,708				3,984	3,708	3,984	0
Charge									(989)	7,879	26,040
Cash Expenditure									(1,492)	(8,155)	(19,561)
Non-cash expenditures									(216)	0	(2,495)
Ending Balance	1,011				3,708				1,011	3,708	3,984
Legal Settlements [Member]
Costs incurred and cash expenditures
Beginning Balance				26,000				12,500	26,000	12,500	3,000
Charge									4,958	26,000	13,694
Cash Expenditure									(30,958)	(12,500)	(5,994)
Non-cash expenditures									0	0	1,800
Ending Balance	$ 0				$ 26,000				$ 0	$ 26,000	$ 12,500