Cost Savings Initiatives and Other Restructuring Costs, Acquisition and Integration Activities and Legal Settlements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Sep. 30, 2013	Sep. 30, 2012
Costs incurred and cash expenditures
Beginning Balance	$ 1,236	$ 1,411	$ 2,696	$ 5,361	$ 13,333	$ 38,379	$ 2,696	$ 38,379
Restructuring charges	1,699	744	141	53	25	5,391	2,600	5,469
Cash Expenditure	(523)	(919)	(1,426)	(1,609)	(7,883)	(30,240)
Non-cash Expenditures				(4)	(114)	(197)
Restructuring Reserve, Accrual Adjustment	0
Ending Balance	2,412	1,236	1,411	3,801	5,361	13,333	2,412	3,801
Cost Savings and Other Restructuring [Member]
Costs incurred and cash expenditures
Beginning Balance	81	628	1,685	3,971	6,005	8,671	1,685	8,671
Restructuring charges	77	138	47	98	542	842	300	1,500
Cash Expenditure	(240)	(685)	(1,104)	(1,466)	(2,462)	(3,527)
Non-cash Expenditures				(4)	(114)	19
Restructuring Reserve, Accrual Adjustment	476
Ending Balance	394	81	628	2,599	3,971	6,005	394	2,599
Acquisition & Integration [Member]
Costs incurred and cash expenditures
Beginning Balance	1,155	783	1,011	1,390	2,328	3,708	1,011	3,708
Restructuring charges	1,622	606	94	(45)	(517)	(409)	2,322	(1,000)
Cash Expenditure	(283)	(234)	(322)	(143)	(421)	(755)
Non-cash Expenditures				0	0	(216)
Restructuring Reserve, Accrual Adjustment	(476)
Ending Balance	2,018	1,155	783	1,202	1,390	2,328	2,018	1,202
Legal Settlements [Member]
Costs incurred and cash expenditures
Beginning Balance	0	0	0	0	5,000	26,000	0	26,000
Restructuring charges	0	0	0	0	0	4,958		5,000
Cash Expenditure	0	0	0	0	(5,000)	(25,958)
Non-cash Expenditures				0	0	0
Restructuring Reserve, Accrual Adjustment	0
Ending Balance	$ 0	$ 0	$ 0	$ 0	$ 0	$ 5,000	$ 0	$ 0