Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost [Line Items]
Restructuring charges			$ 3,960
Completion period			15 months
Facility Consolidation Costs [Member]
Restructuring Cost [Line Items]
Restructuring charges	1,448	1,124	3,754	4,352
Termination of Product Offering [Member]
Restructuring Cost [Line Items]
Restructuring charges	0	2,137	0	2,137
Administrative Consolidation Costs [Member]
Restructuring Cost [Line Items]
Restructuring charges	648	3,133	1,855	6,303
Management Restructuring Costs [Member]
Restructuring Cost [Line Items]
Restructuring charges	11,022	0	11,022	0
Cost of Sales [Member]
Restructuring Cost [Line Items]
Restructuring charges	1,448	3,261	3,754	6,489
Other Expense [Member]
Restructuring Cost [Line Items]
Restructuring charges	$ 11,670	$ 3,133	$ 12,877	$ 6,303