Restructuring Costs Restructuring Costs (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 16,383	$ 25,832	$ 2,000
Cost of Goods Sold
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	591	1,689	0
Selling General and Administrative Expense
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	16,383	25,832	2,000	1,000	4,100	3,500	8,400
Total COGS and SGA
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 16,974	$ 27,521	$ 2,000					$ 27,521