Restructuring Restructuring Additional Information (Details) - Type of Restructuring [Domain] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		15 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Inventory Write-down			$ 1,100
Restructuring Reserve, Current	$ 20,600		20,600		$ 49,100
Restructuring Reserve, Noncurrent	19,800		19,800		13,800
Restructuring Charges	$ (4,234)	$ (7,793)	(9,681)	$ (2,269)
2014 Project [Member]
Restructuring Cost and Reserve [Line Items]
Change in Total Expected Restructuring Costs			11,300
Restructuring Charges			$ (9,681)
2013 Project [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges					$ 26,200