Restructuring Restructuring Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		15 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	$ 21,600			$ 25,200
Restructuring Reserve, Noncurrent	3,900			$ 4,400
Restructuring Charges	2,237	$ (5,181)
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1,114
2014 Project [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	2,237
2014 Project [Member] | Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 1,114
2013 Project [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 26,200