Restructuring Activity Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	$ (2,923,000)	$ 0	$ 0
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	(3,915,000)	0	0
Restructuring Reserve		636,000	1,050,000	$ 0
Restructuring Costs and Asset Impairment Charges	(34,664,000)	2,960,000	(10,239,000)
Non-cash write-down of Inventory	53,971,000	0	0
Restructuring charges - additional to be incurred	8,533,000
Multiemployer Plans, Withdrawal Obligation	5,500,000		720,000
2015 Restructuring Plan [Domain]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, costs incurred to date	50,627,000
Inventory Valuation Reserve [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0	0	0	0
Restructuring Costs and Asset Impairment Charges	(25,656,000)		(1,236,000)
One-time Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	8,301,000	0	129,000	0
Restructuring Costs and Asset Impairment Charges	(17,012,000)	(937,000)	(2,702,000)
Restructuring Reserve, Current	2,801,000
Restructuring Reserve, Noncurrent	5,500,000
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	232,000	636,000	921,000	$ 0
Restructuring Costs and Asset Impairment Charges	(444,000)	(186,000)	(1,448,000)
Restructuring Reserve, Current	232,000
Pension Plans
Restructuring Cost and Reserve [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	(2,923,000)	0	0
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	$ (3,915,000)	$ 0	$ 0