Restructuring Activity (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) facilities	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) facilities	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Restructuring Cost (Gain) and Reserve [Line Items]
Original Estimated Facility Closures, 2015 restructuring plan | facilities	10		10
Severance Costs	$ 5,672
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments			$ (3,080)	$ 0
Multiemployer Plans, Withdrawal Obligation	5,500		5,500
Restructuring Costs (Gains)			38,784
Restructuring activity, net	15,618	$ 907	16,449	1,646
Restructuring Reserve	$ 14,178		$ 14,178		$ 636
Revised Estimated Facility Consolidations, 2015 Restructuring Plan | facilities	7		7
Employee Termination and Related Benefits [Member]
Restructuring Cost (Gain) and Reserve [Line Items]
Restructuring Costs (Gains)	$ 14,252	870	$ 14,252	870
Restructuring Reserve, Current	13,744		13,744
Restructuring Reserve	13,744		13,744		0
Moving Costs Associated with Plant Consolidations [Member]
Restructuring Cost (Gain) and Reserve [Line Items]
Restructuring Costs (Gains)	601	37	601	776
Restructuring Reserve	0		0		0
Lease Termination Costs [Member]
Restructuring Cost (Gain) and Reserve [Line Items]
Restructuring Costs (Gains)			0
Restructuring Reserve, Current	388		388
Restructuring Reserve	434		434		636
Restructuring Reserve, Noncurrent	46		46
Professional Fees [Member]
Restructuring Cost (Gain) and Reserve [Line Items]
Restructuring Costs (Gains)	765	$ 0	1,596	$ 0
Restructuring Reserve	0		0		0
Inventory Write-off [Member]
Restructuring Cost (Gain) and Reserve [Line Items]
Restructuring Costs (Gains)			22,335
Restructuring Reserve	$ 0		$ 0		$ 0