Restructuring Activity Roll Forward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Restructuring Reserve [Roll Forward]
Beginning Restructuring Reserve				$ 1,050
Restructuring Charges	907		6,072	1,646		9,054
Restructuring Reserve, Settled with Cash				(1,589)
Ending Restructuring Reserve	1,107			1,107
Moving Costs Associated with Plant Consolidations [Member]
Restructuring Reserve [Roll Forward]
Beginning Restructuring Reserve				0
Restructuring Charges	37		2,674	776		3,459
Restructuring Reserve, Settled with Cash				(776)
Ending Restructuring Reserve	0			0
Employee Termination and Related Benefits [Member]
Restructuring Reserve [Roll Forward]
Beginning Restructuring Reserve				129
Restructuring Charges	870		816	870		2,214
Restructuring Reserve, Settled with Cash				(599)
Ending Restructuring Reserve	400			400
Lease Termination Costs [Member]
Restructuring Reserve [Roll Forward]
Beginning Restructuring Reserve				921
Restructuring Charges	0		1,830	0		1,830
Restructuring Reserve, Settled with Cash				(214)
Ending Restructuring Reserve	707	[1]		707	[1]
Accrued Liabilities [Member]
Restructuring Reserve [Roll Forward]
Ending Restructuring Reserve	465			465
Other Noncurrent Liabilities [Member]
Restructuring Reserve [Roll Forward]
Ending Restructuring Reserve	$ 242			$ 242

[1] Payments on certain of the lease obligations are scheduled to continue until 2016. Market conditions and the Company’s ability to sublease these properties could affect the ultimate charge related to the lease obligations. Any potential recoveries or additional charges could affect amounts reported in the consolidated financial statements of future periods. As of June 30, 2014, the short-term portion of the lease termination costs in the restructuring liability of $465 is included in accrued liabilities and the long-term portion of $242 is included in other non-current liabilities in the Consolidated Balance Sheet.