Restructuring Charges Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended					12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2013		Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						$ (7,784)
Asset Impairment Charges						(1,405)
Restructuring Reserve	1,050	[1]				1,050	[1]	0
Restructuring and Related Cost, Cost Incurred to Date						10,239
Restructuring Charges	300		885	6,072	2,982	10,239	[2]
Restructuring and Related Cost, Expected Cost						12,400
Restructuring Plan 1 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						(7,472)
Asset Impairment Charges						(1,405)
Restructuring Reserve	921					921		0
Restructuring and Related Cost, Cost Incurred to Date						9,798
Restructuring Charges						9,798	[2]
Restructuring and Related Cost, Expected Cost						10,000
Restructuring Plan 2 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						(312)
Asset Impairment Charges						0
Restructuring Reserve	129					129		0
Restructuring and Related Cost, Cost Incurred to Date						441
Restructuring Charges						441	[2]
Restructuring and Related Cost, Expected Cost						2,400
One-time Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges						2,702
One-time Termination Benefits [Member] | Restructuring Plan 1 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						(2,573)
Asset Impairment Charges						0
Restructuring Reserve	0					0		0
Restructuring and Related Cost, Cost Incurred to Date						2,573
Restructuring Charges						2,573	[2]
Restructuring and Related Cost, Expected Cost						2,200
One-time Termination Benefits [Member] | Restructuring Plan 2 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						0
Asset Impairment Charges						0
Restructuring Reserve	129					129		0
Restructuring and Related Cost, Cost Incurred to Date						129
Restructuring Charges						129	[2]
Restructuring and Related Cost, Expected Cost						130
Contract Termination
Restructuring Cost and Reserve [Line Items]
Restructuring Charges						1,448
Contract Termination | Restructuring Plan 1 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						(527)
Asset Impairment Charges						0
Restructuring Reserve	921	[1]				921	[1]	0
Restructuring and Related Cost, Cost Incurred to Date						1,448
Restructuring Charges						1,448	[2]
Restructuring and Related Cost, Expected Cost						1,800
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges						4,487
Facility Closing [Member] | Restructuring Plan 1 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						(4,006)
Asset Impairment Charges						(169)
Restructuring Reserve	0					0		0
Restructuring and Related Cost, Cost Incurred to Date						4,175
Restructuring Charges						4,175	[2]
Restructuring and Related Cost, Expected Cost						3,500
Facility Closing [Member] | Restructuring Plan 2 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						(312)
Asset Impairment Charges						0
Restructuring Reserve	0					0		0
Restructuring and Related Cost, Cost Incurred to Date						312
Restructuring Charges						312	[2]
Restructuring and Related Cost, Expected Cost						2,270
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges						366
Other Restructuring [Member] | Restructuring Plan 1 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						(366)
Asset Impairment Charges						0
Restructuring Reserve	0					0		0
Restructuring and Related Cost, Cost Incurred to Date						366
Restructuring Charges						366	[2]
Restructuring and Related Cost, Expected Cost						1,250
Inventory Valuation and Obsolescence [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges						1,236
Inventory Valuation and Obsolescence [Member] | Restructuring Plan 1 [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring						0
Asset Impairment Charges						(1,236)
Restructuring Reserve	0					0		0
Restructuring and Related Cost, Cost Incurred to Date						1,236
Restructuring Charges						1,236	[2]
Restructuring and Related Cost, Expected Cost						1,250
Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	595					595
Other Noncurrent Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 455					$ 455

[1] (b) 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 December 31, 2013, the short-term portion of the restructuring liability of $595 is included in accrued liabilities and the long-term portion of $455 is included in other non-current liabilities in the Consolidated Balance Sheet.

[2] (a) Costs associated with the write-off of inventory are included in cost of materials in the consolidated statements of operations and comprehensive loss. All other costs are recorded to the restructuring charges line item within the consolidated statements of operations and comprehensive loss as they are incurred.