Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Restructuring Restructuring Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Reserve [Roll Forward]
Beginning balance, January 1, 2013			$ 641
Restructuring charges	69	0	891	14
Cash payments			(943)
Ending balance, September 30, 2013	589		589
Current portion of accrued restructuring included in other current liabilities	299		299
Long-term portion of accrued restructuring included in other liabilities	290		290
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Beginning balance, January 1, 2013			517
Restructuring charges			0
Cash payments			(122)
Ending balance, September 30, 2013	395		395
Current portion of accrued restructuring included in other current liabilities	105		105
Long-term portion of accrued restructuring included in other liabilities	290		290
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance, January 1, 2013			124
Restructuring charges			891
Cash payments			(821)
Ending balance, September 30, 2013	194		194
Current portion of accrued restructuring included in other current liabilities	194		194
Long-term portion of accrued restructuring included in other liabilities	$ 0		$ 0