Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

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Restructuring Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Facility Consolidation Costs [Member]	Jun. 30, 2012 Facility Consolidation Costs [Member]	Mar. 31, 2012 Facility Consolidation Costs [Member]	Sep. 30, 2012 Facility Consolidation Costs [Member]	Dec. 31, 2011 Facility Consolidation Costs [Member]	Dec. 31, 2010 Facility Consolidation Costs [Member]
Restructuring plan related to discontinued operations
Restructuring reserve, Beginning Balance			$ 396		$ 208	$ 287	$ 366	$ 366		$ 0
Accrued and expensed										835
Charged against accrual	11	20	27	2,940	(73)	(91)	(94)		(447)
Adjustments and revisions					6	12	15		(125)	103
Restructuring reserve, Ending Balance	72		72		141	208	287	141	366	938
Restructuring reserve
Current portion								131
Long-term portion								10
Restructuring reserve	$ 72		$ 72		$ 141	$ 208	$ 287	$ 141	$ 366	$ 938