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Commitments, Contingencies and Other Matters (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Restructuring and other charges
Restructuring charges	$ 2,014	$ 2,077
Personnel severance and related costs
Restructuring and other charges
Restructuring charges	1,642	1,705
Number of employees impacted	23
Equity Compensation Costs
Restructuring and other charges
Restructuring charges	220	220
Other associated costs
Restructuring and other charges
Restructuring charges	$ 152	$ 152

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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