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Restructuring (Restructuring Accrual Roll Forward) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Balance at January 1, 2011	$ 1,275
Payments	(1,267)
Reversal of previous charges	0
Balance at December 31, 2011	32
Employee Severance And Related Costs [Member]
Period accrual	24
Non-Cancelable Lease Costs [Member]
Period accrual	$ 0

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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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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