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Restructuring (Summary Of Restructuring Activity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Restructuring [Abstract]
Balance, beginning of period	$ 14,865	$ 18,046
Cash payments for rent obligations	(4,423)	(4,554)
Adjustment of prior restructuring costs	(464)	1,373
Balance, end of period	$ 9,978	$ 14,865

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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