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Restructuring Expense (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restructuring activities
Lease restructuring liability at beginning of period	$ 25,473	$ 28,814	$ 26,313	$ 29,595
Cash payments	(3,725)	(3,737)	(7,411)	(7,473)
Cash received from subleases	2,488	2,387	4,974	4,582
Restructuring expense	594	741	954	1,501
Lease restructuring liability at end of period	$ 24,830	$ 28,205	$ 24,830	$ 28,205

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

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