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Restructuring Liability (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring activities
Liability, beginning of the period		$ 24,830	$ 22,459	$ 25,473
Cash payments	(3,849)	(3,725)	(7,422)	(7,411)
Cash received from subleases	2,666	2,488	5,331	4,974
Restructuring expense	$ 776	$ 594	$ 815	$ 954

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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