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Restructuring (Restructuring Accrual) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Restructuring accrual
Restructuring accrual, beginning balance	$ 4,120
Expenses incurred	2,126
Payments made	(2,747)
Restructuring accrual, ending balance	$ 3,499

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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