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Restructuring, Impairment and Other Charges - Restructuring Reserve Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring and Related Activities [Abstract]
Restructuring Reserve, beginning of period			$ 10,136
Liabilities incurred	2,462	1,437	4,902	17,723
Liabilities paid			(5,347)
Restructuring Reserve, end of period	$ 9,691		$ 9,691

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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