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Restructuring Charges Restructuring Charges (textuals) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring Charges [Abstract]
Restructuring and Related Cost, Expected Cost Minimum			$ 20,000,000
Restructuring and Related Cost, Expected Cost Maximum			25,000,000
Restructuring Charges	$ 3,118,000	$ 362,000	$ 11,261,000	$ 2,831,000

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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