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CONSOLIDATED SUPPLEMENTARY FINANCIAL DATA Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Quarterly Financial Data [Abstract]
Impairment of goodwill and long-lived assets		$ 35,500	$ 35,471	$ 0	$ 0
Restructuring charges	$ 700	$ 6,600	$ 7,301	$ 0	$ 0

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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