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Spin-Off Transaction (Details) (Spinoff [Member], Selling, General and Administrative Expenses [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Spinoff [Member] \| Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 11.0

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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