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Subsequent Events (Details Textual) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Subsequent Event [Member]
Subsequent Event [Line Items]
Restructuring Charges	$ 1.1

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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