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Restructuring Charges (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Restructuring Charges (Textual) [Line Items]
Restructuring charges	$ 0.5	$ 2.6
Expected future restructuring charges	21.8
Charges Incurred to Date	21.1
Regional Distribution Network [Member]
Restructuring Charges (Textual) [Line Items]
Restructuring charges	0.2
Expected future restructuring charges	0.6
Charges Incurred to Date	$ 6.5

Amount of costs incurred to date for the specified type of restructuring cost.

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- Definition

Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

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- Definition

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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