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Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2014	Dec. 31, 2013
Basis of Presentation [Abstract]
Income Tax Reconciliation, Change in Enacted Tax Rate	$ 0.9
Allowance for doubtful accounts		$ 3.0	$ 3.1

The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to changes in the income tax rates under enacted tax laws in the period.

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