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The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect, for the period as if the business combination or combinations had been completed at the beginning of a period.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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Business Acquisitions - Pro Forma Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended			0 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Income (loss) from continuing operations	$ 18.4	$ 23.1	$ 25.0	$ 23.2	$ (11.2)	$ 29.6	$ 29.4	$ 30.7	$ 89.7	$ 78.5	$ 104.1
DelStar [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net Sales, Actual												0.2
Net Sales, Pro Forma									823.6	0
(Loss) Income from Continuing Operations, Actual												(0.4)
(Loss) Income from Continuing Operations, Pro Forma									92.4	86.4
DelStar [Member] \| Acquisition-related Costs [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Income (loss) from continuing operations									$ (1.3)