Valuation and Qualifying Accounts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Doubtful Accounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 0.8	$ 0.8	$ 1.8
Additions, Charged to Expenses	1.5	0.3	(0.7)
Additions, Acquired	0	0	0
Deductions, Amounts Written Off	(0.2)	(0.3)	(0.2)
Foreign Exchange	(0.2)	0	(0.1)
Ending Balance	1.9	0.8	0.8
Allowance for Cash Discounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning Balance	5.1	4.9	4.0
Additions, Charged to Expenses	66.9	65.2	57.7
Additions, Acquired	0	0	0.7
Deductions, Amounts Written Off	(67.0)	(65.1)	(57.4)
Foreign Exchange	0.2	0.1	(0.1)
Ending Balance	5.2	5.1	4.9
Sales Returns and Allowances
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning Balance	11.6	17.5	10.1
Additions, Charged to Expenses	58.6	49.5	51.7
Additions, Acquired	0	0	0.7
Deductions, Amounts Written Off	(58.1)	(55.2)	(44.9)
Foreign Exchange	(0.2)	(0.2)	(0.1)
Ending Balance	$ 11.9	$ 11.6	$ 17.5

Total of the adjustments in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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