Valuation And Qualifying Accounts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Allowance For Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 5.5	$ 5.8	$ 5.4
Additions Charged to Expenses	(0.6)	(0.2)	0.6
Additions Acquired	0	0	0
Deductions Amounts Written Off	(3.0)	(0.1)	(0.3)
Foreign Exchange	(0.1)	0	0.1
Ending Balance	1.8	5.5	5.8
Allowance For Cash Discounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	4.3	4.1	4.3
Additions Charged to Expenses	52.9	49.8	48.6
Additions Acquired	0	0	0
Deductions Amounts Written Off	(53.3)	(49.6)	(48.8)
Foreign Exchange	0.1	0	0
Ending Balance	4.0	4.3	4.1
Sales Returns And Allowances [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	9.7	10.3	19.8
Additions Charged to Expenses	40.1	39.0	43.5
Additions Acquired	0	0	(3.1)
Deductions Amounts Written Off	(39.7)	(40.0)	(50.0)
Foreign Exchange	0	0.4	0.1
Ending Balance	$ 10.1	$ 9.7	$ 10.3