SCHEDULE II-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]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 1.8	$ 3.2	$ 2.8
Charged against revenues or to costs and expenses	1.3	(0.2)	1.7
Deductions	0.2	1.2	1.3
Balance at end of period	2.9	1.8	3.2
Allowance for Sales Returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	7.9	5.7	8.0
Charged against revenues or to costs and expenses	38.4	34.3	24.2
Charged to other accounts	0	0.1	0.2
Deductions	36.4	32.2	26.7
Balance at end of period	9.9	7.9	5.7
Allowance for Sales Discounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	7.1	6.2	8.0
Charged against revenues or to costs and expenses	69.3	72.8	71.2
Deductions	69.9	71.9	73.0
Balance at end of period	6.5	7.1	6.2
Deferred Tax Valuation Allowance [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	5.8	5.8	5.2
Charged against revenues or to costs and expenses	2.3	0	0.6
Balance at end of period	8.1	5.8	5.8
Allowance for co op advertising [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	11.7	9.7	8.6
Charged against revenues or to costs and expenses	22.3	23.6	21.6
Charged to other accounts	0	0	0.1
Deductions	25.0	21.6	20.6
Balance at end of period	$ 9.0	$ 11.7	$ 9.7