Valuation and Qualifying Accounts and Reserves (Tables)

12 Months Ended

Dec. 31, 2011

Valuation and Qualifying Accounts And Reserves [Abstract]

Valuation And Qualifying Accounts [Table Text Block]

	Balance at Beginning of Year		Additions / (Reversals) Charged to Costs and Expenses		Deductions		Balance at End of Year
Allowances for doubtful accounts receivable:
Year 2009	$	4.0	$	2.1	$	(1.0)	$	5.1
Year 2010	$	5.1	$	(0.2)	$	(1.3)	$	3.6
Year 2011	$	3.6	$	0.1	$	(0.7)	$	3.0
Allowance for credit memos and returns:
Year 2009	$	16.8	$	85.4	$	(83.6)	$	18.6
Year 2010	$	18.6	$	102.3	$	(102.3)	$	18.6
Year 2011	$	18.6	$	118.3	$	(116.5)	$	20.4
Valuation allowance on deferred tax assets:
Year 2009	$	2.5	$	—	$	(0.3)	$	2.2
Year 2010	$	2.2	$	0.4	$	—	$	2.6
Year 2011	$	2.6	$	0.6	$	—	$	3.2