SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Allowance for Doubtful Accounts [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	$ 6.3		$ 5.4		$ 7.0
Charged to Expenses	4.0		5.0		3.2
Write-offs	(4.5)		(4.1)		(4.8)
Other	0		0		0
Balance at End of Period	5.8		6.3		5.4
Allowance for Sales Returns [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	9.2		9.3		10.9
Charged to Expenses	10.9		9.2		9.3
Write-offs	0		0		0
Other	(9.2)	[1]	(9.3)	[1]	(10.9)	[1]
Balance at End of Period	10.9		9.2		9.3
Allowance For Inventory Returns [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	(8.0)		(7.9)		(9.3)
Charged to Expenses	(9.2)		(8.0)		(7.9)
Write-offs	0		0		0
Other	8.0	[1]	7.9	[1]	9.3	[1]
Balance at End of Period	(9.2)		(8.0)		(7.9)
Allowance for Deferred Tax Assets, Current [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	2.2		1.5		1.5
Charged to Expenses	9.0		0.7		0
Write-offs	0		0		0
Other	0		0		0
Balance at End of Period	11.2		2.2		1.5
Allowance for Deferred Tax Assets, Noncurrent [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	8.9		28.4		27.7
Charged to Expenses	19.6		(19.5)		0.6
Write-offs	0		0		0
Other	0		0		0.1
Balance at End of Period	$ 28.5		$ 8.9		$ 28.4

[1] Amounts represent gross revenue and cost reversals to the estimated sales returns and allowances accounts.