SCHEDULE II 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 [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	$ 5.8		$ 6.3		$ 5.4
Charged to Expenses	8.9		4.0		5.0
Write-offs	(8.3)		(4.5)		(4.1)
Other	0.1	[1]	0		0
Balance at End of Period	6.5		5.8		6.3
Allowance for Sales Returns [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	10.9		9.2		9.3
Charged to Expenses	9.3		10.9		9.2
Write-offs	0		0		0
Other	(10.9)	[2]	(9.2)	[2]	(9.3)	[2]
Balance at End of Period	9.3		10.9		9.2
Allowance for Inventory Returns [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	(9.2)		(8.0)		(7.9)
Charged to Expenses	(7.8)		(9.2)		(8.0)
Write-offs	0		0		0
Other	9.2	[2]	8.0	[2]	7.9	[2]
Balance at End of Period	(7.8)		(9.2)		(8.0)
Allowance for Deferred Tax Assets, Current [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	11.2		2.2		1.5
Charged to Expenses	(0.7)		9.0		0.7
Write-offs	0		0		0
Other	0		0		0
Balance at End of Period	10.5		11.2		2.2
Allowance for Deferred Tax Assets, Noncurrent [Member]
Allowance for sales returns and doubtful accounts [Roll Forward]
Balance at Beginning of Period	28.5		8.9		28.4
Charged to Expenses	9.8		19.6		(19.5)
Write-offs	0		0		0
Other	0		0		0
Balance at End of Period	$ 38.3		$ 28.5		$ 8.9

[1] Other relates to SCC Netherlands BV acquisition allowance for doubtful accounts as of acquisition date.

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