Schedule II - Valuation and Qualifying Accounts (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013		Dec. 29, 2012		Dec. 31, 2011
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance, Beginning Balance	$ 39.2		$ 23.0		$ 20.1
Valuation Allowances and Reserves, charged to cost and expense	126.2		82.2		73.3
Valuation Allowances and Reserves, charged to other accounts	0		0		0
Valuation Allowances and Reserves, Deductions	113.6		66.0		70.4
Valuation Allowances and Reserves, Ending Balance	51.8		39.2		23.0
Allowance for doubtful accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance, Beginning Balance	10.1		4.8		5.8
Valuation Allowances and Reserves, charged to cost and expense	21.1		8.7		6.0
Valuation Allowances and Reserves, charged to other accounts	0		0		0
Valuation Allowances and Reserves, Deductions	12.9	[1]	3.4	[1]	7.0	[1]
Valuation Allowances and Reserves, Ending Balance	18.3		10.1		4.8
Allowance for sales returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance, Beginning Balance	11.4		5.2		4.5
Valuation Allowances and Reserves, charged to cost and expense	74.6		53.9		48.5
Valuation Allowances and Reserves, charged to other accounts	0		0		0
Valuation Allowances and Reserves, Deductions	70.6	[2]	47.7	[2]	47.8	[2]
Valuation Allowances and Reserves, Ending Balance	15.4		11.4		5.2
Allowance for cash discounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance, Beginning Balance	5.2		2.7		1.2
Valuation Allowances and Reserves, charged to cost and expense	19.2		11.8		10.1
Valuation Allowances and Reserves, charged to other accounts	0		0		0
Valuation Allowances and Reserves, Deductions	20.3	[3]	9.3	[3]	8.6	[3]
Valuation Allowances and Reserves, Ending Balance	4.1		5.2		2.7
Inventory valuation allowances [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance, Beginning Balance	12.5		10.3		8.6
Valuation Allowances and Reserves, charged to cost and expense	11.3		7.8		8.7
Valuation Allowances and Reserves, charged to other accounts	0		0		0
Valuation Allowances and Reserves, Deductions	9.8	[4]	5.6	[4]	7.0	[4]
Valuation Allowances and Reserves, Ending Balance	$ 14.0		$ 12.5		$ 10.3

[1] Accounts charged off, net of recoveries.

[2] Actual customer returns.

[3] Discounts given to customers.

[4] Adjustment upon disposal of related inventories.