Financing Receivables - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Days Before Considered Past Due or Delinquent			90 days
Net receivables derecognized	$ 98.7		$ 98.7		$ 100.3
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Gain (Loss) on Sale	1.0	$ 0.9	2.8	$ 2.7
Proceeds from transfers of receivables to the purchaser	336.3	308.1	929.6	865.8
Payment to the Purchaser	338.1	315.9	931.4	858.3
Sale of receivables, deferred purchase price			92.8		21.7
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Net Credit Losses During Period		0.0	0.1	0.1
Cash inflows related to the deferred purchase price receivable	98.2	98.1	289.5	275.5
Gross receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	386.7	361.3	1,118.7	1,018.8
Net receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	334.5	304.5	975.3	909.5
Other assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long-term trade financing receivables	181.7		181.7		$ 169.5
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash investment purchaser allowed to have in transferors receivables	100.0		100.0
Payment to the Purchaser, servicing fees	$ 0.1	$ 0.1	$ 0.4	$ 0.4