Financing Receivables - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Jun. 29, 2013	Sep. 27, 2014	Sep. 28, 2013	Dec. 28, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Days Before Considered Past Due or Delinquent				90 days
Net receivables derecognized	$ 92.5			$ 92.5		$ 84.8
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Gain (Loss) on Sale	0.9	0.6		2.7	2.1
Proceeds from transfers of receivables to the purchaser	308.1	274.2		865.8	781.5
Payment to the Purchaser	315.9	285.4		858.3	786.1
Sale of receivables, deferred purchase price	103.3					37.3
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			0.3	0.1
Cash inflows related to the deferred purchase price receivable		89.6		275.5	257.5
Gross receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	361.3	328.9		1,018.8	955.2
Net receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	304.5	286.6		909.5	833.9
Other assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long-term trade financing receivables	164.5			164.5		157.8
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	$ 0.2		$ 0.4	$ 0.4