Financing Receivables - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Document Period End Date			Jul. 01, 2017
Number of Days Before Considered Past Due or Delinquent			90 days
Net receivables derecognized	$ 100.8		$ 100.8		$ 100.5
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Gain (Loss) on Sale	1.9	$ 1.4	3.3	$ 2.4
Proceeds from transfers of receivables to the purchaser	444.1	400.0	781.1	677.6
Payment to the Purchaser	408.7	383.4	781.1	677.6
Sale of receivables, deferred purchase price			166.3		83.2
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	0.0	0.0
Cash inflows related to the deferred purchase price receivable	158.5	128.7	288.4	219.5
Gross receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	549.3	488.8	1,003.1	873.5
Net receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	464.0	404.9	852.9	746.2
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	0.4	$ 0.2	0.6	$ 0.4
Other assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long-term trade financing receivables	$ 190.8		$ 190.8		$ 180.9