Financing Receivables - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Dec. 29, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Capital Leases, Future Minimum Payments Receivable	$ 218.9
Capital Leases, Future Minimum Payments Receivable, Next Twelve Months	78.8
Capital Leases, Future Minimum Payments, Receivable in Two Years	58.4
Capital Leases, Future Minimum Payments, Receivable in Three Years	47.6
Capital Leases, Future Minimum Payments, Receivable in Four Years	25.3
Capital Leases, Future Minimum Payments, Receivable in Five Years	8.7
Capital Leases, Future Minimum Payments, Receivable Thereafter	0.1
Long-term Debt	3,912.5		$ 3,822.3
Sales-type Lease, Revenue	21.9
Lessor, Operating Lease, Payments to be Received	52.0
Lessor, Operating Lease, Payments to be Received, Next Rolling Twelve Months	$ 49.7
Document Period End Date	Mar. 30, 2019
Deferred Revenue, Revenue Recognized	$ 49.2	$ 51.2
Number of Days Before Considered Past Due or Delinquent	90 days
Net receivables derecognized	$ 25.9		100.1
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Gain (Loss) on Sale	1.4
Proceeds from transfers of receivables to the purchaser	93.5
Payment to the Purchaser	167.7
Deferred Revenue	204.1		202.0
Deferred Revenue, Current	98.7		98.6
Accounts Receivable, Gross, Current	1,718.2		1,437.1
Notes, Loans and Financing Receivable, Gross, Current	137.5
Other Receivables, Gross, Current	146.5		122.7
Trade Accounts And Notes Receivable Gross Current	2,002.2		1,709.8
Allowance for Doubtful Accounts Receivable, Current	(120.1)		(102.0)
Accounts, Notes, Loans and Financing Receivable, Net, Current	1,882.1		1,607.8
Financial Guarantee Insurance Contracts, Premium Received over Contract Period, Unearned Premium Revenue	1,159.0
Lessor, Operating Lease, Payments to be Received, Two Years	1.6
Lessor, Operating Lease, Payments to be Received, Three Years	0.6
Lessor, Operating Lease, Payments to be Received, Four Years	0.1
Operating Leases, Income Statement, Lease Revenue	36.7
Sales-type Lease, Lease Income	8.7
Operating Leases, Future Minimum Payments Receivable, in Five Years	0.0
Operating Leases, Future Minimum Payments Receivable, Thereafter	0.0
Notes Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes, Loans and Financing Receivable, Gross, Current			150.0
Gross receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	386.1
Net receivables sold
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables sold	309.2
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cash investment purchaser allowed to have in transferors receivables			110.0
Payment to the Purchaser, servicing fees	0.3
Other Assets [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long-term trade financing receivables	154.8		$ 153.7
Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes, Loans and Financing Receivable, Gross, Current	78.8
Lease Agreements [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Revenue (Expense), Net	3.2
Other Income	$ 61.8