Receivables - Rollforward of Allowances for Doubtful Accounts for Finance and Contract Receivables (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Finance Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of year	$ 61.4	$ 56.5
Provision	49.9	57.5
Charge-offs	(57.1)	(59.4)
Recoveries	7.7	7.1
Currency translation	0.0	(0.3)
End of year	61.9	61.4
Contract Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of year	4.3	4.6
Provision	4.7	2.0
Charge-offs	(3.9)	(2.5)
Recoveries	0.5	0.4
Currency translation	0.0	(0.2)
End of year	$ 5.6	$ 4.3