Receivables - Rollforward of Allowances for Doubtful Accounts for Finance and Contract Receivables (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Receivables [Abstract]
Finance receivables, Allowance for doubtful accounts, Beginning of year	$ 48.6	$ 38.2
Finance receivables, Provision	54.6	44.0	$ 31.6
Finance receivables, Charge-offs	(53.3)	(39.8)
Finance receivables, Recoveries	6.6	6.2
Finance receivables, Currency Translation	0.0	0.0
Finance receivables, Allowance for doubtful accounts,End of year	56.5	48.6	38.2
Contract receivables, Allowance for doubtful accounts, Beginning of year	3.9	4.4
Contract receivables, Provision	2.7	1.0
Contract receivables, Charge-offs	(2.5)	(1.8)
Contract receivables, Recoveries	0.4	0.4
Contract receivables, Currency Translation	0.1	(0.1)
Contract receivables, Allowance for doubtful accounts, End of year	$ 4.6	$ 3.9	$ 4.4