Receivables - Rollforward of Allowances for Credit Losses for Finance and Contract Receivables (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Receivables [Abstract]
Finance receivables, Allowance for doubtful accounts, Beginning of period	$ 39.9	$ 33.4	$ 38.2	$ 32.7
Finance receivables, Provision for bad debt expense	10.3	7.3	19.6	14.4
Finance receivables, Charge-offs	(9.2)	(7.3)	(18.8)	(15.1)
Finance receivables, Recoveries	1.7	1.5	3.6	3.0
Finance receivables, Currency translation	(0.1)			(0.1)
Finance receivables, Allowance for doubtful accounts, End of period	42.6	34.9	42.6	34.9
Contract receivables, Allowance for doubtful accounts, Beginning of period	4.6	3.9	4.4	3.5
Contract receivables, Provision for bad debt expense	0.2	0.7	0.6	1.6
Contract receivables, Charge-offs	(0.3)	(0.6)	(0.7)	(1.0)
Contract receivables, Recoveries	0.1	0.2	0.2	0.2
Contract receivables, Currency translation	(0.1)			(0.1)
Contract receivables, Allowance for doubtful accounts, End of period	$ 4.5	$ 4.2	$ 4.5	$ 4.2