Receivables - Rollforward of Allowances for Credit Losses for Finance and Contract Receivables (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Receivables [Abstract]
Finance receivables, Allowance for doubtful accounts, Beginning of period	$ 27.8	$ 26.5
Finance receivables, Provision for bad debt expense	6.2	3.9
Finance receivables, Charge-offs	(6.8)	(5.7)
Finance receivables, Recoveries	1.3	1.1
Finance receivables, Allowance for doubtful accounts, End of period	28.5	25.8
Contract receivables, Allowance for doubtful accounts, Beginning of period	3.3	3.2
Contract receivables, Provision for bad debt expense	0.6	1.1
Contract receivables, Charge-offs	(0.4)	(0.7)
Contract receivables, Recoveries	0.1
Contract receivables, Allowance for doubtful accounts, End of period	$ 3.6	$ 3.6