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Receivables - Rollforward of Allowances for Doubtful Accounts for Finance and Contract Receivables (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Allowance for Doubtful Accounts Receivable [Roll Forward]      
Finance receivables, Allowance for doubtful accounts, Beginning of year $ 56.5 $ 48.6  
Finance receivables, Provision 57.5 54.6 $ 44.0
Finance receivables, Charge-offs (59.4) (53.3)  
Finance receivables, Recoveries 7.1 6.6  
Finance receivables, Currency Translation (0.3) 0.0  
Finance receivables, Allowance for doubtful accounts,End of year 61.4 56.5 48.6
Contract receivables, Allowance for doubtful accounts, Beginning of year 4.6 3.9  
Contract receivables, Provision 2.0 2.7  
Contract receivables, Charge-offs (2.5) (2.5)  
Contract receivables, Recoveries 0.4 0.4  
Contract receivables, Currency Translation (0.2) 0.1  
Contract receivables, Allowance for doubtful accounts, End of year $ 4.3 $ 4.6 $ 3.9