Financial Instruments - Fair Values of Financial Instruments Not Approximating Carrying Values in Financial Statements (Detail) - USD ($) $ in Millions	Mar. 28, 2020	Dec. 28, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt and notes payable	$ 1,108.3	$ 1,149.8
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt and notes payable	1,108.3	1,149.8
Carrying Value | Finance Receivables
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance and contract receivables, after allowance for credit loss	1,616.2	1,633.6
Carrying Value | Contract Receivables
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance and contract receivables, after allowance for credit loss	447.6	460.8
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt and notes payable	1,212.5	1,238.8
Fair Value | Finance Receivables
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance and contract receivables, after allowance for credit loss	1,892.5	1,920.6
Fair Value | Contract Receivables
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance and contract receivables, after allowance for credit loss	$ 487.9	$ 505.5