Financial Instruments - Fair Values of Financial Instruments Not Approximating Carrying Values in Financial Statements (Detail) - USD ($) $ in Millions	Jun. 27, 2020	Dec. 28, 2019
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt and notes payable	$ 1,448.8	$ 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	1,648.8	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	464.6	460.8
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt and notes payable	1,590.5	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	1,970.3	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	$ 515.8	$ 505.5