Financial Instruments - Fair Values of Financial Instruments Not Approximating Carrying Values in Financial Statements (Detail) - USD ($) $ in Millions	Jan. 01, 2022	Jan. 02, 2021
Carrying Value
Fair Values Not Approximating Carrying Value [Line Items]
Finance receivables – net	$ 1,656.3	$ 1,666.5
Contract receivables – net	488.6	487.2
Long-term debt, notes payable and current maturities of long-term debt, carrying value	1,200.3	1,450.6
Fair Value
Fair Values Not Approximating Carrying Value [Line Items]
Finance receivables – net	1,988.6	2,024.4
Contract receivables – net	542.5	545.4
Long-term debt, notes payable and current maturities of long-term debt, fair value	$ 1,339.7	$ 1,678.2