Receivables - Schedule of Performing and Nonperforming Finance and Contract Receivables (Detail) - USD ($) $ in Millions	Jun. 29, 2019	Dec. 29, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Finance Receivables	$ 1,678.9	$ 1,654.3
Contract Receivables	444.0	447.5
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Finance Receivables	1,654.2	1,626.4
Contract Receivables	440.7	441.5
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Finance Receivables	24.7	27.9
Contract Receivables	$ 3.3	$ 6.0