Receivables - Components of Finance and Contract Receivables Beyond One Year (Detail) - USD ($) $ in Millions	Dec. 28, 2024	Dec. 30, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance and contract receivables, before allowance for credit losses, non-current	$ 1,785.0	$ 1,743.6
Allowances for credit losses:
Allowances for credit losses, finance and contract receivables, non-current	(54.7)	(51.5)
Total long-term finance and contract receivables – net	1,730.3	1,692.1
Finance receivables – net
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance and contract receivables, before allowance for credit losses, non-current	1,361.6	1,330.8
Allowances for credit losses:
Allowances for credit losses, finance and contract receivables, non-current	(49.6)	(46.6)
Total long-term finance and contract receivables – net	1,312.0	1,284.2
Finance receivables – net \| Installment Receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance and contract receivables, before allowance for credit losses, non-current	1,337.5	1,318.5
Allowances for credit losses:
Allowances for credit losses, finance and contract receivables, non-current	(49.2)	(46.4)
Finance receivables – net \| Finance and Contract Leases
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance and contract receivables, before allowance for credit losses, non-current	24.1	12.3
Unearned finance charges, non-current	5.7	2.8
Allowances for credit losses:
Allowances for credit losses, finance and contract receivables, non-current	(0.4)	(0.2)
Contract receivables – net
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance and contract receivables, before allowance for credit losses, non-current	423.4	412.8
Allowances for credit losses:
Allowances for credit losses, finance and contract receivables, non-current	(5.1)	(4.9)
Total long-term finance and contract receivables – net	418.3	407.9
Contract receivables – net \| Installment Receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance and contract receivables, before allowance for credit losses, non-current	223.0	216.0
Allowances for credit losses:
Allowances for credit losses, finance and contract receivables, non-current	(3.3)	(3.1)
Contract receivables – net \| Finance and Contract Leases
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance and contract receivables, before allowance for credit losses, non-current	200.4	196.8
Unearned finance charges, non-current	36.3	35.1
Allowances for credit losses:
Allowances for credit losses, finance and contract receivables, non-current	$ (1.8)	$ (1.8)

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