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Receivables - Narrative (Detail) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Jan. 02, 2021 USD ($) portfolioSegment | Dec. 28, 2019 USD ($) | Dec. 29, 2018 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, allowance for credit loss |  | $ (67.5) |
Minimum payment term for trade and other accounts receivable (in days) | 30 days |  |
Maximum payment term for trade and other accounts receivable (in days) | 120 days |  |
Average payment term for finance receivables (in years) | 4 years |  |
Average payment term for contract receivables (in years) | 10 years |  |
Number of portfolio segments | portfolioSegment | 2 |  |
Minimum period past due to consider receivable balances as delinquent (in days) | 30 days |  |
Minimum period past due to declare receivable as non-accrual status (in days) | 90 days |  |
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-13 |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, allowance for credit loss |  | (8.1) |
Financing Receivables |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, allowance for credit loss | $ (76.3) | (61.9) | $ (61.4)
Financing receivable, threshold period after asset repossession, writeoff | 60 days |  |
Financing receivable, threshold period past due, writeoff | 120 days |  |
Contract Receivables |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, allowance for credit loss | $ (9.0) | $ (5.6) | $ (4.3)
Contract Receivables | Non-Franchisee |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, threshold period past due, writeoff | 150 days |  |
Contract Receivables | Franchisee |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, threshold period past due, writeoff | 180 days |  |
Financing Receivable And Loans Receivable, Customer Bankruptcy [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, threshold period past due, writeoff | 180 days |  |

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