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FINANCIAL RISK MANAGEMENT - Narrative (Details) | 12 Months Ended |
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Jan. 02, 2022 USD ($) $ / lb | Jan. 03, 2021 USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Receivables purchase agreement, maximum of sale of accounts receivables | $ 225,000,000 |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, per unit | $ / lb | 0.01 |
SSensitivity analysis for types of market risk, reasonably possible change in risk variable, impact on material costs | $ 6,000,000 |
Long-term debt (note 12) | $ 600,000,000 | $ 1,000,000,000
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 50.00% |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, impact on earnings | $ (1,200,000) |
Term Loan, Interest At Variable U.S. LIBOR-based Interest Rate |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Long-term debt (note 12) | 400,000,000 |
Term Loan, Interest At Variable U.S. LIBOR-based Interest Rate Plus A Spread Ranging From 1% to 3% Due April 2025 |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Long-term debt (note 12) | 300,000,000 | $ 300,000,000
Unsecured Notes Payable |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Long-term debt (note 12) | $ 100,000,000 |
Debtor Concentration Risk | Ten Largest Trade Debtors | Accounts Receivable Benchmark |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Concentration Risk, Percentage | 78.00% | 76.00%
Debtor Concentration Risk | Largest Trade Debtor | Accounts Receivable Benchmark |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Concentration Risk, Percentage | 24.00% | 23.00%
Interest rate risk |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Notional amount | $ 400,000,000 |
Interest rate risk | Cash flow hedges |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Notional amount | 250,000,000 |
Interest rate risk | Term Loan, Interest At Variable U.S. LIBOR-based Interest Rate Plus A Spread Ranging From 1% to 3% Due April 2025 | Cash flow hedges |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Notional amount | $ 100,000,000 |

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