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SHARE-BASED COMPENSATION (Stock options and restricted share units Narrative) (Details) $ / shares in Units, $ in Thousands, shares in Millions | 12 Months Ended |  |  |
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Dec. 29, 2024 USD ($) shares shares $ / shares | Dec. 31, 2023 shares $ / shares | Dec. 31, 2023 USD ($) shares shares | Jan. 02, 2022 | Dec. 29, 2024 shares $ / shares | Dec. 29, 2024 shares $ / shares | Dec. 31, 2023 shares $ / shares | Jan. 01, 2023 shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Number of common shares issuable pursuant to the exercise of stock options and vesting of Treasury RSUs for the plan (in shares) |  |  |  |  | 13,797,851 | 13,797,851 |  |
Number of shares remained authorized for future issuance under the plan (in shares) |  |  |  |  | 573,710 | 573,710 |  |
Outstanding options exercisable (in shares) |  | 282,737 |  |  |  |  | 282,737 |
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ / shares |  | $ 42.27 |  |  | $ 42.27 |  |  |
Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise | (per share) | $ 42.61 | $ 40.72 |  |  |  |  |  |
Compensation expense included in selling, general and administrative expenses and cost of sales | $ | $ 64,524 |  | $ 27,118 |  |  |  |  |
Stock Appreciation Rights |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Percent of other equity instruments exercised or vested in share-based payment arrangement |  |  |  | 0.75 |  |  |  |
Percent of other equity instruments forfeited in share-based payment arrangement |  |  |  | 0.25 |  |  |  |
Compensation expense included in selling, general and administrative expenses and cost of sales | $ | $ 0 |  | 1,400 |  |  |  |  |
Number of other equity instruments outstanding (in shares) |  | 0 |  |  | 0 | 0 | 0 |
Number of other equity instruments exercised or vested in share-based payment arrangement (in shares) | 618,304 |  |  |  |  |  |  |
Number of other equity instruments forfeited in share-based payment arrangement (in shares) | 206,102 |  |  |  |  |  |  |
Treasury RSUs |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Compensation expense included in selling, general and administrative expenses and cost of sales | $ | $ 900 |  | $ 400 |  |  |  |  |
Number of other equity instruments outstanding (in shares) |  | 61,000 |  |  | 1,573,000 | 1,573,000 | 61,000 | 73,000
Number of other equity instruments exercised or vested in share-based payment arrangement (in shares) | 0.0 |  | 0.0 |  |  |  |  |
Number of other equity instruments forfeited in share-based payment arrangement (in shares) | 0 |  | 17,000 |  |  |  |  |
Exercise price (in dollars per share) | $ / shares | $ 48.82 |  |  |  |  |  |  |
Treasury RSUs | Minimum |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period | 4 years |  |  |  |  |  |  |
Treasury RSUs | Maximum |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Vesting period | 5 years |  |  |  |  |  |  |
Stock options |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Compensation expense included in selling, general and administrative expenses and cost of sales | $ | $ 0 |  | $ 2,100 |  |  |  |  |
Non-Treasury RSUs |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Compensation expense included in selling, general and administrative expenses and cost of sales | $ | $ 63,400 |  | $ 22,900 |  |  |  |  |
Number of other equity instruments outstanding (in shares) |  | 1,516,000 |  |  | 2,018,000 | 2,018,000 | 1,516,000 | 2,089,000
Number of other equity instruments exercised or vested in share-based payment arrangement (in shares) | 0 |  | 0 |  |  |  |  |
Number of other equity instruments forfeited in share-based payment arrangement (in shares) | 42,000 |  | 170,000 |  |  |  |  |
Vesting period | 3 years |  |  |  |  |  |  |
Ratio of awards that can vest to the actual number of shares awarded | 2 |  |  |  |  |  |  |
CAD |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Outstanding options exercisable (in shares) |  |  |  |  | 282,737 | 282,737 |  |
USD |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |  |  |
Outstanding options exercisable (in shares) |  | 184,664 |  |  | 0 | 0 | 184,664 |
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ / shares |  |  |  |  |  | $ 0 | $ 29.01 |

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