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EQUITY (Normal course issuer bid Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 19, 2020
Feb. 21, 2018
Jan. 03, 2021
Dec. 29, 2019
Feb. 20, 2019
Disclosure of classes of share capital [line items]          
Number of shares authorized to be repurchased (in shares) 9,939,154       10,337,017
Number of shares authorized to be repurchased as a percentage of issued and outstanding common shares 5.00% 5.00%      
Shares repurchased for cancellation (in shares)     843,038 8,217,715  
Shares repurchased for cancellation     $ 23,216 $ 257,233  
Number of shares in entity held by entity or by its subsidiaries or associates     2,897 9,206  
Value of shares in entity held by entity or by its subsidiaries or associates     $ 200 $ 200  
Share capital          
Disclosure of classes of share capital [line items]          
Shares repurchased for cancellation (in shares)     843,000 8,218,000  
Shares repurchased for cancellation     $ 744 $ 6,738  
Retained earnings          
Disclosure of classes of share capital [line items]          
Shares repurchased for cancellation     $ 22,472 $ 250,495