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NEW ACCOUNTING STANDARDS AND INTERPRETATIONS NOT YET APPLIED (Details) - Interest rate risk - USD ($)
Jan. 03, 2021
Dec. 29, 2019
Disclosure of expected impact of initial application of new standards or interpretations [line items]    
Notional amount $ 800,000,000  
Cash flow hedges    
Disclosure of expected impact of initial application of new standards or interpretations [line items]    
Notional amount 275,000,000  
Floating-to-fixed interest rate swap, maturing on June 17, 2021 | Cash flow hedges    
Disclosure of expected impact of initial application of new standards or interpretations [line items]    
Notional amount 150,000,000 $ 150,000,000
IFRS 9 | Cash flow hedges    
Disclosure of expected impact of initial application of new standards or interpretations [line items]    
Notional amount 800,000,000  
IFRS 9 | Floating-to-fixed interest rate swap, maturing on June 17, 2021 | Cash flow hedges    
Disclosure of expected impact of initial application of new standards or interpretations [line items]    
Notional amount $ 275,000,000