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Financial Instruments - Foreign currency risk and Interest rate risk (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jul. 01, 2020
Foreign currency risk      
Foreign currency risk and Interest rate risk      
Percentage of reasonably possible increase (decrease) in risk assumption 10.00%    
Increase (decrease) in total other comprehensive income (loss) $ 59 $ 89  
Interest rate risk      
Foreign currency risk and Interest rate risk      
Percentage of reasonably possible increase (decrease) in risk assumption 1.00%    
Increase (decrease) in finance costs $ 522 626  
Derivative assets $ 1,348    
Derivative liability   $ 333 $ 585