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SHARE CAPITAL, OPTION PLANS AND SHARE-BASED PAYMENTS - Schedule of Weighted-Average Fair Value Of Options And Weighted-Average Assumptions Used (Details) - Stock options - $ / shares
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average fair value of options granted (in dollars per share) $ 8.31 $ 8.86 $ 9.08 $ 8.41
Weighted-average assumptions used:        
Expected volatility 26.06% 26.59% 26.37% 26.20%
Risk–free interest rate 1.54% 0.32% 1.06% 0.21%
Expected dividend yield 1.94% 1.54% 1.75% 1.54%
Expected life (in years) 4 years 1 month 20 days 4 years 1 month 20 days 4 years 1 month 24 days 4 years 7 months 17 days
Forfeiture rate (based on historical rates) 7.00% 7.00% 7.00% 7.00%
Average exercised share price (in dollars per share) $ 44.45 $ 48.74 $ 48.69 $ 45.57