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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Statement of Comprehensive Income [Abstract]    
Unrealized gain (loss) on cash flow hedges, tax expense (recovery) $ (391) $ 305
(Gain) loss reclassified into net income, tax (expense) recovery (103) (56)
Actuarial gain (loss), tax expense (recovery) (232) (916)
Amortization of actuarial (gain) loss into net income, tax (expense) recovery $ 68 $ 87