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
Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value of options granted (in dollars per share)	$ 9.75	$ 8.50
Weighted-average assumptions used:
Expected volatility	26.62%	26.12%
Risk–free interest rate	0.55%	0.20%
Expected dividend yield	1.56%	1.52%
Expected life (in years)	4 years 1 month 28 days	4 years 8 months 19 days
Forfeiture rate (based on historical rates)	7.00%	7.00%
Average exercised share price (in dollars per share)	$ 52.62	$ 45.81

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Forfeiture Rate

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Average Exercise Price

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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