SHARE CAPITAL, OPTION PLANS AND SHARE-BASED PAYMENTS - Schedule of Weighted-Average Fair Value Of Options And Weighted-Average Assumptions Used (Details) - $ / shares	3 Months Ended
Sep. 30, 2022	Sep. 30, 2021
Stock Options (issued under Stock Option Plans)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value of options granted (in dollars per share)	$ 8.16	$ 9.75
Weighted-average assumptions used:
Expected volatility	27.46%	26.62%
Risk–free interest rate	2.86%	0.55%
Expected dividend yield	2.32%	1.56%
Expected life (in years)	4 years 2 months 4 days	4 years 1 month 28 days
Forfeiture rate (based on historical rates)	7.00%	7.00%
Average exercised share price (in dollars per share)	$ 39.09	$ 52.62
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value of options granted (in dollars per share)	$ 8.09
Derived service period (in years)	1 year 8 months 12 days
Weighted-average assumptions used:
Expected volatility	26.00%
Risk–free interest rate	3.21%
Expected dividend yield	2.00%
Average exercised share price (in dollars per share)	$ 31.89
PSUs \| Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value of options granted (in dollars per share)	$ 55.06	$ 75.15
Weighted-average assumptions used:
Expected volatility	29.00%	28.00%
Risk–free interest rate	3.13%	0.45%
Expected dividend yield	0.00%	1.70%
Expected life (in years)	3 years 1 month 9 days	3 years 1 month 6 days
Forfeiture rate (based on historical rates)	7.00%	7.00%

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

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
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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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-Publisher FASB
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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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- Definition

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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- Definition

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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-Publisher FASB
-Name Accounting Standards Codification
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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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