Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
International Plans [Member]
Stock-Based Compensation (Textual) [Abstract]
Rate of Future Salary Increase	1.50%	1.50%	1.50%
Minimum [Member] \| International Plans [Member]
Stock-Based Compensation (Textual) [Abstract]
Rate of Future Salary Increase	300.00%
Stock Option [Member]
Stock-Based Compensation (Textual) [Abstract]
Tax benefits resulting from stock-based compensation deductions in excess of amounts reported for financial reporting purposes	$ 0.2	$ 0.7	$ 0.0
Cash received from the exercise of capital stock option	0.2	6.6	0.9
Share-based Payment Arrangement, Exercise of Option, Tax Benefit	0.0		0.0
Total Intrinsic value of options exercised	0.1	2.4	0.3
Restricted Stock Units - Time Vesting Performance Vesting [Member]
Stock-Based Compensation (Textual) [Abstract]
Compensation expense related to stock option	20.1	$ 23.9	$ 15.3
Unrecognized compensation cost	$ 23.3
Unrecognized compensation costs, weighted average period	1 year 8 months 12 days
Performance Shares [Member]
Stock-Based Compensation (Textual) [Abstract]
Performance metric adjustments, net	(150,711)

Stock based compensation.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for 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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Amount of tax benefit from exercise of option under share-based payment arrangement.

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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