Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Stock-Based Compensation (Textual) [Abstract]
Share-based compensation arrangement by share-based payment award, non-option equity instruments, other	38,930
International Plans
Stock-Based Compensation (Textual) [Abstract]
Rate of future salary increase	300.00%
Stock Option
Stock-Based Compensation (Textual) [Abstract]
Tax benefits resulting from stock-based compensation deductions in excess of amounts reported for financial reporting purposes	$ 0.8	$ 0.8	$ 1.5
Cash received from the exercise of capital stock option	0.0	0.0	0.0
Share-based payment arrangement, exercise of option, tax benefit	0.1	0.0	0.0
Total Intrinsic value of options exercised	0.2	0.0	0.0
Restricted Stock Units - Time Vesting Performance Vesting
Stock-Based Compensation (Textual) [Abstract]
Compensation expense related to stock option	33.4	$ 21.0	$ 23.4
Unrecognized compensation cost	$ 24.8
Unrecognized compensation costs, weighted average period	1 year 6 months

Stock based compensation.

No definition available.

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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 for recognition of expense of award under share-based payment arrangement.

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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 exercise of option under share-based payment arrangement.

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Other increase (decrease) in number of shares reserved for issuance under non-option equity instrument agreements that is not separately disclosed.

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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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