Restructuring and Asset Impairment Charges - Activity and Reserve Balance for Restructuring Charges (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Restructuring Reserve [Roll Forward] | ||||
| Reserve balance beginning of year | $ 0.0 | $ 1.1 | ||
| Restructuring charges excluding noncash impairments | $ 1.1 | 0.0 | 1.1 | $ 1.1 |
| Cash payments | 0.0 | (2.2) | ||
| Reserve balance end of year | $ 1.1 | $ 0.0 | $ 0.0 | $ 1.1 |
| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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