LEASES - Schedule of lease cost (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Lease Cost: | ||||
| Operating lease cost | $ 18.0 | $ 17.7 | $ 55.6 | $ 55.9 |
| Short-term lease cost | 0.9 | 0.8 | 2.7 | 2.2 |
| Variable lease cost | 12.2 | 10.9 | 33.0 | 33.4 |
| Sublease income | (2.3) | (3.1) | (7.8) | (10.5) |
| Net lease cost | 28.8 | 26.3 | 83.5 | 81.0 |
| Other information: | ||||
| Operating cash outflows from operating leases | (16.7) | (16.8) | (53.5) | (51.7) |
| Right-of-use assets obtained in exchange for lease obligations - net of lease terminations | $ (1.0) | $ 33.6 | $ 21.0 | $ 52.7 |
| Weighted-average remaining lease term - real estate | 5 years 10 months 24 days | 6 years 4 months 24 days | 5 years 10 months 24 days | 6 years 4 months 24 days |
| Weighted-average discount rate - real estate leases | 4.27% | 4.32% | 4.27% | 4.32% |
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- Definition Other Information, Lessee [Abstract] No definition available.
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- Definition Right-Of-Use Asset Obtained In Exchange For Operating Lease Liability, Including Lease Termination No definition available.
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- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of sublease income excluding finance and operating lease expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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