OTHER ASSETS, NET (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Intangible Assets | ||||||||
| Accumulated amortization | $ (106.1) | $ (101.9) | $ (106.1) | $ (101.9) | ||||
| Data processing software, net | 68.4 | 47.1 | 68.4 | 47.1 | ||||
| Long-term notes receivable, net | 94.8 | 102.1 | 94.8 | 102.1 | ||||
| Other assets | 8.8 | 10.5 | 8.8 | 10.5 | ||||
| Total other assets, net | 172.0 | 159.7 | 172.0 | 159.7 | ||||
| Increase in other current assets | 85.3 | 91.3 | 85.3 | 91.3 | ||||
| Amortization expense | 14.6 | $ 17.2 | 31.3 | $ 35.6 | ||||
| Impairment of assets | 0.0 | 17.1 | 0.0 | 17.1 | ||||
| Reclassification, Other | ||||||||
| Intangible Assets | ||||||||
| Decrease in long-term notes receivable | 7.3 | 7.3 | ||||||
| Increase in other current assets | 7.3 | 7.3 | ||||||
| Software development work in progress | ||||||||
| Intangible Assets | ||||||||
| Finite-lived intangible assets, gross | 36.1 | 12.0 | 36.1 | 12.0 | ||||
| Data processing software | ||||||||
| Intangible Assets | ||||||||
| Finite-lived intangible assets, gross | 138.4 | 137.0 | 138.4 | 137.0 | ||||
| Amortization expense | $ 2.3 | $ 5.6 | $ 2.5 | $ 4.6 | $ 5.0 | $ 5.6 | ||
| Impairment of assets | $ 2.7 | $ 2.7 | ||||||
| X | ||||||||||
- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of impairment loss for asset. Includes, but is not limited to, tangible and intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allowance for credit loss, of accounts and financing receivables, classified as noncurrent. Includes, but is not limited to, notes and loan receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allowance for credit loss, of financing receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. No definition available.
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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