CONDENSED CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
Mar. 31, 2024 |
Sep. 30, 2023 |
Jun. 30, 2023 |
Mar. 31, 2023 |
Jun. 30, 2023 |
Sep. 30, 2023 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Statement of Comprehensive Income [Abstract] | ||||||||
| Net income (loss) | $ (101.0) | $ (14.0) | $ 30.8 | $ 12.5 | $ 43.3 | $ 29.3 | $ (25.2) | $ 186.2 |
| Foreign currency translation adjustments | (27.7) | (55.6) | 29.9 | 19.1 | 49.0 | (6.6) | 59.3 | (126.1) |
| Net benefit plan adjustments | 0.0 | 2.1 | 0.0 | 2.1 | 2.1 | 1.2 | (0.6) | |
| Unrealized gain on derivative instruments | 2.1 | 1.6 | 0.0 | 1.6 | (1.9) | |||
| Other comprehensive income (loss) before tax | (25.6) | (54.0) | 32.0 | 19.1 | 51.1 | (2.9) | 58.6 | (126.7) |
| Provision (benefit) for income tax related to items of comprehensive income | (0.5) | (0.4) | 0.0 | 0.0 | 0.0 | (0.4) | 0.7 | 0.0 |
| Other comprehensive income (loss), net of tax | (26.1) | (54.4) | 32.0 | 19.1 | 51.1 | (3.3) | 59.3 | (126.7) |
| Comprehensive income (loss) | $ (127.1) | $ (68.4) | $ 62.8 | $ 31.6 | $ 94.4 | $ 26.0 | $ 34.1 | $ 59.5 |
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, on foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness, attributable to parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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