Stockholders' Equity - Schedule of Adjustments to Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Accumulated Other Comprehensive Income Loss [Line Items] | ||
| Unrealized net gains (losses) on defined benefit pension plan | $ 91.8 | $ (48.6) |
| Other Comprehensive Income (Loss) before Reclassifications, Tax, Total | 0.7 | 1.0 |
| Foreign Currency Translation [Member] | ||
| Accumulated Other Comprehensive Income Loss [Line Items] | ||
| Unrealized net gains (losses) on defined benefit pension plan | 91.8 | (48.6) |
| Other Comprehensive Income (Loss) before Reclassifications, Tax, Total | $ 0.7 | $ 1.0 |
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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/2003/role/disclosureRef
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- Definition Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent. 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) before reclassification adjustment from accumulated other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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