Fair Value Measurement - Schedule of Fair Values of Financial Assets and Liabilities (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
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|---|---|---|---|---|---|---|---|---|
| Assets: | ||||||||
| Investment in equity securities | [1] | $ 3.8 | $ 7.0 | |||||
| Foreign currency exchange derivatives | [2] | 0.6 | 0.4 | |||||
| Liabilities: | ||||||||
| Foreign currency exchange derivatives | [2] | 1.5 | 0.6 | |||||
| Supplemental Executive Retirement Plan | ||||||||
| Assets: | ||||||||
| Rabbi trust | [3] | 10.0 | 11.0 | |||||
| Level 1 | ||||||||
| Assets: | ||||||||
| Investment in equity securities | [1] | 3.8 | 7.0 | |||||
| Foreign currency exchange derivatives | [2] | 0.0 | 0.0 | |||||
| Liabilities: | ||||||||
| Foreign currency exchange derivatives | [2] | 0.0 | 0.0 | |||||
| Level 1 | Supplemental Executive Retirement Plan | ||||||||
| Assets: | ||||||||
| Rabbi trust | [3] | 10.0 | 11.0 | |||||
| Level 2 | ||||||||
| Assets: | ||||||||
| Investment in equity securities | [1] | 0.0 | 0.0 | |||||
| Foreign currency exchange derivatives | [2] | 0.6 | 0.4 | |||||
| Liabilities: | ||||||||
| Foreign currency exchange derivatives | [2] | 1.5 | 0.6 | |||||
| Level 2 | Supplemental Executive Retirement Plan | ||||||||
| Assets: | ||||||||
| Rabbi trust | [3] | 0.0 | 0.0 | |||||
| Level 3 | ||||||||
| Assets: | ||||||||
| Investment in equity securities | [1] | 0.0 | 0.0 | |||||
| Foreign currency exchange derivatives | [2] | 0.0 | 0.0 | |||||
| Liabilities: | ||||||||
| Foreign currency exchange derivatives | [2] | 0.0 | 0.0 | |||||
| Level 3 | Supplemental Executive Retirement Plan | ||||||||
| Assets: | ||||||||
| Rabbi trust | [3] | $ 0.0 | $ 0.0 | |||||
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