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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 41.7 | $ 78.4 | $ 23.1 | $ 207.7
Components of other comprehensive income (loss): |  |  |  |
Actuarial gains (losses) related to defined benefit pension plans, net of tax effect | 0.2 | (4.1) | (4.5) | (4.3)
Other comprehensive income (loss), net of tax effect | 0.2 | (4.1) | (4.5) | (4.3)
Comprehensive income | $ 41.9 | $ 74.3 | $ 18.6 | $ 203.4

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