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v3.25.3

Goodwill and Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Mar. 31, 2025
Goodwill [Roll Forward] |  |  |  |  |  |
Goodwill, beginning balance |  | $ 233.9 |  | $ 233.9 |  |
Goodwill, ending balance | $ 290.7 |  |  | 290.7 |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |  |
Gross Carrying Value | 305.3 |  |  | 305.3 |  | $ 231.1
Accumulated Amortization | (97.7) |  |  | (97.7) |  | (84.4)
Net Intangible Assets | 207.6 |  |  | 207.6 |  | 146.7
Amortization expense | 4.9 |  | $ 6.9 | 10.6 | $ 13.8 |
Estimated Future Amortization Expense [Abstract] |  |  |  |  |  |
2026 | 10.0 |  |  | 10.0 |  |
2027 | 21.0 |  |  | 21.0 |  |
2028 | 21.0 |  |  | 21.0 |  |
2029 | 20.0 |  |  | 20.0 |  |
2030 | 19.0 |  |  | 19.0 |  |
2031 | 19.0 |  |  | 19.0 |  |
Climate Solutions |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Goodwill, beginning balance |  | 233.9 |  | 233.9 |  |
Acquisitions |  |  |  | 50.4 |  |
Effect of exchange rate changes |  |  |  | 6.4 |  |
Goodwill, ending balance | 290.7 |  |  | 290.7 |  |
Customer relationships |  |  |  |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |  |
Gross Carrying Value | 198.4 |  |  | 198.4 |  | 145.4
Accumulated Amortization | (56.5) |  |  | (56.5) |  | (47.5)
Net Intangible Assets | 141.9 |  |  | 141.9 |  | 97.9
Intangible assets acquired |  |  |  | 48.1 |  |
Trade names |  |  |  |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |  |
Gross Carrying Value | 69.9 |  |  | 69.9 |  | 53.1
Accumulated Amortization | (23.3) |  |  | (23.3) |  | (21.2)
Net Intangible Assets | 46.6 |  |  | 46.6 |  | 31.9
Intangible assets acquired |  |  |  | 15.7 |  |
Acquired technology |  |  |  |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |  |
Gross Carrying Value | 37.0 |  |  | 37.0 |  | 32.6
Accumulated Amortization | (17.9) |  |  | (17.9) |  | (15.7)
Net Intangible Assets | $ 19.1 |  |  | 19.1 |  | $ 16.9
Intangible assets acquired |  |  |  | 3.5 |  |
L.B. White |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Acquisitions |  | $ 25.7 |  |  |  |
Climate by Design |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Acquisitions |  |  |  | 23.6 |  |
AbsolutAire |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Acquisitions |  |  |  | $ 1.1 |  |

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