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Goodwill (Tables) | 12 Months Ended
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Mar. 31, 2025
Goodwill. |
Changes in Carrying Amount of Goodwill | The Company has recast the March 31, 2024 and 2023 goodwill balances to be comparable with the current segment structure. As a result of the segment realignment in fiscal 2025, which is discussed in Note 22, the Company’s goodwill now resides entirely within the Climate Solutions segment. There was no impact to goodwill within the underlying reporting units as a result of the segment realignment. The following table presents a roll forward of the carrying value of goodwill from March 31, 2023 to March 31, 2025.
​ | ​ | ​ | ​
​ |  | Climate
​ | ​ | Solutions
Balance, March 31, 2023 | ​ | $ | 165.6
Acquisitions (a) | ​ |  | 66.2
Dispositions (b) | ​ | ​ | (0.7)
Effect of exchange rate changes | ​ |  | (0.2)
Balance, March 31, 2024 | ​ |  | 230.9
Acquisition adjustment (a) | ​ | ​ | 7.4
Effect of exchange rate changes | ​ |  | (4.4)
Balance, March 31, 2025 | ​ | $ | 233.9
____ | ​ | ​ | ​
​
(a) | During fiscal 2024, the Company recorded $65.2 million and $1.0 million of goodwill in connection with its acquisitions of Scott Springfield Manufacturing and Napps, respectively. During fiscal 2025, the Company recorded a measurement period adjustment to reduce the fair value of the acquired Scott Springfield Manufacturing trade name. This purchase accounting adjustment resulted in a $7.4 million increase in goodwill. See Note 2 for additional information.
(b) | The Company wrote-off $0.7 million of goodwill in connection with the sale of two coatings facilities. See Note 2 for additional information.

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