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Goodwill and Intangible Assets | 6 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets |
Goodwill and Intangible Assets | Note 14: Goodwill and Intangible Assets The following table presents a roll forward of the carrying value of goodwill from March 31, 2025 to September 30, 2025. ​
​ | ​ | ​ | ​
​ |  | Climate Solutions
Goodwill, March 31, 2025 | ​ | $ | 233.9
Acquisitions (a) | ​ |  | 50.4
Effect of exchange rate changes | ​ |  | 6.4
Goodwill, September 30, 2025 | ​ | $ | 290.7
____ | ​ | ​ | ​
​
(a) | During the first six months of fiscal 2026, the Company recorded $25.7 million, $23.6 million, and $1.1 million of goodwill in connection with its acquisition of L.B. White, Climate by Design, and AbsolutAire, respectively. See Note 2 for additional information.
​ Intangible assets consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025 | ​ | March 31, 2025
​ |  | Gross |  | ​ | ​ |  | Net |  | Gross |  |  | ​ |  | Net
​ | ​ | Carrying | ​ | Accumulated | ​ | Intangible | ​ | Carrying | ​ | Accumulated | ​ | Intangible
​ | ​ | Value | ​ | Amortization | ​ | Assets | ​ | Value | ​ | Amortization | ​ | Assets
Customer relationships | ​ | $ | 198.4 | ​ | $ | (56.5) | ​ | $ | 141.9 | ​ | $ | 145.4 | ​ | $ | (47.5) | ​ | $ | 97.9
Trade names | ​ |  | 69.9 | ​ | ​ | (23.3) | ​ | ​ | 46.6 | ​ |  | 53.1 | ​ |  | (21.2) | ​ |  | 31.9
Acquired technology | ​ |  | 37.0 | ​ | ​ | (17.9) | ​ | ​ | 19.1 | ​ |  | 32.6 | ​ |  | (15.7) | ​ |  | 16.9
Total intangible assets | ​ | $ | 305.3 | ​ | $ | (97.7) | ​ | $ | 207.6 | ​ | $ | 231.1 | ​ | $ | (84.4) | ​ | $ | 146.7
​ In connection with its acquisitions of three businesses during the first half of fiscal 2026, the Company recorded customer relationship, trade name, and acquired technology intangible assets totaling $48.1 million, $15.7 million, and $3.5 million, respectively. ​ The Company recorded amortization expense of $4.9 million and $6.9 million for the three months ended September 30, 2025 and 2024, respectively. The Company recorded amortization expense of $10.6 million and $13.8 million for the six months ended September 30, 2025 and 2024, respectively. The Company estimates that it will record approximately $10.0 million of amortization expense during the remainder of fiscal 2026. The Company estimates that it will record approximately $21.0 million, $21.0 million, $20.0 million, $19.0 million, and $19.0 million of annual amortization expense in fiscal 2027 through 2031, respectively.

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