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v3.25.3

Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Mar. 31, 2025
Lease assets and liabilities |  |  |  |  |  |
Operating lease ROU assets |  | $ 107.1 |  | $ 107.1 |  | $ 97.2
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  | Other Assets, Noncurrent |  | Other Assets, Noncurrent |  | Other Assets, Noncurrent
Finance lease ROU assets | [1] | $ 7.0 |  | $ 7.0 |  | $ 6.9
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | [1] | Property, Plant and Equipment, Net |  | Property, Plant and Equipment, Net |  | Property, Plant and Equipment, Net
Operating lease liabilities, current |  | $ 20.7 |  | $ 20.7 |  | $ 18.0
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities, Current |  | Other Liabilities, Current |  | Other Liabilities, Current
Operating lease liabilities, noncurrent |  | $ 86.7 |  | $ 86.7 |  | $ 80.6
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities, Noncurrent |  | Other Liabilities, Noncurrent |  | Other Liabilities, Noncurrent
Finance lease liabilities, current |  | $ 0.5 |  | $ 0.5 |  | $ 0.5
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Long-Term Debt and Lease Obligation, Current |  | Long-Term Debt and Lease Obligation, Current |  | Long-Term Debt and Lease Obligation, Current
Finance lease liabilities, noncurrent |  | $ 2.1 |  | $ 2.1 |  | $ 2.2
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Long-Term Debt and Lease Obligation |  | Long-Term Debt and Lease Obligation |  | Long-Term Debt and Lease Obligation
Accumulated amortization |  | $ 4.6 |  | $ 4.6 |  | $ 4.2
Lease costs |  |  |  |  |  |
Operating lease expense | [2] | 10.5 | $ 7.7 | 20.2 | $ 14.6 |
Finance lease expense: Depreciation of ROU assets |  | 0.2 | 0.2 | 0.3 | 0.3 |
Finance lease expense: Interest on lease liabilities |  | 0.1 | 0.1 | 0.1 | 0.1 |
Total lease expense |  | 10.8 | 8.0 | 20.6 | 15.0 |
Short-term lease expense |  | $ 2.6 | $ 1.8 | $ 5.0 | $ 3.1 |
Manufacturing Facility [Member] |  |  |  |  |  |
Leases [Abstract] |  |  |  |  |  |
Term of operating lease |  | 7 years |  | 7 years |  |
Total future lease payments |  | $ 44.0 |  | $ 44.0 |  |
[1] | Finance right of use (“ROU”) assets were recorded net of accumulated amortization of $4.6 million and $4.2 million as of September 30, 2025 and March 31, 2025, respectively.
[2] | For the three and six months ended September 30, 2025, operating lease expense included short-term lease expense of $2.6 million and $5.0 million, respectively. For the three and six months ended September 30, 2024, operating lease expense included short-term lease expense of $1.8 million and $3.1 million, respectively. Variable lease expense was not significant.

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