Segment Information - Summary of segment assets (Details) - USD ($) $ in Millions	Jun. 30, 2026	Mar. 31, 2026
Segment Information
Total assets	$ 2,795.4	$ 2,674.6
Other
Segment Information
Total assets	1,526.5	1,437.5
Operating segments \| Data Centers
Segment Information
Total assets	513.0	496.2
Operating segments \| Commercial HVAC
Segment Information
Total assets	358.6	338.3
Operating segments \| Performance Technologies
Segment Information
Total assets	$ 397.3	$ 402.6

Amount of asset recognized for present right to economic benefit.

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+ Details