Revenue and Segment Disclosures Revenue classified by timing of recognition (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Revenue classified by timing of recognition [Line Items]
Revenues	$ 143.0	$ 152.0	$ 391.0	$ 606.0
Products and services transferred over time
Revenue classified by timing of recognition [Line Items]
Revenues	62.0	60.0	182.0	179.0
Products and services transferred at a point in time
Revenue classified by timing of recognition [Line Items]
Revenues	$ 81.0	$ 92.0	$ 209.0	$ 427.0