Revenue and Segment Disclosures Revenue classified by timing of recognition (Details) - USD ($) $ in Millions	3 Months Ended
	May 31, 2023	May 31, 2022
Revenue classified by timing of recognition [Line Items]
Revenues	$ 373.0	$ 168.0
Products and services transferred over time
Revenue classified by timing of recognition [Line Items]
Revenues	85.0	97.0
Products and services transferred at a point in time
Revenue classified by timing of recognition [Line Items]
Revenues	$ 288.0	$ 71.0