Legal Proceedings (Details) $ in Millions		1 Months Ended	3 Months Ended		12 Months Ended
	Sep. 19, 2023 USD ($)	Mar. 31, 2023 USD ($)	Aug. 31, 2023 USD ($)	Feb. 28, 2023 USD ($)	May 31, 2017 engine	May 31, 2016 engine	Nov. 30, 2023 USD ($)	May 31, 2023 USD ($)
Legal Proceedings
Litigation settlement, amount awarded to other party	$ 13.0	$ 1.8
Loss contingency, loss recognized in period			$ 11.2	$ 1.8
Number of engines purchased | engine					4	4
Fair market value of engines at the time of sale							$ 13.0
Amount appealed		$ 1.8
Loss contingency liability recognized							$ 13.0
Customer filed suit against claiming damages								$ 32.0