Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 22.5	$ 28.1	$ 54.8	$ 21.8
Other comprehensive income (loss), net of tax:
Currency translation adjustments	(0.5)	0.2	(5.0)	2.5
Pension and other post-retirement plans, net of tax of $0.7 and $0.1 for the three months ended February 28, 2022 and 2021, respectively, and $0.8 and $(0.3) for the nine months ended February 28, 2022 and 2021, respectively	2.6	0.4	3.2	(0.3)
Other comprehensive income (loss), net of tax	2.1	0.6	(1.8)	2.2
Comprehensive income	$ 24.6	$ 28.7	$ 53.0	$ 24.0