Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2021	Feb. 29, 2020
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 28.1	$ 2.3	$ 21.8	$ 20.9
Other comprehensive income, net of tax:
Currency translation adjustments	0.2	(0.1)	2.5	0.3
Pension and other post-retirement plans, net of tax of $0.1 and $0.0 for the three months ended February 28/29, 2021 and 2020, respectively, and $(0.3) and $0.1 for the nine months ended February 28/29, 2021 and 2020, respectively	0.4	0.2	(0.3)	0.7
Other comprehensive income, net of tax	0.6	0.1	2.2	1.0
Comprehensive income	$ 28.7	$ 2.4	$ 24.0	$ 21.9