CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 84.8	$ 43.9
Other comprehensive income (loss), net of tax:
Net gain (loss) on derivative instruments, net of tax of $(0.2), $0.4, respectively	0.6	(1.2)
Pension and postretirement benefits, net of tax of $(0.3), $(0.3), respectively	1.0	0.8
Foreign currency translation	1.2	(2.1)
Total other comprehensive income (loss), net of tax	2.8	(2.5)
Comprehensive income, net of tax	$ 87.6	$ 41.4