CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 84.1	$ 42.7	$ 168.9	$ 86.6
Other comprehensive income (loss), net of tax:
Net gain (loss) on derivative instruments, net of tax of $0.0, $0.8, $(0.2) and $1.2, respectively	0.2	(2.5)	0.8	(3.7)
Pension and postretirement benefits, net of tax of $(0.4), $(0.3), $(0.7) and $(0.6), respectively	0.9	0.8	1.9	1.6
Foreign currency translation	(6.2)	4.8	(5.0)	2.7
Total other comprehensive (loss) income, net of tax	(5.1)	3.1	(2.3)	0.6
Comprehensive income, net of tax	$ 79.0	$ 45.8	$ 166.6	$ 87.2