CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 43.9	$ (6.9)
Other comprehensive income (loss), net of tax:
Pension and postretirement benefits, net of tax of $(0.3) and $(0.5), respectively	0.8	1.0
Net loss on derivative instruments, net of tax of $0.4 and $1.6, respectively	(1.2)	(5.3)
Foreign currency translation	(2.1)	(3.3)
Total other comprehensive loss, net of tax	(2.5)	(7.6)
Comprehensive income (loss), net of tax	$ 41.4	$ (14.5)