CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 122.5	$ 84.8
Other comprehensive income (loss), net of tax:
Net gain on derivative instruments, net of tax of $(0.1) and $(0.2), respectively	0.3	0.6
Pension and postretirement benefits, net of tax of $(0.1) and $(0.3), respectively	0.4	1.0
Foreign currency translation	(0.5)	1.2
Total other comprehensive income, net of tax	0.2	2.8
Comprehensive income, net of tax	$ 122.7	$ 87.6