Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 839.5	$ 698.1	$ 630.6
Other comprehensive income (loss), net:
Foreign currency translation adjustments	56.7	(46.8)	(59.4)
Pension and post-retirement liability adjustment, net of tax benefit (provision) of $(0.4), $0.4 and $(0.1) for the years ended June 30, 2025, 2024 and 2023, respectively	1.3	(1.1)	0.2
Cash flow hedge amortization, net of taxes of $(0.3), $(0.3), and $(0.3) for the years ended June 30, 2025, 2024 and 2023, respectively	0.8	0.8	0.8
Total other comprehensive income (loss), net	58.8	(47.0)	(58.4)
Comprehensive income	$ 898.3	$ 651.1	$ 572.2