Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 5.4	$ (0.8)	$ 5.9	$ (16.8)
Income tax benefit as a percent of pre-tax income (loss)	(22.50%)	(9.60%)	(24.70%)	(24.50%)
Discrete tax benefits associated with legislative changes	$ 0.2		$ 0.6	$ 0.5