Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income tax benefit	$ 10.4	$ 18.9
Income tax benefit as a percent of pre-tax loss	41.30%	28.60%
Tax benefit associated with debt prepayment costs		$ 2.0
Tax benefit related to the impact of restructuring charges		$ 2.4
Tax benefit attributable to employee share-based compensation	$ 0.4
Operating loss carryforward, income tax benefit, CARES act	$ 7.0