Income Taxes (Detail Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefits	$ 28.9		$ 28.9		$ 8.8
Unrecognized tax benefit that would impact the company's effective tax rate	$ 28.9		$ 28.9
Effective income tax rate	15.50%	19.10%	19.80%	18.20%