Leases (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Operating lease expense	$ 0.9	$ 1.1	$ 2.7	$ 2.9
Short-term Lease [Member]
Operating lease expense	$ 1.3	$ 1.0	$ 3.9	$ 3.1
Minimum [Member]
Operating leases have a remaining lease term			1 year
Maximum [Member]
Operating leases have a remaining lease term			5 years