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Leases (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Operating lease expense $ 0.8 $ 1.0 $ 1.8 $ 1.9
Short-term Lease [Member]        
Operating lease expense $ 1.3 $ 0.9 $ 2.6 $ 2.0
Minimum [Member]        
Operating leases have a remaining lease term     1 year  
Maximum [Member]        
Operating leases have a remaining lease term     5 years