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Leases (Narrative) (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Facilities
Jun. 30, 2020
USD ($)
Property Subject to or Available for Operating Lease [Line Items]    
Number of facilities financed under operating leases | Facilities 24  
Residual values $ 2.3  
Total net investment in sales type leases 5.3 $ 3.9
Current portion Sales type leases 0.8 0.7
Long term portion sales type leases $ 4.5 $ 3.2
Minimum [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Lease term 3 years  
Maximum [Member]    
Property Subject to or Available for Operating Lease [Line Items]    
Lease term 10 years