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Leases (Supplemental Lease-Related Information) (Details)
Sep. 30, 2020
Leases [Abstract]  
Weighted average remaining lease term, Operating leases 5 years 6 months
Weighted average remaining lease term, Finance leases 2 years 1 month 6 days
Weighted average discount rate, Operating leases 3.20%
Weighted average discount rate, Finance leases 3.00%