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Leases (Summary of Leases) (Details)
Sep. 30, 2019
Leases [Abstract]  
Weighted average remaining lease term, operating leases 7 years 11 months 19 days
Weighted average remaining lease term, finance leases 5 years 11 months 1 day
Weighted average discount rate, operating leases 4.75%
Weighted average discount rate, financing leases 10.40%