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Leases - Lease Term and Discount Rates (Details)
Jun. 30, 2019
Weighted-Average Remaining Lease Term (Years)  
Operating Leases 5 years 10 months 24 days
Finance Leases 7 years 10 months 24 days
Weighted-Average Discount Rate  
Operating Leases 4.40%
Finance Leases 5.01%