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Long-Term Debt And Lease Liabilities (Schedule Of Weighted Average Remaining Lease Term And Discount Rate) (Q3) (Details)
Sep. 30, 2020
Dec. 31, 2019
Long-Term Debt And Lease Liabilities [Abstract]    
Weighted average remaining lease term, Operating Leases 10 months 24 days 8 months 12 days
Weighted average discount rate, Operating Leases 3.75% 6.00%
Weighted average remaining lease term, Finance Leases 1 year 1 month 6 days 10 months 24 days
Weighted average discount rate, Finance Leases 5.35% 5.60%