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Revenue Recognition (Schedule Of Disaggregated Revenue) (Details) - Roto-Rooter [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Subtotal | $ 159,825 | $ 144,035 | $ 479,733 | $ 439,760
Implicit price concessions and credit memos | (960) | (1,648) | (4,781) | (5,197)
Net revenue | 158,865 | 142,387 | 474,952 | 434,563
Short-Term Core Service Jobs [Member] |  |  |  |
Subtotal | 115,135 | 102,346 | 341,337 | 311,518
Water Restoration [Member] |  |  |  |
Subtotal | 25,738 | 25,001 | 81,629 | 77,502
Contractor Revenue [Member] |  |  |  |
Subtotal | 14,342 | 12,219 | 42,931 | 36,950
Franchise Fees [Member] |  |  |  |
Subtotal | 1,819 | 1,593 | 5,063 | 4,758
Other [Member] |  |  |  |
Subtotal | $ 2,791 | $ 2,876 | $ 8,773 | $ 9,032

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