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Summary Of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Summary Of Significant Accounting Policies [Abstract] |
Schedule Of Weighted Average Lives Of Property And Equipment |
Buildings and building improvements | 15.1 | yrs.
Transportation equipment | 4.6 |
Machinery and equipment | 5.2 |
Computer software | 4.2 |
Furniture and fixtures | 4.6 |
Schedule Of Movement In Goodwill |
|  |  |  |  | Roto- |  |  |
|  | Vitas |  | Rooter |  | Total
Balance at December 31, 2017 |  | $ | 328,301 |  | $ | 148,586 |  | $ | 476,887
Business combinations |  |  | 5,030 |  |  | 28,780 |  |  | 33,810
Foreign currency adjustments |  |  | - |  |  | (127) |  |  | (127)
Balance at December 31, 2018 |  | $ | 333,331 |  | $ | 177,239 |  | $ | 510,570
Business combinations |  |  | - |  |  | 66,726 |  |  | 66,726
Foreign currency adjustments |  |  | - |  |  | 71 |  |  | 71
Balance at December 31, 2019 |  | $ | 333,331 |  | $ | 244,036 |  | $ | 577,367
Weighted Average Lives Of Identifiable, Definite-Lived Intangible Assets |
Covenants not to compete | 6.4 | yrs.
Reacquired franchise rights | 7.4 |
Referral networks | 10.0 |
Customer lists | 16.8 |

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