Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Weighted Average Lives Of Property And Equipment

Buildings and building improvements	12.1	yrs.
Transportation equipment	11.0
Machinery and equipment	5.2
Computer software	4.6
Furniture and fixtures	4.8

Schedule of movement in Goodwill

				Roto-
		Vitas		Rooter		Total
Balance at December 31, 2015	$	328,301	$	144,021	$	472,322
Foreign currency adjustments		-		44		44
Balance at December 31, 2016	$	328,301	$	144,065	$	472,366
Business combinations		-		4,396		4,396
Foreign currency adjustments		-		125		125
Balance at December 31, 2017	$	328,301	$	148,586	$	476,887

Weighted Average Lives Of Identifiable, Definite-Lived Intangible Assets

Covenants not to compete	6.5	yrs.
Reacquired franchise rights	5.9
Referral networks	10.0
Customer lists	13.3