Revenue (Total Reported Revenues by Service Line) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue from External Customer [Line Items]
Revenues	$ 1,352,404	$ 1,244,637
Operating Segments [Member] | Solid Waste Collection [Member]
Revenue from External Customer [Line Items]
Revenues	989,009	891,353
Operating Segments [Member] | Commercial [Member] | Solid Waste Collection [Member]
Revenue from External Customer [Line Items]
Revenues	416,507	381,509
Operating Segments [Member] | Residential [Member] | Solid Waste Collection [Member]
Revenue from External Customer [Line Items]
Revenues	365,731	322,404
Operating Segments [Member] | Industrial and Construction Roll Off [Member] | Solid Waste Collection [Member]
Revenue from External Customer [Line Items]
Revenues	206,771	187,440
Operating Segments [Member] | Landfill [Member]
Revenue from External Customer [Line Items]
Revenues	266,218	244,601
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Revenues	180,765	161,191
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Revenues	18,108	19,804
Operating Segments [Member] | E&P [Member]
Revenue from External Customer [Line Items]
Revenues	65,377	66,830
Operating Segments [Member] | Intermodal and Other [Member]
Revenue from External Customer [Line Items]
Revenues	30,018	32,837
Intercompany Revenue [Member]
Revenue from External Customer [Line Items]
Revenues	$ (197,091)	$ (171,979)