Revenue (Total Reported Revenues by Service Line) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue from External Customer [Line Items]
Revenues	$ 1,239,968	$ 1,175,569	$ 2,380,099	$ 2,266,835
Collection [Member]
Revenue from External Customer [Line Items]
Revenues	854,719	797,132	1,664,366	1,565,478
Collection [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Revenues	360,364	333,072	710,718	662,149
Collection [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Revenues	297,076	284,417	581,901	559,425
Collection [Member] | Industrial and Construction Roll Off [Member]
Revenue from External Customer [Line Items]
Revenues	197,279	179,643	371,747	343,904
Landfills [Member]
Revenue from External Customer [Line Items]
Revenues	271,674	261,140	504,111	482,646
Transfer [Member]
Revenue from External Customer [Line Items]
Revenues	168,863	155,035	307,355	290,555
Recycling [Member]
Revenue from External Customer [Line Items]
Revenues	22,703	43,693	46,188	87,581
E&P [Member]
Revenue from External Customer [Line Items]
Revenues	62,663	50,043	121,022	89,864
Intermodal and Other [Member]
Revenue from External Customer [Line Items]
Revenues	37,324	35,432	71,327	69,197
Intercompany Revenue [Member]
Revenue from External Customer [Line Items]
Revenues	$ (177,978)	$ (166,906)	$ (334,270)	$ (318,486)