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Segment Reporting (Total Reported Revenues by Service Line) (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue from External Customer [Line Items]
Revenues		$ 1,206,478	$ 1,084,922	$ 3,473,313	$ 2,327,241
Percentage of reported revenue		100.00%	100.00%	100.00%	100.00%
Solid Waste Collection [Member]
Revenue from External Customer [Line Items]
Revenues		$ 812,860	$ 757,809	$ 2,373,746	$ 1,614,256
Percentage of reported revenue		67.40%	69.90%	68.30%	69.40%
Solid Waste Disposal and Transfer [Member]
Revenue from External Customer [Line Items]
Revenues		$ 259,484	$ 233,539	$ 730,306	$ 497,620
Percentage of reported revenue		21.50%	21.50%	21.00%	21.40%
Solid Waste Recycling [Member]
Revenue from External Customer [Line Items]
Revenues		$ 41,569	$ 29,615	$ 124,216	$ 56,322
Percentage of reported revenue		3.50%	2.70%	3.60%	2.40%
E&P Waste Treatment, Recovery and Disposal [Member]
Revenue from External Customer [Line Items]
Revenues		$ 54,715	$ 30,065	$ 138,741	$ 88,031
Percentage of reported revenue		4.50%	2.80%	4.00%	3.80%
Intermodal and Other [Member]
Revenue from External Customer [Line Items]
Revenues		$ 37,850	$ 33,894	$ 106,304	$ 71,012
Percentage of reported revenue		3.10%	3.10%	3.10%	3.00%
Intercompany Revenue [Member]
Revenue from External Customer [Line Items]
Revenues	[1]	$ (165,512)	$ (153,323)	$ (483,998)	$ (327,050)
Intercompany Revenue [Member] | Solid Waste Collection [Member]
Revenue from External Customer [Line Items]
Revenues		(2,484)	(2,472)	(7,075)	(5,571)
Intercompany Revenue [Member] | Solid Waste Disposal and Transfer [Member]
Revenue from External Customer [Line Items]
Revenues		(157,280)	(144,459)	(459,659)	(307,308)
Intercompany Revenue [Member] | Solid Waste Recycling [Member]
Revenue from External Customer [Line Items]
Revenues		(2,295)	(2,523)	(7,229)	(4,554)
Intercompany Revenue [Member] | E&P Waste Treatment, Recovery and Disposal [Member]
Revenue from External Customer [Line Items]
Revenues		(3,082)	(3,608)	(8,921)	(9,228)
Intercompany Revenue [Member] | Intermodal and Other [Member]
Revenue from External Customer [Line Items]
Revenues		(371)	(261)	(1,114)	(389)
Reportable Segments [Member]
Revenue from External Customer [Line Items]
Revenues		1,371,990	1,238,245	3,957,311	2,654,291
Reportable Segments [Member] | Solid Waste Collection [Member]
Revenue from External Customer [Line Items]
Revenues		815,344	760,281	2,380,821	1,619,827
Reportable Segments [Member] | Solid Waste Disposal and Transfer [Member]
Revenue from External Customer [Line Items]
Revenues		416,764	377,998	1,189,965	804,928
Reportable Segments [Member] | Solid Waste Recycling [Member]
Revenue from External Customer [Line Items]
Revenues		43,864	32,138	131,445	60,876
Reportable Segments [Member] | E&P Waste Treatment, Recovery and Disposal [Member]
Revenue from External Customer [Line Items]
Revenues		57,797	33,673	147,662	97,259
Reportable Segments [Member] | Intermodal and Other [Member]
Revenue from External Customer [Line Items]
Revenues		$ 38,221	$ 34,155	$ 107,418	$ 71,401
[1] Intercompany revenues reflect each segment's total intercompany sales, including intercompany sales within a segment and between segments. Transactions within and between segments are generally made on a basis intended to reflect the market value of the service.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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