Segment Reporting (Total Reported Revenues by Service Line) (Detail) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue from External Customer [Line Items]
Revenues		$ 1,048,622	$ 1,084,922	$ 727,639	$ 514,680	$ 531,937	$ 547,938	$ 531,312	$ 506,100	$ 3,375,863	$ 2,117,287	$ 2,079,166
Percentage of reported revenue										100.00%	100.00%	100.00%
Solid Waste Collection
Revenue from External Customer [Line Items]
Revenues										$ 2,352,047	$ 1,374,056	$ 1,286,313
Percentage of reported revenue										69.70%	64.90%	61.90%
Solid Waste Disposal and Transfer
Revenue from External Customer [Line Items]
Revenues										$ 712,388	$ 415,169	$ 381,310
Percentage of reported revenue										21.10%	19.60%	18.30%
Solid Waste Recycling
Revenue from External Customer [Line Items]
Revenues										$ 85,515	$ 46,368	$ 56,108
Percentage of reported revenue										2.50%	2.20%	2.70%
E&P Waste Treatment, Recovery and Disposal [Member]
Revenue from External Customer [Line Items]
Revenues										$ 120,200	$ 215,373	$ 310,072
Percentage of reported revenue										3.60%	10.20%	14.90%
Intermodal and Other
Revenue from External Customer [Line Items]
Revenues										$ 105,713	$ 66,321	$ 45,363
Percentage of reported revenue										3.10%	3.10%	2.20%
Intercompany Revenues [Member]
Revenue from External Customer [Line Items]
Revenues	[1]									$ (470,465)	$ (273,903)	$ (259,352)
Intercompany Revenues [Member] | Solid Waste Collection
Revenue from External Customer [Line Items]
Revenues										(7,766)	(4,623)	(3,593)
Intercompany Revenues [Member] | Solid Waste Disposal and Transfer
Revenue from External Customer [Line Items]
Revenues										(443,022)	(255,200)	(235,851)
Intercompany Revenues [Member] | Solid Waste Recycling
Revenue from External Customer [Line Items]
Revenues										(6,941)	(924)	(2,118)
Intercompany Revenues [Member] | E&P Waste Treatment, Recovery and Disposal [Member]
Revenue from External Customer [Line Items]
Revenues										(12,086)	(13,156)	(16,862)
Intercompany Revenues [Member] | Intermodal and Other
Revenue from External Customer [Line Items]
Revenues										(650)		(928)
Operating Segments [Member]
Revenue from External Customer [Line Items]
Revenues										3,846,328	2,391,190	2,338,518
Operating Segments [Member] | Solid Waste Collection
Revenue from External Customer [Line Items]
Revenues										2,359,813	1,378,679	1,289,906
Operating Segments [Member] | Solid Waste Disposal and Transfer
Revenue from External Customer [Line Items]
Revenues										1,155,410	670,369	617,161
Operating Segments [Member] | Solid Waste Recycling
Revenue from External Customer [Line Items]
Revenues										92,456	47,292	58,226
Operating Segments [Member] | E&P Waste Treatment, Recovery and Disposal [Member]
Revenue from External Customer [Line Items]
Revenues										132,286	228,529	326,934
Operating Segments [Member] | Intermodal and Other
Revenue from External Customer [Line Items]
Revenues										$ 106,363	$ 66,321	$ 46,291

[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.