Property and Equipment, Net (Property and Equipment) (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 6,633,606	$ 4,278,729
Less accumulated depreciation and depletion	(1,895,551)	(1,540,441)
Property and equipment net	4,738,055	2,738,288
Landfill Site Costs
Property, Plant and Equipment [Line Items]
Property and equipment gross	3,483,699	2,379,535
Rolling Stock
Property, Plant and Equipment [Line Items]
Property and equipment gross	1,297,469	754,662
Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Property and equipment gross	768,432	433,230
Containers
Property, Plant and Equipment [Line Items]
Property and equipment gross	532,477	323,953
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property and equipment gross	516,491	377,488
Construction in Progress
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 35,038	$ 9,861