Property and Equipment, Net (Property and Equipment) (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 4,278,729	$ 3,927,171
Less accumulated depreciation and depletion	(1,540,441)	(1,332,966)
Property and equipment net	2,738,288	2,594,205
Landfill Site Costs [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	2,379,535	2,209,749
Rolling Stock [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	754,662	669,133
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	433,230	403,472
Containers [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	323,953	289,626
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	377,488	335,376
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 9,861	$ 19,815