Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

The estimated useful lives of our property and equipment are as follows:

Buildings and improvements	7 - 40 years
Vehicles	5 - 12 years
Landfill equipment	5 - 7 years
Other equipment	3 - 15 years
Furniture and fixtures	10 years

A summary of property and equipment as of December 31 follows:

	2014			2013
Land	$	401.3		$	377.6
Non-depletable landfill land	162.2			164.2
Landfill development costs	5,645.3			5,392.7
Vehicles and equipment	5,834.1			5,403.7
Buildings and improvements	1,002.3			935.6
Construction-in-progress - landfill	140.8			72.5
Construction-in-progress - other	10.1			13.3
	$	13,196.1		$	12,359.6
Less: accumulated depreciation, depletion and amortization
Landfill development costs	$	(2,437.4	)	$	(2,160.2	)
Vehicles and equipment	(3,273.3		)	(2,883.8		)
Buildings and improvements	(320.1		)	(278.8		)
	(6,030.8		)	(5,322.8		)
Property and equipment, net	$	7,165.3		$	7,036.8