Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2011

Property and Equipment, Net [Abstract]

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


	2011			2010
Other land	$	375.1		$	391.9
Non-depletable landfill land		161.8			158.0
Landfill development costs		4,763.3			4,575.2
Vehicles and equipment		4,515.1			4,142.1
Buildings and improvements		802.8			768.5
Construction-in-progress-landfill		187.3			133.2
Construction-in-progress-other		47.3			27.2

		10,852.7			10,196.1

Less: Accumulated depreciation, depletion and amortization:
Landfill development costs		(1,735.7	)		(1,504.6	)
Vehicles and equipment		(2,119.1	)		(1,820.6	)
Buildings and improvements		(205.6	)		(172.4	)

		(4,060.4	)		(3,497.6	)

Property and equipment, net	$	6,792.3		$	6,698.5

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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