Property, Plant and Equipment (Tables)

12 Months Ended

Apr. 30, 2013

Components of Property, Plant and Equipment

Property, plant and equipment at April 30, 2013 and 2012 consists of the following:


	April 30,
	2013		2012
Land	$	20,722	$	21,100
Landfills		475,855		445,812
Landfill operating lease contracts		109,363		103,103
Buildings and improvements		133,330		121,344
Machinery and equipment		120,314		116,091
Rolling stock		128,038		125,033
Containers		80,447		73,416

		1,068,069		1,005,899
Less: accumulated depreciation and amortization		645,567		591,233

	$	422,502	$	414,666

- 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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