Property, Plant and Equipment

12 Months Ended

Apr. 30, 2014

Property Plant And Equipment [Abstract]

6.	PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment as of April 30, 2014 and 2013 consists of the following:


	April 30,
	2014		2013
Land	$	21,445	$	20,722
Landfills		496,515		475,855
Landfill operating lease contracts		115,867		109,363
Buildings and improvements		134,787		133,330
Machinery and equipment		117,193		120,314
Rolling stock		128,155		128,038
Containers		85,397		80,447

		1,099,359		1,068,069
Less: accumulated depreciation and amortization		695,935		645,567

	$	403,424	$	422,502

Depreciation expense for fiscal years 2014, 2013 and 2012 was $33,094, $34,065 and $37,829, respectively. Landfill amortization expense for fiscal years 2014, 2013 and 2012 was $24,689, $21,206 and $19,957, respectively. Depletion expense on landfill operating lease contracts for fiscal years 2014, 2013 and 2012 was $9,948, $9,372 and $8,482, respectively, and was recorded in cost of operations.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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