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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Components of Property, Plant and Equipment

Property, plant and equipment consists of the following:

		December 31,								April 30,
		2015				2014				2014
Land		$	24,161			$	21,671			$	21,445
Landfills			536,577				513,851				496,515
Landfill operating lease contracts			125,991				120,607				115,867
Buildings and improvements			140,046				139,461				134,787
Machinery and equipment			131,384				127,359				117,193
Rolling stock			139,557				138,201				128,155
Containers			94,302				90,231				85,397
			1,192,018				1,151,381				1,099,359
Less: accumulated depreciation and amortization			789,766				736,839				695,935
		$	402,252			$	414,542			$	403,424

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph b
-Article 5

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