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PROPERTY, PLANT AND EQUIPMENT - Components of Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,283,278	$ 1,173,021
Less: accumulated depreciation and amortization	(878,701)	(811,474)
Property, plant and equipment, net	404,577	361,547
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	25,490	24,224
Landfills
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	544,663	513,548
Landfill operating lease contracts
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	121,877	114,462
Building and Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	150,885	140,155
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	153,222	139,029
Rolling Stock
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	163,758	138,102
Containers
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 123,383	$ 103,501

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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+ 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

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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