GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Finite-Lived Intangible Assets (Detail)	12 Months Ended
	Dec. 31, 2018
Customer relationships
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, weighted average remaining useful life	9 years 2 months 12 days
Customer relationships | Minimum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	5 years
Customer relationships | Maximum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	25 years
Covenants not-to-compete
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, weighted average remaining useful life	2 years 10 months 24 days
Covenants not-to-compete | Minimum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	5 years
Covenants not-to-compete | Maximum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	14 years
Tradenames
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, weighted average remaining useful life	17 years 7 months 6 days
Tradenames | Minimum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	4 years
Tradenames | Maximum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	40 years
Landfill air rights
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, weighted average remaining useful life	13 years 4 months 24 days
Landfill air rights | Minimum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	5 years
Landfill air rights | Maximum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, estimated useful lives	26 years