GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) reportingUnit	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Number of reporting units | reportingUnit	3
Amortization expense of permits and other intangible assets | $	$ 34.7	$ 35.8	$ 35.2
Costs of intangible assets written-off | $	$ 39.9
Environmental Services
Goodwill [Line Items]
Number of reporting units | reportingUnit	2