INTANGIBLE ASSETS - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 14.0	$ 14.3	$ 28.7
Finite-Lived Intangible Assets, Amortization Expense, 2021	13.0
Finite-Lived Intangible Assets, Amortization Expense, 2022	13.0
Finite-Lived Intangible Assets, Amortization Expense, 2023	13.0
Finite-Lived Intangible Assets, Amortization Expense, 2024	$ 13.0
Intangible assets, estimated weighted average useful life	13 years 7 months 6 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated weighted average useful life	13 years 7 months 6 days
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated weighted average useful life	5 years
Trade names
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated weighted average useful life	15 years
Technology
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated weighted average useful life	10 years
Licenses
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated weighted average useful life	10 years 6 months
Intangible Assets, Amortization Period
Finite-Lived Intangible Assets [Line Items]
Amortization expense			$ 12.0