REVENUES FROM CONTRACTS WITH CUSTOMERS - Narrative (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Contract liability	$ 9.7		$ 9.7		$ 8.8
Contract acquisition costs weighted average estimated period			6 years 6 months
Amortized deferred sales incentive cost	$ 3.1	$ 2.6	$ 6.1	$ 5.2