LEASES - Additional Information (Detail) $ in Millions		12 Months Ended
	May 01, 2018	Dec. 31, 2023 USD ($) option facility	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Operating Leased Assets [Line Items]
Number of facilities leased | facility		3
Lease expense | $		$ 61.6	$ 58.6	$ 59.5
Net cash paid included in operating activities in cash flow | $		$ 46.5	$ 43.1
Operating lease, weighted average remaining lease term		9 years	10 years
Operating lease, weighted-average discount rate		8.00%	8.00%
BMR-675 West Kendall Lease
Operating Leased Assets [Line Items]
Lease term	15 years
Number of lease extension options		2
Operating lease renewal options period		5 years
Third Street Lease
Operating Leased Assets [Line Items]
Number of lease extension options		2
Operating lease renewal options period		5 years
101 Main Street Leases
Operating Leased Assets [Line Items]
Number of lease extension options		1
Operating lease renewal options period		5 years