GOODWILL AND INTANGIBLE ASSETS, NET - Narrative (Details) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($) reporting_unit	Jun. 30, 2022 USD ($) reporting_unit	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) reporting_unit	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)
Goodwill [Line Items]
Number of reporting units | reporting_unit	5	5		4
Goodwill	$ 561.2			$ 561.2		$ 562.8
Goodwill impairment charges	0.0			0.0
Indefinite-lived intangible assets impairment	0.0	$ 5.6		5.6		0.0	$ 33.1
Finite-lived intangible assets impairment	0.0	$ 18.7		18.7		0.0
Total non-cash impairment charges recorded on intangible assets	0.0		$ 0.0	24.3	$ 0.0	$ 0.0
Tax benefit	(2.8)		(5.4)	(12.1)	(23.8)
Amortization expense	7.6		$ 9.1	24.0	$ 26.1
Intangible assets
Goodwill [Line Items]
Tax benefit	$ 0.2			$ 0.2
Perpetual growth rate
Goodwill [Line Items]
Goodwill measurement input		2.00%
Minimum | Weighted-average cost of capital
Goodwill [Line Items]
Goodwill measurement input		9.50%
Maximum | Weighted-average cost of capital
Goodwill [Line Items]
Goodwill measurement input		12.00%
Mass Portfolio Reporting Unit
Goodwill [Line Items]
Goodwill								$ 0.0