INCOME TAXES - Summary of Net Operating Loss Carryforwards (Details) $ in Millions	Dec. 31, 2021 USD ($)
Operating Loss Carryforwards [Line Items]
Carryforward Amount	$ 456.6
Tax Benefit Amount	69.6
Valuation Allowance	(53.9)
Net Tax Benefit	15.7
United States federal net operating losses | United States | Carryforward Period Ends 2030-2037
Operating Loss Carryforwards [Line Items]
Carryforward Amount	17.6
Tax Benefit Amount	3.7
Valuation Allowance	0.0
Net Tax Benefit	3.7
United States federal net operating losses | United States | Carryforward Period Indefinite
Operating Loss Carryforwards [Line Items]
Carryforward Amount	11.3
Tax Benefit Amount	2.4
Valuation Allowance	0.0
Net Tax Benefit	2.4
United States federal net operating losses | United States | Carryforward Period Ends 2022
Capital Loss Carryforward [Abstract]
Carryforward Amount	34.1
Tax Benefit Amount	0.2
Valuation Allowance	(0.2)
Net Tax Benefit	0.0
United States state net operating losses | United States | Carryforward Period Indefinite
Operating Loss Carryforwards [Line Items]
Carryforward Amount	1.0
Tax Benefit Amount	0.1
Valuation Allowance	(0.1)
Net Tax Benefit	0.0
United States state net operating losses | United States | Carryforward Period Ends 2026-2039
Operating Loss Carryforwards [Line Items]
Carryforward Amount	33.5
Tax Benefit Amount	1.6
Valuation Allowance	(1.6)
Net Tax Benefit	0.0
Non-United States net operating losses | International | Carryforward Period Indefinite
Operating Loss Carryforwards [Line Items]
Carryforward Amount	353.3
Tax Benefit Amount	60.1
Valuation Allowance	(50.8)
Net Tax Benefit	9.3
Non-United States net operating losses | International | Carryforward Period Ends 2020-2027
Operating Loss Carryforwards [Line Items]
Carryforward Amount	5.8
Tax Benefit Amount	1.5
Valuation Allowance	(1.2)
Net Tax Benefit	$ 0.3