DEBT - Total Net Leverage Ratio (Details)	Apr. 29, 2020 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Immediate liquidity		$ 2,376,800,000
Line of Credit
Debt Instrument [Line Items]
Quarterly minimum liquidity covenant	$ 350,000,000.0		$ 500,000,000.0
June 30, 2021 through December 31, 2021
Debt Instrument [Line Items]
Net leverage ratio	5.25
March 31, 2022
Debt Instrument [Line Items]
Net leverage ratio	5.00
June 30, 2022
Debt Instrument [Line Items]
Net leverage ratio	4.75
September 30, 2022
Debt Instrument [Line Items]
Net leverage ratio	4.50
December 31, 2022
Debt Instrument [Line Items]
Net leverage ratio	4.25
March 31, 2023 through June 30, 2023
Debt Instrument [Line Items]
Net leverage ratio	4.00