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MANDATORILY REDEEMABLE FINANCIAL INTERESTS AND REDEEMABLE NONCONTROLLING INTERESTS - Mandatorily Redeemable Financial Interest (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Jun. 30, 2020
United Arab Emirates Joint Venture    
Noncontrolling Interest [Line Items]    
Ownership percentage by noncontrolling owners 25.00%  
United Arab Emirates Joint Venture    
Noncontrolling Interest [Line Items]    
Mandatorily redeemable financial instrument, noncontrolling interest $ 7.0 $ 8.8