MANDATORILY REDEEMABLE FINANCIAL INTERESTS AND REDEEMABLE NONCONTROLLING INTERESTS - Mandatorily Redeemable Financial Interest (Details) - USD ($) $ in Millions	Sep. 30, 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	$ 7.5	$ 8.8

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