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REVENUE AND RECEIVABLES - Remaining Performance Obligation Additional Information (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01
Sep. 30, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Revenue remaining performance obligation expected timing (percentage) 80.00%
Expected timing of satisfaction (in years) 2 years