Annual report pursuant to Section 13 and 15(d)

REVENUES - Narrative (Details)

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REVENUES - Narrative (Details)
5 Months Ended 7 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Oct. 31, 2019
USD ($)
Mar. 31, 2021
USD ($)
contract
Mar. 31, 2019
USD ($)
Disaggregation of Revenue [Line Items]        
Types of contracts | contract     2  
Performance obligation term     30 days  
Revenue recognized $ 4,900,000 $ 8,500,000 $ 3,500,000 $ 12,400,000
Contract with customer, liability 4,900,000   13,300,000  
Contract with customer, asset, after allowance for credit loss 0   $ 0  
Low        
Disaggregation of Revenue [Line Items]        
Period of service     1 year  
Invoicing payment due period     60 days  
Contract termination notice period     30 days  
High        
Disaggregation of Revenue [Line Items]        
Period of service     5 years  
Invoicing payment due period     30 days  
Contract termination notice period     365 days  
Revenue        
Disaggregation of Revenue [Line Items]        
Accounts receivable $ 148,300,000   $ 167,300,000