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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Mar. 31, 2020
State and Local Taxes and Surcharges    
Lessee, Lease, Description [Line Items]    
Accrued contingent indirect tax liabilities $ 3.1 $ 4.5
Third-Party Customer Support Commitments    
Lessee, Lease, Description [Line Items]    
Other commitment $ 18.6