COMMITMENTS AND CONTINGENCIES - Narrative (Details) R$ in Millions, $ in Millions		12 Months Ended
	Apr. 21, 2016 USD ($)	Mar. 31, 2021 USD ($) tax_assessment	Mar. 31, 2021 BRL (R$) tax_assessment	Mar. 31, 2019 USD ($)
Loss Contingencies [Line Items]
Inventory impairment and other				$ 84.0
Assessment of Sales and Import Taxes | Malaysia | Foreign Tax Authority
Loss Contingencies [Line Items]
Sales and import taxes, number of tax assessments | tax_assessment		6	6
Sales and import taxes, estimate of possible loss		$ 66.8	R$ 387.5
Intercompany Payment Deductibility | Foreign Tax Authority
Loss Contingencies [Line Items]
Sales and import taxes, estimate of possible loss		162.5
Intercompany Payment Deductibility | Malaysia | Foreign Tax Authority
Loss Contingencies [Line Items]
Sales and import taxes, estimate of possible loss		80.0
Pending Litigation | Assessment of Sales and Import Taxes | Malaysia | Foreign Tax Authority
Loss Contingencies [Line Items]
Sales and import taxes, estimate of possible loss		10.6	61.7
Sales and import taxes, estimate of possible loss unsuccessful		$ 6.5	R$ 37.6
SunEdison, Inc Filed Chapter 11 | Pending Litigation | Collectibility of Receivables
Loss Contingencies [Line Items]
Inventory received	$ 98.6
Cash received	69.2
SunEdison, Inc
Loss Contingencies [Line Items]
Inventory impairment and other	61.0
Sales returns recognized	$ 90.0