SHARE-BASED COMPENSATION - Additional Information (Details) $ / shares in Units, $ in Millions	9 Months Ended
Dec. 31, 2019 USD ($) $ / shares shares
Restricted Stock Units, Share Bonus Awards with Market Conditions, and Share Bonus Awards With Free Cash Flow Targets
Share-based compensation
Unvested share bonus awards granted (in shares)	8,200,000
Number of shares outstanding (in shares)	17,000,000.0
Unrecognized compensation expense \| $	$ 139.5
Share weighted-average remaining vesting period	2 years 4 months 24 days
Restricted Stock Units
Share-based compensation
Unvested share bonus awards granted (in shares)	6,400,000
Vesting period	4 years
Average grant date price of unvested share bonus awards (in usd per share) \| $ / shares	$ 9.22
Share Bonus Awards with Market Conditions
Share-based compensation
Average grant date price of unvested share bonus awards (in usd per share) \| $ / shares	$ 11.92
Number of shares outstanding (in shares)	3,500,000
Share Bonus Awards with Market Conditions \| Minimum
Share-based compensation
Number of shares that may be issued (in shares)	0
Share Bonus Awards with Market Conditions \| Maximum
Share-based compensation
Number of shares that may be issued (in shares)	7,000,000.0
Share Bonus Awards with Market Conditions \| Key employees
Share-based compensation
Unvested share bonus awards granted (in shares)	1,800,000
Vesting period	3 years
Share Bonus Awards with Market Conditions \| Key employees \| Minimum
Share-based compensation
Unvested share bonus awards granted (in shares)	0
Share Bonus Awards with Market Conditions \| Key employees \| Maximum
Share-based compensation
Unvested share bonus awards granted (in shares)	3,600,000

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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