BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - ACCOUNTING FOR STOCK COMPENSATION (Details) - Accounting Standards Update 2018-07 - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase, Deferred Tax Without Allowance	$ 24,594
Cumulative Effect on Retained Earnings, Net of Tax	323
Excess Tax Benefit from Share-based Compensation	$ (13,340)	$ (53,169)

Increase, Deferred Tax Without Allowance

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- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

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- Definition

Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=109196918&loc=d3e11374-113907

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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