SHARE-BASED COMPENSATION - Stock Option Activity (Detail) - Stock Options $ / shares in Units, $ in Millions	9 Months Ended
Dec. 31, 2019 USD ($) $ / shares shares
Number of Shares
Outstanding at beginning of period (shares) \| shares	231,717
Exercised (shares) \| shares	(115,859)
Canceled (shares) \| shares	0
Outstanding at end of period (shares) \| shares	115,858
Exercisable at end of period (shares) \| shares	115,858
Weighted Average Exercise Price
Outstanding at beginning of period (USD per share) \| $ / shares	$ 25.12
Exercised (USD per share) \| $ / shares	24.93
Canceled (USD per share) \| $ / shares	0
Outstanding at end of period (USD per share) \| $ / shares	25.30
Exercisable at end of period (USD per share) \| $ / shares	$ 25.30
Outstanding, Remaining Contractual Life	4 years 4 months 13 days
Exercisable, Remaining Contractual Life	4 years 4 months 13 days
Outstanding, Aggregate Intrinsic Value \| $	$ 6.0
Exercisable, Aggregate Intrinsic Value \| $	$ 6.0

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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