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Stock-based Compensation Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Stock-based Compensation Option Activity Details
Balance at beginning of period	4,462	4,793
Granted	427	359
Exercised	(421)	(339)
Cancelled/forfeited	(176)	(42)
Balance at end of period	4,292	4,771
Weighted-average exercise price of options granted during period	$ 5.30	$ 5.47
Total intrinsic value of options exercised during the period	$ 4,312	$ 3,704
Weighted Average Remaining recognition period in years	2 years 50 days	2 years 43 days

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

For presentations that combine terminations, 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 or that expired.

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Net number of share options (or share units) granted during the period.

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

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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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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