Stock Plans And Stock-Based Compensation: Schedule of Black Scholes model assumptions for fair value of stock options granted (Details) (Fiscal 2014, fair value of options)	9 Months Ended
Dec. 31, 2014
Fiscal 2014, fair value of options
Fair Value Assumptions, Risk Free Interest Rate	1.95%
Fair Value Assumptions, Expected Term	6 years 3 months
Fair Value Assumptions, Expected Volatility Rate	51.87%
Fair Value Assumptions, Expected Dividend Rate	2.04%

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

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