Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock-based Compensation - Estimated Fair Value of Stock Options Assumptions (Details)

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Note 5 - Stock-based Compensation - Estimated Fair Value of Stock Options Assumptions (Details) - $ / shares
6 Months Ended
Oct. 02, 2016
Sep. 27, 2015
Options issued (in shares) 120,000 110,000
Grant date Jun. 08, 2016 Jun. 12, 2015
Dividend yield 3.33% 3.82%
Expected volatility 20.00% 20.00%
Risk free interest rate 0.93% 1.12%
Contractual term (years) 10 years 10 years
Expected term (years) 3 years 3 years
Forfeiture rate 5.00% 5.00%
Exercise price (grant-date closing price) per option (in dollars per share) $ 9.60 $ 8.38
Fair value per option (in dollars per share) $ 0.94 $ 0.77