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Note K - Share-based Compensation (Tables) | 9 Months Ended
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Dec. 28, 2014
Notes Tables |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
Weighted-average option fair values |  | $ | 11.970 |
Expected life (years) |  |  | 4.5 |
Interest rate |  |  | 1.66 | %
Volatility |  |  | 22.77 | %
Dividend yield |  |  | 0 | %
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] |
|  | Thirteen weeks ended |  |  | Thirty-nine weeks ended |
|  | December 28, 2014 |  |  | December 29, 2013 |  |  | December 28, 2014 |  |  | December 29, 2013 |
Stock options |  | $ | 93 |  |  | $ | 56 |  |  | $ | 224 |  |  | $ | 168 |
Restricted stock |  |  | 135 |  |  |  | 136 |  |  |  | 405 |  |  |  | 362 |
Total compensation cost |  | $ | 228 |  |  | $ | 192 |  |  | $ | 629 |  |  | $ | 530 |
Schedule of Share-based Compensation, Activity [Table Text Block] |
|  |  |  |  |  | Weighted- |  |  | Weighted- |  |  | Aggregate |
|  |  |  |  |  | Average |  |  | Average |  |  | Intrinsic |
|  |  |  |  |  | Exercise |  |  | Remaining |  |  | Value |
|  | Shares |  |  | Price |  |  | Contractual Life |  |  | (In thousands) |
Options outstanding at March 30, 2014 |  |  | 279,500 |  |  | $ | 15.22 |  |  |  | 2.07 |  |  | $ | 9,381 |
Granted |  |  | 50,000 |  |  | $ | 53.89 |  |  |  | - |  |  |  | - |
Expired |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  | (59,250 | ) |  | $ | 12.22 |  |  |  | - |  |  |  | - |
Options outstanding at December 28, 2014 |  |  | 270,250 |  |  | $ | 23.03 |  |  |  | 2.03 |  |  | $ | 14,799 |
Options exercisable at December 28, 2014 |  |  | 175,875 |  |  | $ | 15.59 |  |  |  | 1.45 |  |  | $ | 10,940 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  |  |  |  |  | Weighted - |
|  |  |  |  |  | Average |
|  |  |  |  |  | Grant - date Fair value |
|  | Shares |  |  | Per share |
Unvested restricted stock at March 30, 2014 |  |  | 55,000 |  |  | $ | 38.61 |
Granted |  |  | - |  |  |  | - |
Vested |  |  | (15,000 | ) |  | $ | 36.13 |
Unvested restricted stock at December 28, 2014 |  |  | 40,000 |  |  | $ | 39.54 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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