Note N - Share-based Compensation - Outstanding Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Dec. 25, 2022 |
Mar. 27, 2022 |
|
| Options outstanding (in shares) | 20,000 | |
| Options outstanding, weighted average exercise price (in dollars per share) | $ 79.20 | |
| Options outstanding, weighted average remaining contractual life (Year) | 2 years 2 months 1 day | 2 years 11 months 1 day |
| Exercised, aggregate intrinsic value | $ 0 | |
| Options outstanding (in shares) | 20,000 | 20,000 |
| Options outstanding, weighted average exercise price (in dollars per share) | $ 79.20 | $ 79.20 |
| Options outstanding, aggregate intrinsic value | $ 0 | |
| Options exercisable (in shares) | 12,500 | |
| Options exercisable, weighted average exercise price (in dollars per share) | $ 85.62 | |
| Options exercisable, weighted average remaining contractual life (Year) | 1 year 3 months 14 days | |
| Options exercisable, aggregate intrinsic value | $ 0 |
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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