Note N - Share-based Compensation - Restricted Stock Activity (Details) - Restricted Stock [Member]	3 Months Ended
	Jun. 25, 2023 $ / shares shares
Unvested restricted stock units, shares (in shares) | shares	50,000
Unvested restricted stock units, weighted average grant date fair value per share (in dollars per share) | $ / shares	$ 67.59
Granted, Shares (in shares) | shares	0
Granted, weighted average grant date fair value per share (in dollars per share) | $ / shares	$ 0
Vested, shares (in shares) | shares	0
Vested, weighted average grant date fair value per share (in dollars per share) | $ / shares	$ 0
Unvested restricted stock units, shares (in shares) | shares	50,000
Unvested restricted stock units, weighted average grant date fair value per share (in dollars per share) | $ / shares	$ 67.59