Note O - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Jun. 28, 2026	Mar. 11, 2016
Sixth Stock Repurchase Plan [Member]
Share Repurchase Program, Authorized, Number of Shares		1,200,000
Treasury Stock, Shares, Acquired	1,101,884
Treasury Stock, Value, Acquired, Cost Method	$ 39
Share Repurchase Program, Remaining Authorized, Number of Shares	98,116
O 2026 Q1 Dividends [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.5
O 2026 Q2 Dividends [Member]
Common Stock, Dividends, Per Share, Declared	0.5
O 2026 Q3 Dividends [Member]
Common Stock, Dividends, Per Share, Declared	0.5
O 2026 Q4 Dividends [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.5