Note L - Stockholders' Equity (Details) (USD $)	3 Months Ended	153 Months Ended
	Jun. 29, 2014	Jun. 29, 2014	Dec. 13, 2013	Jun. 05, 2013
Stockholders' Equity Note [Abstract]
Treasury Stock, Shares, Acquired	31,860	4,641,886
Treasury Stock, Value, Acquired, Cost Method (in Dollars)	$ 1,559,000	$ 56,443,000
Stock Repurchase Program, Authorized Amount (in Dollars)			$ 5,000,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased			800,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	257,073	257,073
Minimum Percentage of Common Stock Acquired by a Person or Group which Triggers Exercise of New Rights				15.00%
New Right Purchase Price (in Dollars per share)				$ 100.00
Common Stock, Capital Shares Reserved for Future Issuance	9,330,172	9,330,172		10,188,600