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Note 1 - General (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended					0 Months Ended	3 Months Ended		6 Months Ended
	Sep. 28, 2013	Sep. 28, 2013	Sep. 29, 2012	Jan. 31, 2014	Oct. 31, 2013	Mar. 30, 2013	Oct. 04, 2013 Subsequent Event [Member]	Sep. 28, 2013 Board Of Directors Member [Member] Less Than [Member]	Sep. 28, 2013 Unaffiliated Shareholder [Member]	Sep. 28, 2013 Less Than [Member]	Sep. 29, 2012 Less Than [Member]
Note 1 - General (Details) [Line Items]
Investments	$ 700,000	$ 700,000				$ 600,000
Share-based Compensation		257,000	148,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)		$ 4.23
Foreign Currency Transaction Gain (Loss), Realized										100,000	100,000
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge										100,000	100,000
Number of Foreign Exchange Contracts		2
Derivative Asset, Notional Amount				2,000,000	3,300,000
Stock Repurchased During Period, Shares (in Shares)							700	100	100
Stock Repurchased During Period, Value	$ 800,000	$ (780,000)
Share Price (in Dollars per share)							$ 8.10

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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Nominal or face amount used to calculate payments on the derivative asset.

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Price of a single share of a number of saleable stocks of a company.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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