Note 3 - Debt	3 Months Ended
Jul. 27, 2013
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	3. DEBT At July 27, 2013, a subsidiary of the Company maintained unsecured revolving credit facilities with banks aggregating $100 million (the “Credit Facilities”). The Credit Facilities expire from November 22, 2015 to April 30, 2016 and current borrowings bear interest at .9% above one-month LIBOR (1.1% at July 27, 2013). At July 27, 2013, borrowings outstanding under the Credit Facilities were $45 million, $2.3 million of the Credit Facilities were used for standby letters of credit and $52.7 million were available for borrowings. The Credit Facilities require the subsidiary to maintain certain financial ratios, including debt to net worth and debt to EBITDA (as defined in the Credit Facilities), and contain other restrictions, none of which are expected to have a material effect on our operations or financial position. At July 27, 2013, we were in compliance with all loan covenants.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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