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Warranty (Policies)
6 Months Ended
Oct. 30, 2011
Product Warranties Disclosures [Abstract]  
Warranty Policy [Policy Text Block]
The Company generally offers a one-year limited warranty for its products. The specific terms and conditions of these warranties vary depending upon the product sold. The Company estimates the costs that may be incurred under its basic limited warranty and records a liability for the amount of such costs based at the time revenue is recognized. Factors that affect the Company's warranty liability include the historical and anticipated rates of warranty claims. The Company periodically assesses the adequacy of its recorded warranty liabilities and adjusts the amounts as necessary.