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GENERAL (Average Shares Outstanding Used to Compute Basic and Diluted Earnings per Share) (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Sep. 29, 2018
Sep. 23, 2017
Sep. 29, 2018
Sep. 23, 2017
Accounting Policies [Abstract]        
Average Shares Outstanding - Basic 7,200 7,131 7,187 7,102
Effect of Dilutive Common Stock Equivalents 320 155 299 140
Average Shares Outstanding - Diluted 7,520 7,286 7,486 7,242
Anti-dilutive Common Stock Equivalents