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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
Balance at Beginning of Period at Apr. 28, 2012 $ 190,805 $ 34,631 $ 24,320 $ 131,830 $ (9) $ 33
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 22,779     22,779    
Cumulative translation adjustments (102)         (102)
Unrealized loss on available-for-sale securities, net of tax (49)         (49)
Share-based compensation 3,037   3,037      
Exercise of stock options 1,153 1,316 (163)      
Employee savings plan activity 1,482 1,482        
Dividends paid (30,859)     (30,859)    
Balance at End of Period at Apr. 27, 2013 188,246 37,429 27,194 123,750 (9) (118)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 22,206     22,206    
Cumulative translation adjustments 147         147
Unrealized loss on available-for-sale securities, net of tax (25)         (25)
Net tax benefit (deduction) related to share-based compensation 119   119      
Share-based compensation 2,897   2,897      
Exercise of stock options 4,667 4,954 (287)      
Employee savings plan activity 1,552 1,552        
Dividends paid (16,690)     (16,690)    
Balance at End of Period at Apr. 26, 2014 203,119 43,935 29,923 129,266 (9) 4
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 20,882     20,882    
Cumulative translation adjustments (2,358)         (2,358)
Unrealized loss on available-for-sale securities, net of tax (22)         (22)
Net tax benefit (deduction) related to share-based compensation 38   38      
Share-based compensation 3,038   3,038      
Exercise of stock options 2,207 2,513 (306)      
Employee savings plan activity 2,512 2,512        
Dividends paid (17,377)     (17,377)    
Balance at End of Period at May. 02, 2015 $ 212,039 $ 48,960 $ 32,693 $ 132,771 $ (9) $ (2,376)