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Stock Ownership (Summary of the changes in the number of shares of common stock, Class C preferred stock and treasury stock) (Details) - shares
 12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Mar. 28, 2015
Summary of the changes in the number of shares of common stock, Class C preferred stock and treasury stock      
Beginning balance, preferred shares 32,500    
Stock options exercised 485,660 549,141 439,635
Ending balance, preferred shares 21,802 32,500  
Common Stock [Member]      
Summary of the changes in the number of shares of common stock, Class C preferred stock and treasury stock      
Beginning balance, common shares 38,556,678 38,007,537 37,567,902
Conversion of preferred shares 250,212    
Stock options exercised 205,299 549,141 439,635
Ending balance, common shares 39,012,189 38,556,678 38,007,537
Class C Convertible Preferred Stock [Member]      
Summary of the changes in the number of shares of common stock, Class C preferred stock and treasury stock      
Beginning balance, preferred shares 32,500 32,500 32,500
Conversion of preferred shares (10,698)    
Ending balance, preferred shares 21,802 32,500 32,500
Treasury Stock [Member]      
Summary of the changes in the number of shares of common stock, Class C preferred stock and treasury stock      
Beginning balance, common shares 6,316,652 6,180,489 6,076,951
Stock options exercised 5,765 136,163 103,538
Ending balance, common shares 6,322,417 6,316,652 6,180,489