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Shareholders' Equity and Stock-Based Compensation (Details Textual) - USD ($)
12 Months Ended
May. 28, 2015
May. 29, 2014
May. 30, 2013
Dec. 28, 2012
Stock Repurchase Program, Number of Shares Authorized to be Repurchased 11,687,500      
Stock Repurchased During Period, Shares 54,742 314,312 2,158,207  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 750,000      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 460,077      
Share-based Goods and Nonemployee Services Transaction, Shares Approved for Issuance 4,937,500      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 1,440,775      
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 3,235,816      
Allocated Share-based Compensation Expense $ 1,499,000 $ 1,781,000 $ 1,772,000  
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 689,000 752,000 491,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number 1,464,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price $ 14.71      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value $ 7,328,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value 7,568,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value 1,181,000 $ 1,211,000 $ 510,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options $ 1,121,000      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 4 years 1 month 6 days      
Dividends Payable       $ 30,924,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options $ 2,537,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value $ 4,078,000      
Preferred Stock, Dividend Rate, Percentage 110.00%      
After Two Years [Member]        
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Exercisable Percentage 40.00%      
Upon Retirement [Member] | Option One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 100.00%      
After Three Years [Member]        
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Exercisable Percentage 60.00%      
After Three Years [Member] | Option One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 25.00%      
After Three Years [Member] | Option Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 50.00%      
After Four Years [Member]        
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Exercisable Percentage 80.00%      
After Five Years [Member]        
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Exercisable Percentage 100.00%      
After Five Years [Member] | Option One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 50.00%      
After Five Years [Member] | Option Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 100.00%      
After Ten Years [Member] | Option One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 75.00%      
Dollar Eight Point Five Two To Dollar two Three point Three Seven [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 5 years 9 months 18 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 4 years      
Employee Stock Option [Member]        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 3 years 3 months 18 days      
Common Stock [Member]        
Dividends Payable, Amount Per Share       $ 1.00
Common Stock [Member] | February And May Two Thousand And Thirteen [Member]        
Dividends Payable, Amount Per Share       0.17
Class B Common Stock [Member]        
Dividends Payable, Amount Per Share       0.90909
Class B Common Stock [Member] | February And May Two Thousand And Thirteen [Member]        
Dividends Payable, Amount Per Share       $ 0.15454