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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

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