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Shareholders' Equity/Capital Stock (Schedule of Stock Options Exercise Price Range) (Details) - Jun. 02, 2015 - 2003 Plan [Member] - $ / shares
Total
$10.50 to $15.90 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower $ 10.05
Exercise price range, upper $ 15.90
Options outstanding 14,000
Options outstanding, Weighted Avg. Price Per Share $ 13.64
Options outstanding, Weighted Avg. Remaining Life In Years 1 year 6 months 15 days
$15.91 to $24.20 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower $ 15.91
Exercise price range, upper $ 24.20
Options outstanding 24,500
Options outstanding, Weighted Avg. Price Per Share $ 18.97
Options outstanding, Weighted Avg. Remaining Life In Years 2 years 11 months 16 days
$10.05 to $24.20 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower $ 10.05
Exercise price range, upper $ 24.20
Options outstanding 38,500
Options outstanding, Weighted Avg. Price Per Share $ 17.03
Options outstanding, Weighted Avg. Remaining Life In Years 2 years 5 months 9 days