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Note 10 - Shareholders' Equity (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Mar. 04, 2012
May 31, 2010
Note 10 - Shareholders' Equity (Details) [Line Items]          
Common Stock, Shares Authorized (in Shares)       120,000,000  
Common Stock, Par or Stated Value Per Share (in Dollars per share)       $ 0.10  
Common Stock, Shares, Issued (in Shares)       65,372,375  
Common Stock, Dividends, Per Share, Cash Paid (in Dollars per share) $ 0.11 $ 0.09 $ 0.08    
Stock Based Compensation Rate At Which Employee Stock Option Exercisable 100.00%        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)         6,558,263
Number Of Authorized Stock Reduce By Issuance Of Other Than Stock Option Award (in Shares)         1.33
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 0.1        
Share Based Compensation Arrangement By Share Based Payment Award Unvested Stock Options Awards Weighted Average Period In Years 1 year        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 7.37    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 5 years 292 days        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 5 years 292 days        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value 2.5        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 2.5        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value 1.9 0.9 6.0    
Proceeds from Stock Options Exercised 1.9 1.5 2.7    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) 670,000 573,000 668,000    
Employee Stock Option [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Allocated Share-based Compensation Expense 0.1 0.5 0.8    
Employee Stock Option [Member] | Minimum [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year        
Share Based Compensation Arrangement By Share Based Payment Award Award Exercisable Period 3 years        
Employee Stock Option [Member] | Maximum [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years        
Share Based Compensation Arrangement By Share Based Payment Award Award Exercisable Period 10 years        
Restricted Stock [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Allocated Share-based Compensation Expense 7.9 3.3 10.1    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) 670,000        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options 10.9        
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options $ 3.0 $ 0.7 $ 2.8    
Restricted Stock [Member] | Minimum [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years        
Restricted Stock [Member] | Maximum [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years        
Common Class A [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Common Stock, Shares Authorized (in Shares)       80,000,000  
Common Stock, Par or Stated Value Per Share (in Dollars per share)       $ 0.10  
Common Class B [Member]
         
Note 10 - Shareholders' Equity (Details) [Line Items]          
Common Stock, Shares Authorized (in Shares)       40,000,000  
Common Stock, Par or Stated Value Per Share (in Dollars per share)       $ 0.10  
undefined       10.00%  
Common Stock, Shares, Issued (in Shares)       6,459,556