v3.6.0.2
PERFORMANCE SHARES, STOCK OPTIONS, OTHER FORMS OF COMPENSATION, AND COMMON SHARE REPURCHASES (Details) - USD ($)
12 Months Ended
Jan. 01, 2017
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Number of Shares Available for Grant 34,050      
Allocated Share-based Compensation Expense $ 339,000 $ 350,000 $ (883,000)  
Mark-to-Market Adjustment     22,000  
Board of Directors' Compensation [Abstract]        
Board of Director Cash Compensation 95,000 201,000 358,000  
Total Board of Directors Compensation $ 213,000 $ 330,000 $ 560,000  
Options Outstanding Rollforward [Abstract]        
Outstanding options (in shares) 686,000 507,000 196,000 48,000
Options granted 416,000 465,000 191,000  
Exercise of stock options (in shares) 6,000   43,000  
Options canceled or expired (in shares) 231,000 154,000    
Options Exercisable 259,000 77,000 18,000  
Weighted Average Exercise Price Rollforward        
Outstanding Weighted Average Exercise Price $ 9.15 $ 16.66 $ 27.67 $ 7.77
Granted Weighted Average Exercise Price 5.55 15.75 28.11  
Exercised Weighted Average Exercise Price 5.9   7.4  
Canceled or Expired Weighted Average Exercise Price 19.44 28.07    
Exercisable Weighted Average Exercise Price 10.87 $ 21.48 $ 17.39  
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value $ 1.97      
Fair Value Assumptions Expected Term 5 years 2 months 12 days      
Expected stock volatility 39.98%      
Risk-free interest rate 1.20%      
Options-unrecognized compensation cost $ 1,000,000      
Share Based Compensation Arrangement By Share Based Payment Award Additional General Disclosures Abstract        
Stock Option Plans Exercise Price Range Lower Range Limit $ 4.55      
Stock Option Plans Exercise Price Range Upper Range Limit $ 31.66      
Average remaining contractual life 5 years 7 months 12 days      
Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price $ 31.18      
Stock Options Exercised In Period Total Intrinsic Value $ 3,900      
Stock Options Exercisable Intrinsic Value $ 1,200      
Range One [Member]        
Options Outstanding Rollforward [Abstract]        
Outstanding options (in shares) 417,000      
Options Exercisable 91,000      
Weighted Average Exercise Price Rollforward        
Outstanding Weighted Average Exercise Price $ 5.61      
Exercisable Weighted Average Exercise Price 5.85      
Share Based Compensation Arrangement By Share Based Payment Award Additional General Disclosures Abstract        
Stock Option Plans Exercise Price Range Lower Range Limit 4.55      
Stock Option Plans Exercise Price Range Upper Range Limit $ 9.99      
Average remaining contractual life 7 years 3 months 18 days      
Range Two [Member]        
Options Outstanding Rollforward [Abstract]        
Outstanding options (in shares) 243,000      
Options Exercisable 158,000      
Weighted Average Exercise Price Rollforward        
Outstanding Weighted Average Exercise Price $ 12.9      
Exercisable Weighted Average Exercise Price 12.55      
Share Based Compensation Arrangement By Share Based Payment Award Additional General Disclosures Abstract        
Stock Option Plans Exercise Price Range Lower Range Limit 10      
Stock Option Plans Exercise Price Range Upper Range Limit $ 19.99      
Average remaining contractual life 2 years 9 months 18 days      
Range Three [Member]        
Options Outstanding Rollforward [Abstract]        
Outstanding options (in shares) 26,000      
Options Exercisable 10,000      
Weighted Average Exercise Price Rollforward        
Outstanding Weighted Average Exercise Price $ 30.95      
Exercisable Weighted Average Exercise Price 31.18      
Share Based Compensation Arrangement By Share Based Payment Award Additional General Disclosures Abstract        
Stock Option Plans Exercise Price Range Lower Range Limit 20      
Stock Option Plans Exercise Price Range Upper Range Limit $ 31.66      
Average remaining contractual life 7 years 7 months 6 days      
Performance Shares and Performance Stock Units [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 0   $ (1,228,000)  
Employee Stock Option Member        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 311,000   371,000  
Recapture of forfeitures 126,000   105,000  
Restricted Stock [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 0      
Board of Directors' Compensation [Abstract]        
Total Board of Directors Compensation     $ 24,685  
Options Outstanding Rollforward [Abstract]        
Options canceled or expired (in shares)   8,622    
Weighted Average Exercise Price Rollforward        
Canceled or Expired Weighted Average Exercise Price   $ 25.05 $ 26.59  
Two Thousand Twelve Repurchase Plan [Member]        
Common Share Repurchases [Line Items]        
Number Of Shares Authorized To Be Repurchased   1,000,000 1,000,000  
Average Cost Per Repurchased Share   $ 18.57    
Common Shares Acquired   1,000,000    
Cost of Shares Repurchased   $ 18,600,000    
Two Thousand Eleven Program [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 0 0    
Two Thousand Eleven Program [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense     $ (55,000)  
Recapture of forfeitures     $ 55,000  
Stock Issued During Period Shares Share Based Compensation Gross     86,519  
Acheivement Percentage     86.70%  
Shares surrendered to cover payroll taxes incurred (in shares)     30,518  
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures     56,001  
Two Thousand Twelve Program [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 0 0    
Two Thousand Twelve Program [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense     $ (761,000)  
Recapture of forfeitures     761,000  
Two Thousand Thirteen Program [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 0 (169,000)    
Two Thousand Thirteen Program [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense   459,000    
Recapture of forfeitures   131,000 458,000  
Two Thousand Thirteen Program [Member] | PhantomShareUnitsPSUsMember        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Recapture of forfeitures   38,000 135,000  
Two Thousand Thirteen Program [Member] | Performance Shares and Performance Stock Units [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense     (412,000)  
Performance Share Programs Total [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 0 (169,000)    
Director Program [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 28,000 60,000 47,000  
Recapture of forfeitures 27,000   20,000  
Board of Directors' Compensation [Abstract]        
Board of Director Cash Compensation 95,000 201,000    
Total Board of Directors Compensation 213,000 330,000    
Director Program [Member] | Employee Stock Option Member        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 90,000 69,000 155,000  
Restricted Stock And Restricted Stock Units [Member]        
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 0 $ 0 (73,000)  
Recapture of forfeitures     $ 128,000