v2.4.0.6
Shareholders' Equity (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2011
Jun. 30, 2012
Non_Employee_Directors
Employees
Jul. 02, 2011
Jul. 03, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total eligible performance-based RSUs   207 130 143
Number of employees eligible to participate in 2005 plan   106    
Intrinsic value of RSUs vested   $ 47    
Pro-rata vesting period   3 years    
Shares awarded to non employee directors 20,370      
RSUs, Forfeited/Cancelled   700    
Shareholders' Equity (Textual) [Abstract]        
Number of non-employee directors eligible to participate in 2005 plan   7    
Common shares authorized to issue on 2005 plan   1,000,000    
Common shares available for grant to 2005 plan   373,200    
Maximum shares issued to any individual during any calendar year   200,000    
Share-based Compensation Selling, general and administrative expenses   1,555    
Unrecognized compensation cost of stock options granted   23    
Intrinsic value of stock options exercisable   141    
Intrinsic value of stock options outstanding   158    
Intrinsic value of stock options exercised   733    
Description of outstanding stock options under equity-based compensation plans   At the end of fiscal 2012, fiscal 2011 and fiscal 2010, the stock options outstanding under these equity-based compensation plans were held by 5, 9 and 8 individuals, respectively, and had expiration dates ranging from 2012 to 2021.    
Aggregate fair value of common shares awarded 257 11,182 11,053  
Percentage of RSUs vested for each anniversary   20.00%    
Fair value of the equity award granted   $ 10.51    
Common share equivalent to performance-based RSU   1    
RSUs that will be settled in the future   one-third    
Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pro-rata vesting period   10 years    
Restricted Stock Units (RSUs) [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
RSUs, Granted   24,100 124,500 145,400
Unrecognized compensation cost of RSUs   $ 1,191    
Estimated period to recognize remaining compensation cost   2 years    
Number of employees eligible to participate in 2005 plan   27 26 38
Pro-rata vesting period   3 years    
Shares awarded to non employee directors   550    
RSUs, Forfeited/Cancelled   14,900 24,000 31,900
Restricted Stock Units (RSUs) [Member] | Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period of RSU granted   2017    
Restricted Stock Units (RSUs) [Member] | Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period of RSU granted   2013    
Performance Shares [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percentage of Performance-based RSUs settled by issuance of common shares   50.00%    
Percentage of Performance-based RSUs settled by cash   50.00%    
Total eligible performance-based RSUs   105,200    
RSUs, Granted   52,600    
Vesting period of remaining performance based units   2 years    
RSUs, Forfeited/Cancelled   700    
Time Based RSUs Award [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
RSUs, Granted   23,550