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Summary of Significant Accounting Policies (Detail Textuals 2) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jul. 05, 2014
Stock-Based Compensation Expense
Jun. 29, 2013
Stock-Based Compensation Expense
Jul. 05, 2014
Stock-Based Compensation Expense
Jun. 29, 2013
Stock-Based Compensation Expense
Jun. 29, 2013
2006 Long-Term Incentive Plan
Performance Shares
Jul. 05, 2014
2006 Long-Term Incentive Plan
Performance Shares
Jun. 29, 2013
2006 Long-Term Incentive Plan
Performance Shares
Jul. 07, 2014
2006 Long-Term Incentive Plan
Restricted Stock
Jul. 05, 2014
2006 Long-Term Incentive Plan
Restricted Stock
Jul. 05, 2014
2006 Long-Term Incentive Plan
Restricted Stock
Officers and directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance shares granted and approved during the period         2,969,424          
Performance shares expected to vest           1,110,618 2,348,017      
Number of shares vested due to change in leadership           533,751   560,710    
Number of shares vested due to completion of vesting term           505,206     1,103,301  
Number of restricted stock issued during period                   1,969,712
Stock-based compensation expense $ 2,200   $ 2,900              
Stock-based compensation expense related to the change in leadership $ 1,100 $ 3,500 $ 1,100 $ 4,300