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Organization and Summary of Significant Accounting Policies (Details 2) (USD $)
3 Months Ended 6 Months Ended 3 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Level 1
Dec. 29, 2012
Level 1
Jun. 29, 2013
Level 2
Dec. 29, 2012
Level 2
Jun. 29, 2013
Level 3
Jun. 29, 2013
Total
Dec. 29, 2012
Total
Liabilities:                      
Interest rate swaps             $ (605,000) $ (766,000)   $ (605,000) $ (766,000)
Earn-out Contingent Consideration Obligation                 2,400,000 2,400,000  
Changes in fair value of earn-out contingent consideration obligation                 0    
Assets:                      
Non-qualified Deferred Compensation Plan Investments         492,000 440,000       492,000 440,000
Income Taxes                      
Provisions for income taxes $ 669,000 $ 998,000 $ 1,261,000 $ 1,890,000              
Effective tax rate (as a percent) 32.20% 38.10% 33.90% 36.10%