Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.4.0.3
Fair Value Measurements (Details) - Recurring - USD ($)
$ in Thousands
Apr. 17, 2016
Dec. 27, 2015
Assets:    
Investments in rabbi trust $ 8,555 $ 6,863
Total assets measured at fair value 8,555 6,863
Level 1    
Assets:    
Investments in rabbi trust 8,555 6,863
Total assets measured at fair value 8,555 6,863
Level 2    
Assets:    
Investments in rabbi trust 0 0
Total assets measured at fair value 0 0
Level 3    
Assets:    
Investments in rabbi trust 0 0
Total assets measured at fair value $ 0 $ 0