Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v3.3.1.900
Fair Value Measurements (Details) - Recurring - USD ($)
$ in Thousands
Dec. 27, 2015
Dec. 28, 2014
Assets:    
Investments in rabbi trust $ 6,863 $ 5,723
Total assets measured at fair value 6,863 5,723
Liabilities:    
Derivative—interest rate swap   347
Total liabilities measured at fair value   347
Level 1    
Assets:    
Investments in rabbi trust 6,863 5,723
Total assets measured at fair value 6,863 5,723
Liabilities:    
Derivative—interest rate swap   0
Total liabilities measured at fair value   0
Level 2    
Assets:    
Investments in rabbi trust 0 0
Total assets measured at fair value 0 0
Liabilities:    
Derivative—interest rate swap   347
Total liabilities measured at fair value   347
Level 3    
Assets:    
Investments in rabbi trust 0 0
Total assets measured at fair value $ 0 0
Liabilities:    
Derivative—interest rate swap   0
Total liabilities measured at fair value   $ 0