XML 50 R39.htm IDEA: XBRL DOCUMENT v3.5.0.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 27, 2016
Dec. 29, 2015
Fair value of financial instruments    
Transfer of asset levels within the fair value hierarchy $ 0  
Fair value measured on a recurring basis | Level 2    
Fair value of financial instruments    
Interest rate swap   $ (45)
Fair value measured on a recurring basis | Level 1    
Fair value of financial instruments    
Deferred compensation plan - assets 20,754 17,401
Deferred compensation plan - liabilities $ (20,777) $ (17,416)