XML 105 R91.htm IDEA: XBRL DOCUMENT v3.7.0.1
Postretirement Benefits Change in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2017
Jan. 03, 2016
Dec. 28, 2014
Compensation and Retirement Disclosure [Abstract]      
Net actuarial (gain) loss $ 1,251 $ (214)  
Amortization of net loss (197) (163)  
Amortization of prior service credit 355 355  
Deferred income taxes 541 0  
Total recognized in accumulated other comprehensive income $ 868 $ (22) $ 1,059