XML 128 R111.htm IDEA: XBRL DOCUMENT v3.3.1.900
Benefit Plans - A 1% Increase or Decrease in Annual Health Care Cost (Detail)
$ in Thousands
12 Months Ended
Jan. 03, 2016
USD ($)
Compensation And Retirement Disclosure [Abstract]  
Postretirement benefit obligation 1% Increase $ 7,894
Postretirement benefit obligation 1% Decrease (7,343)
Service cost and interest cost 1% Increase 451
Service cost and interest cost 1% Decrease $ (433)