Quarterly report pursuant to Section 13 or 15(d)

PENSION PLANS - Components of Pension Cost (Details)

v3.19.2
PENSION PLANS - Components of Pension Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Retirement Benefits [Abstract]    
Service cost $ 336 $ 1,366
Non-service components (965) (2,095)
Net periodic pension benefit $ (629) $ (729)