Quarterly report pursuant to Section 13 or 15(d)

PENSION AND POST RETIREMENT BENEFIT PLANS (Details)

v3.5.0.2
PENSION AND POST RETIREMENT BENEFIT PLANS (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Components of net periodic pension benefit Gain        
Interest and service cost $ 2,350 $ 2,250 $ 4,700 $ 4,500
Expected return on plan assets (3,305) (3,197) (6,610) (6,394)
Amortization of net loss 816 940 1,632 1,880
Net periodic loss/(benefit) $ (139) $ (7) $ (278) $ (14)