PENSION (Future Service) (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	$ 50,429
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	50,606
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	52,307
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	52,975
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	54,037
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	283,347
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	48,806
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	48,976
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	50,691
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	51,360
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	52,418
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	275,736
Domestic Plan [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	1,623
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	1,630
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	1,616
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	1,615
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	1,619
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	$ 7,611