EMPLOYEE BENEFIT PLANS - Weighted-Average Actuarial Assumptions Used to Determine Net Periodic Benefit Cost (Detail)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Pension Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	3.50%	4.10%	4.40%
Rate of compensation increase (salaried)	3.00%	3.00%	3.00%
Expected return on assets	4.50%	4.70%	4.70%
Post-retirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	3.60%	4.30%	4.60%