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EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Costs (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
United States | Defined Benefit Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 349 $ 344 $ 337
Interest cost 1,332 1,422 1,475
Expected return on plan assets (1,780) (1,731) (2,076)
Amortization of initial net obligation and prior service cost 3 3 3
Amortization of net loss 970 989 914
Settlement and curtailment losses recognized 0 0 0
Net periodic benefit cost 874 1,027 653
United States | Other Postretirement Benefits Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 5 5 4
Interest cost 326 350 389
Amortization of initial net obligation and prior service cost (1,519) (1,519) (1,709)
Amortization of net loss 1,216 1,225 1,287
Net periodic benefit cost 28 61 (29)
Foreign Plan | Defined Benefit Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 2,611 2,740 1,379
Interest cost 7,047 7,310 5,774
Expected return on plan assets (13,458) (12,412) (9,971)
Amortization of initial net obligation and prior service cost 22 27 61
Amortization of net loss 2,149 2,846 1,818
Settlement and curtailment losses recognized 3,112 768 218
Net periodic benefit cost 1,483 1,279 (721)
Foreign Plan | Other Postretirement Benefits Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 31 28 29
Interest cost 100 98 99
Amortization of initial net obligation and prior service cost (7) (7) (7)
Amortization of net loss (8) (23) (29)
Net periodic benefit cost $ 116 $ 96 $ 92