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EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Costs (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
United States | Defined Benefit Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 344 $ 337 $ 381
Interest cost 1,422 1,475 1,914
Expected return on plan assets (1,731) (2,076) (2,168)
Amortization of initial net obligation and prior service cost 3 3 3
Amortization of net loss 989 914 1,062
Settlement and curtailment losses recognized 0 0 0
Net periodic benefit cost 1,027 653 1,192
United States | Other Postretirement Benefits Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 5 4 9
Interest cost 350 389 1,233
Amortization of initial net obligation and prior service cost (1,519) (1,709) (2,295)
Amortization of net loss 1,225 1,287 1,356
Net periodic benefit cost 61 (29) 303
Foreign Plan | Defined Benefit Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 2,740 1,379 2,015
Interest cost 7,310 5,774 7,091
Expected return on plan assets (12,412) (9,971) (9,591)
Amortization of initial net obligation and prior service cost 27 61 212
Amortization of net loss 2,846 1,818 2,379
Settlement and curtailment losses recognized 768 218 0
Net periodic benefit cost 1,279 (721) 2,106
Foreign Plan | Other Postretirement Benefits Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 28 29 38
Interest cost 98 99 128
Amortization of initial net obligation and prior service cost (7) (7) (7)
Amortization of net loss (23) (29) (30)
Net periodic benefit cost $ 96 $ 92 $ 129