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EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Costs (Detail) - USD ($) $ in Thousands | 12 Months Ended
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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

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from settlement and curtailment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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