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EMPLOYEE BENEFIT PLANS - Obligations and Funded Status (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016
Amounts recognized in the statement of financial position consist of: |  |  |  |  |
Noncurrent liabilities |  |  |  | $ (103,734) | $ (110,597)
United States | Defined Benefit Pension Plans |  |  |  |  |
Change in projected benefit obligation |  |  |  |  |
Obligation at beginning of year | $ (45,512) | $ (46,120) |  |  |
Opening balance sheet adjustment | 0 | 0 |  |  |
Service cost | (344) | (337) | $ (381) |  |
Interest cost | (1,422) | (1,475) | (1,914) |  |
Employee contributions | 0 | 0 |  |  |
Plan curtailments and amendments | 0 | 0 |  |  |
Benefits paid | 3,079 | 3,893 |  |  |
Acquisition | 0 | 0 |  |  |
Actuarial gain (loss) | (14) | (1,473) |  |  |
Effect of currency rate changes | 0 | 0 |  |  |
Obligation at end of year | (44,213) | (45,512) | (46,120) |  |
Change in plan assets |  |  |  |  |
Fair value of plan assets at beginning of year | 35,802 | 37,640 |  |  |
Opening balance sheet adjustment | 0 | 0 |  |  |
Actual return on plan assets | 4,223 | 2,055 |  |  |
Employer contributions | 486 | 0 |  |  |
Employee contributions | 0 | 0 |  |  |
Benefits paid | (3,079) | (3,893) |  |  |
Acquisition | 0 | 0 |  |  |
Effect of currency rate changes | 0 | 0 |  |  |
Fair value of plan assets at end of year | 37,432 | 35,802 | 37,640 |  |
Benefit obligations | (45,512) | (46,120) | (46,120) | (44,213) | (45,512)
Funded status |  |  |  | (6,781) | (9,710)
Amounts recognized in the statement of financial position consist of: |  |  |  |  |
Noncurrent assets |  |  |  | 0 | 0
Current liabilities |  |  |  | 0 | 0
Noncurrent liabilities |  |  |  | (6,781) | (9,710)
Net amount recognized |  |  |  | (6,781) | (9,710)
Amounts recognized in accumulated other comprehensive income (loss) consist of: |  |  |  |  |
Prior service cost |  |  |  | (6) | (8)
Net actuarial (loss) gain |  |  |  | (20,418) | (23,884)
Net amount recognized |  |  |  | (20,424) | (23,892)
United States | Other Postretirement Benefits Plans |  |  |  |  |
Change in projected benefit obligation |  |  |  |  |
Obligation at beginning of year | (11,876) | (12,959) |  |  |
Service cost | (5) | (4) | (9) |  |
Interest cost | (350) | (389) | (1,233) |  |
Plan amendments | 0 | 6 |  |  |
Benefits paid | 970 | 720 |  |  |
Acquisition | 0 | (143) |  |  |
Actuarial gain (loss) | (84) | 893 |  |  |
Effect of currency rate changes | 0 | 0 |  |  |
Obligation at end of year | (11,345) | (11,876) | (12,959) |  |
Change in plan assets |  |  |  |  |
Fair value of plan assets at beginning of year | 0 | 0 |  |  |
Employer contributions | 970 | 720 |  |  |
Benefits paid | (970) | (720) |  |  |
Fair value of plan assets at end of year | 0 | 0 | 0 |  |
Benefit obligations | (11,876) | (12,959) | (12,959) | (11,345) | (11,876)
Funded status |  |  |  | (11,345) | (11,876)
Amounts recognized in the statement of financial position consist of: |  |  |  |  |
Current liabilities |  |  |  | (1,046) | (1,084)
Noncurrent liabilities |  |  |  | (10,299) | (10,792)
Net amount recognized |  |  |  | (11,345) | (11,876)
Amounts recognized in accumulated other comprehensive income (loss) consist of: |  |  |  |  |
Prior service cost |  |  |  | 19,616 | 21,134
Net actuarial (loss) gain |  |  |  | (18,882) | (20,023)
Net amount recognized |  |  |  | 734 | 1,111
Foreign Plan | Defined Benefit Pension Plans |  |  |  |  |
Change in projected benefit obligation |  |  |  |  |
Obligation at beginning of year | (319,551) | (195,311) |  |  |
Opening balance sheet adjustment | (5,321) | 0 |  |  |
Service cost | (2,740) | (1,379) | (2,015) |  |
Interest cost | (7,310) | (5,774) | (7,091) |  |
Employee contributions | (880) | (195) |  |  |
Plan curtailments and amendments | 4,153 | 2,061 |  |  |
Benefits paid | 12,906 | 9,427 |  |  |
Acquisition | 0 | (114,242) |  |  |
Actuarial gain (loss) | (3,009) | (33,330) |  |  |
Effect of currency rate changes | (31,265) | 19,192 |  |  |
Obligation at end of year | (353,017) | (319,551) | (195,311) |  |
Change in plan assets |  |  |  |  |
Fair value of plan assets at beginning of year | 241,283 | 168,069 |  |  |
Opening balance sheet adjustment | 2,058 | 0 |  |  |
Actual return on plan assets | 19,102 | 20,066 |  |  |
Employer contributions | 13,479 | 6,933 |  |  |
Employee contributions | 880 | 195 |  |  |
Benefits paid | (12,905) | (9,427) |  |  |
Acquisition | 0 | 70,519 |  |  |
Settlements | (4,523) |  |  |  |
Effect of currency rate changes | 22,228 | (15,072) |  |  |
Fair value of plan assets at end of year | 281,602 | 241,283 | 168,069 |  |
Benefit obligations | (319,551) | (195,311) | (195,311) | (353,017) | (319,551)
Funded status |  |  |  | (71,415) | (78,268)
Amounts recognized in the statement of financial position consist of: |  |  |  |  |
Noncurrent assets |  |  |  | 10,577 | 7,130
Current liabilities |  |  |  | (2,158) | (2,042)
Noncurrent liabilities |  |  |  | (79,834) | (83,356)
Net amount recognized |  |  |  | (71,415) | (78,268)
Amounts recognized in accumulated other comprehensive income (loss) consist of: |  |  |  |  |
Prior service cost |  |  |  | (32) | (56)
Net actuarial (loss) gain |  |  |  | (54,043) | (56,411)
Net amount recognized |  |  |  | (54,075) | (56,467)
Foreign Plan | Other Postretirement Benefits Plans |  |  |  |  |
Change in projected benefit obligation |  |  |  |  |
Obligation at beginning of year | (3,425) | (3,290) |  |  |
Service cost | (28) | (29) | (38) |  |
Interest cost | (98) | (99) | (128) |  |
Plan amendments | 0 | 0 |  |  |
Benefits paid | 199 | 133 |  |  |
Acquisition | 0 | 0 |  |  |
Actuarial gain (loss) | (131) | (42) |  |  |
Effect of currency rate changes | (237) | (98) |  |  |
Obligation at end of year | (3,720) | (3,425) | (3,290) |  |
Change in plan assets |  |  |  |  |
Fair value of plan assets at beginning of year | 0 | 0 |  |  |
Employer contributions | 199 | 133 |  |  |
Benefits paid | (199) | (133) |  |  |
Fair value of plan assets at end of year | 0 | 0 | 0 |  |
Benefit obligations | $ (3,425) | $ (3,290) | $ (3,290) | (3,720) | (3,425)
Funded status |  |  |  | (3,720) | (3,425)
Amounts recognized in the statement of financial position consist of: |  |  |  |  |
Current liabilities |  |  |  | (208) | (185)
Noncurrent liabilities |  |  |  | (3,512) | (3,160)
Net amount recognized |  |  |  | (3,720) | (3,345)
Amounts recognized in accumulated other comprehensive income (loss) consist of: |  |  |  |  |
Prior service cost |  |  |  | 9 | 15
Net actuarial (loss) gain |  |  |  | 154 | 292
Net amount recognized |  |  |  | $ 163 | $ 307

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + 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 (b)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of contributions received by defined benefit plan from participant which increases plan assets. + 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 (b)(4) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) 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 (b)(2) -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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- Definition Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. + 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 (d)(5)(ii) -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 (d)(5)(iv)(01) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(8) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1731-114919 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1731-114919 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919 + Details
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