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EMPLOYEE BENEFIT PLANS - General Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 USD ($) plan | Dec. 31, 2017 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit plan, number of plans | plan |  | 2 |
Defined benefit plan, expected future employer contributions, next fiscal year | $ |  | $ 2.3 |
Discount rate |  | 2.80% | 2.50%
Accumulated benefit obligation | $ |  | $ 84.6 | $ 95.6
Expected long-term return on plan assets |  | 4.70% | 4.50%
Forecasted |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term return on plan assets | 3.30% |  |
Forecasted | Equity Securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term return on plan assets | 5.80% |  |
Forecasted | Debt securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term return on plan assets | 2.70% |  |
LIBOR | Diversified Growth Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target return on asset category |  | 3.00% |
LIBOR | Global Absolute Return Bond Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target return on asset category |  | 3.00% |
Return on cash | Global Absolute Return Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target return on asset category |  | 5.00% |
United Kingdom |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit plan, number of plans | plan |  | 1 |
Norway |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Concentration risk |  | 1.00% |

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- Definition Defined Benefit Plan, Number of Plans + References No definition available. + Details
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- Definition Plan Asset Target Return, Spread on Variable Rate Benchmark + References No definition available. + Details
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- Definition Subsidiary's Percentage of Total Defined Benefit Plans + References No definition available. + Details
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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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