Defined Benefit Plan Target Allocation Percentage Of Assets Debt Funds

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- Definition

Defined Benefit Plan Target Allocation Percentage Of Assets Equity Funds

+ References

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- Definition

Defined benefit plan, target allocation, percentage of plan assets invested.

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- Definition

Equity Funds Managed By Entity

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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.

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No definition available.

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

+ 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

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- Definition

Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.

+ 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 (a)(10)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

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Employee Benefit Plans - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Oct. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Equity funds managed by LAM		$ 102,455,000	$ 97,933,000
Contributions to employer sponsored defined contribution plans		15,065,000	$ 14,454,000	$ 12,493,000
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected contribution related to the pension plans		$ 21,000,000
U.S. Pension Plans [Member] \| Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plans' assets in debt funds		45.00%	47.00%
U.S. Pension Plans [Member] \| Level 1 [Member] \| NAV [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plans' assets in equity funds		55.00%	53.00%
Non-U.S. Pension Plans [Member] \| Level 1 [Member] \| Equities And Equity Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets invested		32.00%	31.00%
Non-U.S. Pension Plans [Member] \| Level 1 [Member] \| NAV [Member] \| Debt and Debt Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets invested		62.00%	62.00%
Non-U.S. Pension Plans [Member] \| Level 1 [Member] \| NAV [Member] \| Cash And Alternative Investment Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets invested		6.00%	7.00%
Scenario Forecast [Member] \| U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected contribution related to the pension plans					$ 0
Medical Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Settlement of defined benefit plan	$ 2,936,000
Gain on settlement of defined benefit plan			$ 1,788,000