$LAZ
Lazard Inc Stock $laz

$laz Overview Financials Valuation SEC Filings Company Website

2018 Form 10-K Financial Statement

#000156459019004164 Filed on February 26, 2019

Income Statement

Concept	2018	2017 Q4	2017 Q3
Revenue	$2.885B	$678.8M	$624.9M
YoY Change	6.93%	-1.84%	2.62%
Cost Of Revenue	$191.4M	$32.30M	$31.60M
YoY Change	53.37%	3.53%	7.85%
Gross Profit	$2.693B	$660.1M	$606.5M
YoY Change	4.68%	-2.15%	2.48%
Gross Profit Margin	93.36%	97.24%	97.06%
Selling, General & Admin	$1.939B	$283.6M	$453.1M
YoY Change	14.46%	-39.89%	4.71%
% of Gross Profit	71.99%	42.96%	74.71%
Research & Development	$139.7M
YoY Change
% of Gross Profit	5.19%
Depreciation & Amortization	$34.10M	$12.80M	$8.000M
YoY Change	8.27%	-69.6%	-9.09%
% of Gross Profit	1.27%	1.94%	1.32%
Operating Expenses	$139.7M	$301.5M	$462.3M
YoY Change	-92.01%	-41.76%	4.4%
Operating Profit	$680.8M	$358.5M	$144.2M
YoY Change	-17.53%	128.58%	-3.21%
Interest Expense	$58.48M
YoY Change	9.27%
% of Operating Profit	8.59%
Other Income/Expense, Net	$89.49M
YoY Change	103.06%
Pretax Income	$680.8M	$358.5M	$144.2M
YoY Change	-17.52%	128.49%	-3.22%
Income Tax	$148.3M	$20.50M	$32.70M
% Of Pretax Income	21.79%	5.72%	22.68%
Net Earnings	$527.1M	-$83.56M	$109.2M
YoY Change	107.87%	-165.29%	-2.96%
Net Earnings / Revenue	18.27%	-12.31%	17.48%
Basic Earnings Per Share	$4.43	-$0.70	$0.90
Diluted Earnings Per Share	$4.06	-$0.70	$0.82
COMMON SHARES
Basic Shares Outstanding	119.0M		129.8M
Diluted Shares Outstanding	129.8M

Balance Sheet

Concept	2018	2017 Q4	2017 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.292B	$2.455B	$1.942B
YoY Change	-6.64%	52.71%	36.38%
Cash & Equivalents	$2.292B	$1.484B	$1.942B
Short-Term Investments
Other Short-Term Assets	$142.6M	$35.50M	$35.40M
YoY Change	21.88%	22.41%	0.57%
Inventory
Prepaid Expenses
Receivables	$501.4M	$487.8M	$451.2M
Other Receivables	$184.1M	$83.80M	$100.7M
Total Short-Term Assets	$3.120B	$3.026B	$2.494B
YoY Change	-0.74%	34.76%	27.13%
LONG-TERM ASSETS
Property, Plant & Equipment	$212.9M	$205.3M	$200.8M
YoY Change	3.7%	-1.78%	-1.71%
Goodwill		$385.3M	$385.5M
YoY Change		3.26%	11.4%
Intangibles
YoY Change
Long-Term Investments	$575.1M	$427.2M	$222.0K
YoY Change	34.62%	192332.43%	-99.95%
Other Assets	$597.8M	$650.3M	$1.100B
YoY Change	-8.07%	-39.55%	-0.64%
Total Long-Term Assets	$1.877B	$1.902B	$2.343B
YoY Change	5.15%	-17.68%	0.08%
TOTAL ASSETS
Total Short-Term Assets	$3.120B	$3.026B	$2.494B
Total Long-Term Assets	$1.877B	$1.902B	$2.343B
Total Assets	$4.997B	$4.929B	$4.836B
YoY Change	1.39%	8.17%	12.41%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.154B	$992.3M	$702.0M
YoY Change	16.32%	110.1%	19.57%
Accrued Expenses	$751.6M	$593.8M	$490.8M
YoY Change	0.31%	9.64%	30.71%
Deferred Revenue
YoY Change
Short-Term Debt	$3.900M	$0.00	$0.00
YoY Change	-46.58%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.910B	$1.586B	$1.193B
YoY Change	9.19%	56.44%	23.91%
LONG-TERM LIABILITIES
Long-Term Debt	$1.434B	$1.190B	$1.190B
YoY Change	20.49%	-0.45%	19.17%
Other Long-Term Liabilities	$547.3M	$883.9M	$1.081B
YoY Change	-8.39%	-15.33%	4.86%
Total Long-Term Liabilities	$1.982B	$2.074B	$2.271B
YoY Change	10.84%	-7.38%	11.9%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.910B	$1.586B	$1.193B
Total Long-Term Liabilities	$1.982B	$2.074B	$2.271B
Total Liabilities	$4.080B	$3.670B	$3.529B
YoY Change	9.43%	12.48%	15.34%
SHAREHOLDERS EQUITY
Retained Earnings		$1.080B
YoY Change		-4.74%
Common Stock		$789.4M
YoY Change		14.49%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$916.9M	$1.200B	$1.308B
YoY Change
Total Liabilities & Shareholders Equity	$4.997B	$4.929B	$4.836B
YoY Change	1.39%	8.17%	12.41%

Cashflow Statement

Concept	2018	2017 Q4	2017 Q3
OPERATING ACTIVITIES
Net Income	$527.1M	-$83.56M	$109.2M
YoY Change	107.87%	-165.29%	-2.96%
Depreciation, Depletion And Amortization	$34.10M	$12.80M	$8.000M
YoY Change	8.27%	-69.6%	-9.09%
Cash From Operating Activities	$699.0M	$323.7M	$332.8M
YoY Change	-32.07%	-2.94%	18.52%
INVESTING ACTIVITIES
Capital Expenditures	$49.59M	-$12.20M	-$6.100M
YoY Change	79.23%	-26.51%	-44.55%
Acquisitions
YoY Change
Other Investing Activities	$3.400M	$500.0K	$100.0K
YoY Change	325.0%	150.0%	-85.71%
Cash From Investing Activities	-$46.21M	-$11.70M	-$6.000M
YoY Change	71.65%	-29.09%	-41.18%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$552.9M
YoY Change	80.24%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-726.1M	165.5M	-168.7M
YoY Change	127.97%	116.62%	173.42%
NET CHANGE
Cash From Operating Activities	699.0M	323.7M	332.8M
Cash From Investing Activities	-46.21M	-11.70M	-6.000M
Cash From Financing Activities	-726.1M	165.5M	-168.7M
Net Change In Cash	-162.9M	477.5M	158.1M
YoY Change	-119.23%	21.38%	-24.32%
FREE CASH FLOW
Cash From Operating Activities	$699.0M	$323.7M	$332.8M
Capital Expenditures	$49.59M	-$12.20M	-$6.100M
Free Cash Flow	$649.4M	$335.9M	$338.9M
YoY Change	-35.15%	-4.06%	16.14%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
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CY2017	us-gaap	Costs And Expenses CostsAndExpenses	1818865000
CY2017	us-gaap	Other Expenses OtherExpenses	44069000
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CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	680766000
CY2016	us-gaap	Revenues Revenues	2383663000
CY2016	us-gaap	Interest Expense InterestExpense	50292000
CY2018	us-gaap	Interest Income Operating InterestIncomeOperating	13127000
CY2017	us-gaap	Revenues Revenues	2697829000
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1512873000
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1514735000
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1340543000
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CY2018	us-gaap	Interest Expense InterestExpense	58481000
CY2017	us-gaap	Interest Expense InterestExpense	53518000
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CY2017	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	2644311000
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CY2016Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	81544000
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CY2017Q4	us-gaap	Liabilities Liabilities	3669772000
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
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CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1199803000
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CY2018	laz	Fund Administration And Outsourced Services Expense FundAdministrationAndOutsourcedServicesExpense	132964000
CY2017	laz	Fund Administration And Outsourced Services Expense FundAdministrationAndOutsourcedServicesExpense	71305000
CY2016	laz	Fund Administration And Outsourced Services Expense FundAdministrationAndOutsourcedServicesExpense	63421000
CY2018	laz	Amortization And Other Acquisition Related Costs Benefits AmortizationAndOtherAcquisitionRelatedCostsBenefits	-15897000
CY2017	laz	Amortization And Other Acquisition Related Costs Benefits AmortizationAndOtherAcquisitionRelatedCostsBenefits	9514000
CY2016	laz	Amortization And Other Acquisition Related Costs Benefits AmortizationAndOtherAcquisitionRelatedCostsBenefits	35247000
CY2016	us-gaap	Profit Loss ProfitLoss	393692000
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	132479728
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	132633630
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.43
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.09
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.11
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	2653000
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	2526000
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	543000
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-5205000
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-1757000
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33264000
CY2016	laz	Amortization Of Deferred Expenses And Sharebased Incentive Compensation AmortizationOfDeferredExpensesAndSharebasedIncentiveCompensation	341825000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	45386000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	501163000
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	63660000
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-6523000
CY2016	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3148000
CY2016	laz	Gain Or Loss On Acquisition Of Portion Of Business Already Owned GainOrLossOnAcquisitionOfPortionOfBusinessAlreadyOwned	12668000
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	131637000
CY2017	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-95976000
CY2016	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	156129000
CY2018	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	150839000
CY2017	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	-28922000
CY2016	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	-71552000
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	138842000
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	80550000
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	55611000
CY2018	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	152853000
CY2017	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	25910000
CY2016	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-85379000
CY2015Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1556892000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	699038000
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1029115000
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	632601000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	49593000
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	27670000
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	38749000
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3384000
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	750000
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1096000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-46209000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-26920000
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-37653000
CY2018	laz	Proceeds From Customer Deposits ProceedsFromCustomerDeposits	112061000
CY2017	laz	Proceeds From Customer Deposits ProceedsFromCustomerDeposits	421885000
CY2016	laz	Proceeds From Customer Deposits ProceedsFromCustomerDeposits	7197000
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	1706000
CY2016	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	93000
CY2018	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	490970000
CY2016	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	296757000
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4071000
CY2016	laz	Proceeds From Other Financing Activities ProceedsFromOtherFinancingActivities	24484000
CY2018	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	255543000
CY2016	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	101441000
CY2018	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	68000
CY2017	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	7337000
CY2016	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	1619000
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	12889000
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	5193000
CY2016	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2111000
CY2018	laz	Payments For Tax Receivable Agreement Obligation Excluding Interest PaymentsForTaxReceivableAgreementObligationExcludingInterest	33140000
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	300217000
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	341450000
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	336138000
CY2018	laz	Settlement Of Share Based Incentive Compensation SettlementOfShareBasedIncentiveCompensation	110361000
CY2017	laz	Settlement Of Share Based Incentive Compensation SettlementOfShareBasedIncentiveCompensation	67899000
CY2016	laz	Settlement Of Share Based Incentive Compensation SettlementOfShareBasedIncentiveCompensation	56078000
CY2018	laz	Payments For Other Financing Activities PaymentsForOtherFinancingActivities	6329000
CY2017	laz	Payments For Other Financing Activities PaymentsForOtherFinancingActivities	10984000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-726104000
CY2016	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-64602000
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	847323000
CY2016	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	50591000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2291885000
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1158785000
CY2016Q4	laz	Deposits With Banks And Short Term Investments DepositsWithBanksAndShortTermInvestments	419668000
CY2016Q4	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	29030000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	50812000
CY2017	us-gaap	Interest Paid Net InterestPaidNet	49601000
CY2016	us-gaap	Interest Paid Net InterestPaidNet	46262000
CY2016	laz	Delivery Of Shares From Treasury Stock During The Period Net Of Tax On Share Based Compensation Value DeliveryOfSharesFromTreasuryStockDuringThePeriodNetOfTaxOnShareBasedCompensationValue	55630000
CY2016	laz	Stock Issued Issuable During Period Value Business Acquisitions Mergers And Amortization StockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization	37861000
CY2016	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	1621000
CY2016	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2018000
CY2016	us-gaap	Stockholders Equity Other StockholdersEquityOther	-9559000
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1293813000
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	261462000
CY2016	us-gaap	Dividends Sharebased Compensation Stock DividendsSharebasedCompensationStock	3818000
CY2016	us-gaap	Dividends Common Stock DividendsCommonStock	336138000
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	300217000
CY2017	us-gaap	Dividends Common Stock DividendsCommonStock	341450000
CY2017	laz	Delivery Of Shares From Treasury Stock During The Period Net Of Tax On Share Based Compensation Value DeliveryOfSharesFromTreasuryStockDuringThePeriodNetOfTaxOnShareBasedCompensationValue	73170000
CY2017	laz	Stock Issued Issuable During Period Value Business Acquisitions Mergers And Amortization StockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization	508000
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	577000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	267573000
CY2018	us-gaap	Dividends Sharebased Compensation Stock DividendsSharebasedCompensationStock	6328000
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	359639000
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	552872000
CY2018	laz	Delivery Of Shares From Treasury Stock During The Period Net Of Tax On Share Based Compensation Value DeliveryOfSharesFromTreasuryStockDuringThePeriodNetOfTaxOnShareBasedCompensationValue	118072000
CY2018	laz	Stock Issued Issuable During Period Value Business Acquisitions Mergers And Amortization StockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization	561000
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	11183000
CY2016	laz	Tax Expense Benefit On Stock Issued During Period Acquisitions TaxExpenseBenefitOnStockIssuedDuringPeriodAcquisitions	-1074000
CY2017	laz	Tax Expense Benefit On Stock Issued During Period Acquisitions TaxExpenseBenefitOnStockIssuedDuringPeriodAcquisitions	28000
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<p style="margin-top:12pt;margin-bottom:0pt;text-indent:5.24%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Use of Estimates—<font style="font-weight:normal;font-style:normal;">The preparation of consolidated financial statements in conformity with U.S. GAAP requires the use of management’s estimates. In preparing the consolidated financial statements, management makes estimates and assumptions regarding:</font></p> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">valuations of assets and liabilities requiring fair value estimates including, but not limited to, investments, derivatives, securities sold, not yet purchased and assumptions used to value pension and other post-retirement plans;</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">the assessment of probability with respect to recognizing revenue;</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">the adequacy of the allowance for doubtful accounts;</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">the realization of deferred tax assets and adequacy of tax reserves for uncertain tax positions;</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">the measurement of our tax receivable agreement obligation;</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">the outcome of litigation;</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">the carrying amount of goodwill and other intangible assets;</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">the vesting of share-based and other deferred compensation plan awards; and</p></td></tr></table></div> <div align="left"> <table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;"> <tr> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="top" style="width:5.24%;white-space:nowrap"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:'Times New Roman';font-size:15pt;line-height:11pt;">•</p></td> <td valign="top"> <p style="margin-top:6pt;margin-bottom:0pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">other matters that affect the reported amounts and disclosure of contingencies in the consolidated financial statements.</p></td></tr></table></div> <p style="margin-top:12pt;margin-bottom:0pt;text-indent:5.24%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Estimates, by their nature, are based on judgment and available information. Therefore, actual results could differ from those estimates and could have a material impact on the consolidated financial statements.</p>
CY2018	laz	Allowance For Doubtful Accounts Receivable Charge Offs Foreign Currency Translation And Other Adjustments AllowanceForDoubtfulAccountsReceivableChargeOffsForeignCurrencyTranslationAndOtherAdjustments	10746000
CY2017	laz	Allowance For Doubtful Accounts Receivable Charge Offs Foreign Currency Translation And Other Adjustments AllowanceForDoubtfulAccountsReceivableChargeOffsForeignCurrencyTranslationAndOtherAdjustments	8059000
CY2016	laz	Allowance For Doubtful Accounts Receivable Charge Offs Foreign Currency Translation And Other Adjustments AllowanceForDoubtfulAccountsReceivableChargeOffsForeignCurrencyTranslationAndOtherAdjustments	6551000
CY2018Q4	laz	Receivable Deemed Past Due Or Uncollectible ReceivableDeemedPastDueOrUncollectible	42309000
CY2018	laz	Governing Operating Agreement Date GoverningOperatingAgreementDate	2015-10-26
CY2018	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2
CY2018	laz	Foreign Currency Remeasurement Gains Losses Net Of Hedge Transactions ForeignCurrencyRemeasurementGainsLossesNetOfHedgeTransactions	-2880000
CY2017	laz	Foreign Currency Remeasurement Gains Losses Net Of Hedge Transactions ForeignCurrencyRemeasurementGainsLossesNetOfHedgeTransactions	1900000
CY2016	laz	Foreign Currency Remeasurement Gains Losses Net Of Hedge Transactions ForeignCurrencyRemeasurementGainsLossesNetOfHedgeTransactions	-1153000
CY2018	laz	Date Of Annual Review Of Goodwill For Impairment DateOfAnnualReviewOfGoodwillForImpairment	2018-11-01
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2018	laz	Amount Of Research And Other Eligible Services Received Through Soft Dollar Arrangements AmountOfResearchAndOtherEligibleServicesReceivedThroughSoftDollarArrangements	30000000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2016Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16386000
CY2015Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	12882000
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	27164000
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	15419000
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	10055000
CY2017Q4	laz	Receivable Deemed Past Due Or Uncollectible ReceivableDeemedPastDueOrUncollectible	34865000
CY2018Q4	laz	Interest Bearing Financing Fee Receivables InterestBearingFinancingFeeReceivables	90966000
CY2017Q4	laz	Interest Bearing Financing Fee Receivables InterestBearingFinancingFeeReceivables	80536000
CY2018Q4	laz	Aggregate Carrying Amount Noninterest Bearing Trade Receivables AggregateCarryingAmountNoninterestBearingTradeReceivables	594568000
CY2017Q4	laz	Aggregate Carrying Amount Noninterest Bearing Trade Receivables AggregateCarryingAmountNoninterestBearingTradeReceivables	491080000
CY2018Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	574638000
CY2017Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	426630000
CY2018Q4	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	3929000
CY2017Q4	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	7338000
CY2018	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	-43009000
CY2017	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	27192000
CY2016	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	11816000
CY2018Q4	us-gaap	Derivative Assets DerivativeAssets	11967000
CY2018Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	586605000
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	10009000
CY2018Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	188962000
CY2018Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	202900000
CY2017Q4	us-gaap	Derivative Assets DerivativeAssets	3732000
CY2017Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	430362000
CY2017Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	28941000
CY2017Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	198417000
CY2017Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	234696000
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1592000
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	61000
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1000
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	0
CY2018	laz	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Foreign Currency Translation Adjustments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationAdjustments	-32000
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1622000
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	28941000
CY2018	laz	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation Adjustments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments	0
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	10009000
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1508000
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	14000
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1661000
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	1669000
CY2017	laz	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Foreign Currency Translation Adjustments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationAdjustments	78000
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	22608000
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-6582000
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	0
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	249000
CY2017	laz	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation Adjustments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments	0
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1276000
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	248000
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	0
CY2016	laz	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Foreign Currency Translation Adjustments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationAdjustments	-16000
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-32725000
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	19950000
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	30067000
CY2016	laz	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation Adjustments FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments	0
CY2018	laz	Fair Value Transfers Between Level One Level Two And Level Three Amount FairValueTransfersBetweenLevelOneLevelTwoAndLevelThreeAmount	0
CY2017	laz	Fair Value Transfers Between Level One Level Two And Level Three Amount FairValueTransfersBetweenLevelOneLevelTwoAndLevelThreeAmount	0
CY2018Q4	us-gaap	Alternative Investment AlternativeInvestment	57273000
CY2018Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	8338000
CY2017Q4	us-gaap	Alternative Investment AlternativeInvestment	80378000
CY2017Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	10300000
CY2018	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	30483000
CY2017	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-48379000
CY2016	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-10207000
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	552716000
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	523128000
CY2018Q4	us-gaap	Goodwill Goodwill	371561000
CY2017Q4	us-gaap	Goodwill Goodwill	385292000
CY2018Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	3757000
CY2017Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	6072000
CY2016Q4	us-gaap	Goodwill Goodwill	373117000
CY2015Q4	us-gaap	Goodwill Goodwill	320761000
CY2016	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	54631000
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-13731000
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	12175000
CY2016	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2275000
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2018Q4	us-gaap	Other Finite Lived Intangible Assets Gross OtherFiniteLivedIntangibleAssetsGross	69706000
CY2017Q4	us-gaap	Other Finite Lived Intangible Assets Gross OtherFiniteLivedIntangibleAssetsGross	69171000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3035000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2932000
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2522000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1720000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1699000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	150000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	150000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	38000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3757000
CY2018Q4	laz	Income And Other Tax Receivables Current IncomeAndOtherTaxReceivablesCurrent	35439000
CY2017Q4	laz	Income And Other Tax Receivables Current IncomeAndOtherTaxReceivablesCurrent	38804000
CY2018Q4	laz	Prepaid Compensation Asset PrepaidCompensationAsset	76362000
CY2017Q4	laz	Prepaid Compensation Asset PrepaidCompensationAsset	60355000
CY2018Q4	laz	Advances And Prepayments AdvancesAndPrepayments	66266000
CY2017Q4	laz	Advances And Prepayments AdvancesAndPrepayments	56595000
CY2018Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	80567000
CY2017Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	72390000
CY2018Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	166112000
CY2017Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	155551000
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	130261000
CY2017Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	123548000
CY2018Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	51051000
CY2017Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	69201000
CY2018Q4	laz	Deferred Lease Liability DeferredLeaseLiability	84449000
CY2017Q4	laz	Deferred Lease Liability DeferredLeaseLiability	85028000
CY2018Q4	laz	Unclaimed Funds Of Subsidiaries UnclaimedFundsOfSubsidiaries	17746000
CY2017Q4	laz	Unclaimed Funds Of Subsidiaries UnclaimedFundsOfSubsidiaries	14962000
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	80995000
CY2017Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	45390000
CY2018Q4	us-gaap	Other Sundry Liabilities OtherSundryLiabilities	32434000
CY2017Q4	us-gaap	Other Sundry Liabilities OtherSundryLiabilities	43629000
CY2018Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1450000000
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	15740000
CY2017Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1200000000
CY2017Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	9617000
CY2018	laz	Duration Office Space Agreements Expire DurationOfficeSpaceAgreementsExpire	2033
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	84636000
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	84632000
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	76704000
CY2018	laz	Duration Office Space Sublease Agreements Expire DurationOfficeSpaceSubleaseAgreementsExpire	2022
CY2018	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	7519000
CY2017	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	7659000
CY2016	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	7858000
CY2017	laz	Capital Lease Obligations Recorded Under Sale Leaseback Transactions Settlement Year CapitalLeaseObligationsRecordedUnderSaleLeasebackTransactionsSettlementYear	2017
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	86839000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	89445000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	83701000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	70780000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	59973000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	488612000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	879350000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	26941000
CY2018Q4	laz	Operating Leases Future Minimum Payments Due Net Of Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueNetOfSubleaseRentals	852409000
CY2018Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	4991000
CY2018Q4	laz	Guarantor Obligations Collateral Held GuarantorObligationsCollateralHeld	4947000
CY2016	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	8551271
CY2017	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	6956097
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	12206652
CY2016	laz	Average Price Per Common Share AveragePricePerCommonShare	35.11
CY2017	laz	Average Price Per Common Share AveragePricePerCommonShare	44.10
CY2018	laz	Average Price Per Common Share AveragePricePerCommonShare	45.29
CY2018Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	295512000
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-52036000
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-10735000
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	73754000
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-7951000
CY2016	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-82393000
CY2016	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-2526000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	267573000
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	272965000
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	261462000
CY2018	laz	Issuance Of Restricted Stock Units In Connection With Dividend Participation Rights IssuanceOfRestrictedStockUnitsInConnectionWithDividendParticipationRights	888472
CY2017	laz	Issuance Of Restricted Stock Units In Connection With Dividend Participation Rights IssuanceOfRestrictedStockUnitsInConnectionWithDividendParticipationRights	985584
CY2016	laz	Issuance Of Restricted Stock Units In Connection With Dividend Participation Rights IssuanceOfRestrictedStockUnitsInConnectionWithDividendParticipationRights	1085354
CY2018	laz	Charge To Retained Earnings Pertaining To Issuance Of Restricted Stock Units In Connection With Participation Rights ChargeToRetainedEarningsPertainingToIssuanceOfRestrictedStockUnitsInConnectionWithParticipationRights	44255000
CY2017	laz	Charge To Retained Earnings Pertaining To Issuance Of Restricted Stock Units In Connection With Participation Rights ChargeToRetainedEarningsPertainingToIssuanceOfRestrictedStockUnitsInConnectionWithParticipationRights	41746000
CY2016	laz	Charge To Retained Earnings Pertaining To Issuance Of Restricted Stock Units In Connection With Participation Rights ChargeToRetainedEarningsPertainingToIssuanceOfRestrictedStockUnitsInConnectionWithParticipationRights	37284000
CY2018	laz	Amortization Of Awarded Grants Net Of Forfeitures AmortizationOfAwardedGrantsNetOfForfeitures	90230000
CY2017	laz	Amortization Of Awarded Grants Net Of Forfeitures AmortizationOfAwardedGrantsNetOfForfeitures	73382000
CY2016	laz	Amortization Of Awarded Grants Net Of Forfeitures AmortizationOfAwardedGrantsNetOfForfeitures	75573000
CY2018	laz	Compensation Expense Related To Change In Fair Value Of Underlying Investments CompensationExpenseRelatedToChangeInFairValueOfUnderlyingInvestments	-14086000
CY2017	laz	Compensation Expense Related To Change In Fair Value Of Underlying Investments CompensationExpenseRelatedToChangeInFairValueOfUnderlyingInvestments	23526000
CY2016	laz	Compensation Expense Related To Change In Fair Value Of Underlying Investments CompensationExpenseRelatedToChangeInFairValueOfUnderlyingInvestments	3318000
CY2018	us-gaap	Deferred Compensation Arrangement With Individual Allocated Share Based Compensation Expense DeferredCompensationArrangementWithIndividualAllocatedShareBasedCompensationExpense	76144000
CY2017	us-gaap	Deferred Compensation Arrangement With Individual Allocated Share Based Compensation Expense DeferredCompensationArrangementWithIndividualAllocatedShareBasedCompensationExpense	96908000
CY2016	us-gaap	Deferred Compensation Arrangement With Individual Allocated Share Based Compensation Expense DeferredCompensationArrangementWithIndividualAllocatedShareBasedCompensationExpense	78891000
CY2018	laz	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Description ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingDescription	RSUs, restricted Class A common stock and LFI granted generally provide for one-third vesting on the second anniversary of the grant date and the remaining two-thirds vesting on the third anniversary of the grant date, so long as applicable conditions have been satisfied. The PIPRs granted generally provide for vesting on the third anniversary of the grant date, so long as applicable conditions have been satisfied.
CY2018	laz	Tax Benefits On Amounts Recognized In Aoci Related To Defined Benefit Plans TaxBenefitsOnAmountsRecognizedInAociRelatedToDefinedBenefitPlans	33231000
CY2017	laz	Tax Benefits On Amounts Recognized In Aoci Related To Defined Benefit Plans TaxBenefitsOnAmountsRecognizedInAociRelatedToDefinedBenefitPlans	35154000
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	642837000
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	728281000
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	655015000
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	763831000
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	655015000
CY2017Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	763831000
CY2018	laz	Tax Expense Benefit On Other Changes In Plan Assets And Benefit Obligations Recognized In Aoci TaxExpenseBenefitOnOtherChangesInPlanAssetsAndBenefitObligationsRecognizedInAOCI	1923000
CY2017	laz	Tax Expense Benefit On Other Changes In Plan Assets And Benefit Obligations Recognized In Aoci TaxExpenseBenefitOnOtherChangesInPlanAssetsAndBenefitObligationsRecognizedInAOCI	-1287000
CY2016	laz	Tax Expense Benefit On Other Changes In Plan Assets And Benefit Obligations Recognized In Aoci TaxExpenseBenefitOnOtherChangesInPlanAssetsAndBenefitObligationsRecognizedInAOCI	-3448000
CY2018Q4	laz	Equity Funds That Invested In Funds Managed By Company EquityFundsThatInvestedInFundsManagedByCompany	87129000
CY2017Q4	laz	Equity Funds That Invested In Funds Managed By Company EquityFundsThatInvestedInFundsManagedByCompany	102455000
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	15872000
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	15065000
CY2016	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	14454000
CY2017	laz	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Asset Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxAssetIncomeTaxExpenseBenefit	420000000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2507000
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	349000
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1766000
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	95279000
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	64119000
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	54253000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5145000
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-32000
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4090000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	102931000
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	64436000
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	60109000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	49604000
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	480085000
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	50602000
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-12632000
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	12928000
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1354000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	8414000
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	8150000
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	11704000
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.010
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.434
CY2018	laz	Effective Income Tax Rate Reconciliation Foreign Source Income Loss Not Subject To Domestic Tax EffectiveIncomeTaxRateReconciliationForeignSourceIncomeLossNotSubjectToDomesticTax	-0.022
CY2017	laz	Effective Income Tax Rate Reconciliation Foreign Source Income Loss Not Subject To Domestic Tax EffectiveIncomeTaxRateReconciliationForeignSourceIncomeLossNotSubjectToDomesticTax	-0.042
CY2016	laz	Effective Income Tax Rate Reconciliation Foreign Source Income Loss Not Subject To Domestic Tax EffectiveIncomeTaxRateReconciliationForeignSourceIncomeLossNotSubjectToDomesticTax	-0.093
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.021
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.034
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.036
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.050
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.040
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.057
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.018
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.005
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	-0.043
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	-0.020
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	-0.006
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.020
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.024
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.030
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.001
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.003
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.003
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.016
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.008
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.218
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.685
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.239
CY2018Q4	laz	Gross Deferred Tax Assets Pertaining To Basis Adjustments GrossDeferredTaxAssetsPertainingToBasisAdjustments	288764000
CY2017Q4	laz	Gross Deferred Tax Assets Pertaining To Basis Adjustments GrossDeferredTaxAssetsPertainingToBasisAdjustments	339133000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	159799000
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	175456000
CY2018Q4	laz	Deferred Tax Assets Operating Loss Carryforwards And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards	249509000
CY2017Q4	laz	Deferred Tax Assets Operating Loss Carryforwards And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards	239959000
CY2018Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	1764000
CY2017Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	1537000
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	35801000
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	34615000
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	735637000
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	790700000
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	73114000
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	61456000
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	662523000
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	729244000
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	14550000
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	17257000
CY2018Q4	laz	Gross Deferred Tax Liabilities Pertaining To Compensation And Benefits GrossDeferredTaxLiabilitiesPertainingToCompensationAndBenefits	9816000
CY2017Q4	laz	Gross Deferred Tax Liabilities Pertaining To Compensation And Benefits GrossDeferredTaxLiabilitiesPertainingToCompensationAndBenefits	23251000
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	26124000
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	21749000
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	19828000
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	26134000
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	70318000
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	88391000
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	592205000
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	640853000
CY2018Q4	laz	Gross Deferred Tax Assets Pertaining To Net Operating Loss And Tax Credit Carryforwards GrossDeferredTaxAssetsPertainingToNetOperatingLossAndTaxCreditCarryforwards	249509000
CY2018Q4	laz	Indefinite Lived Carryforwards IndefiniteLivedCarryforwards	32000000
CY2018Q4	laz	Amount Of Carry Forwards With An Expiration Date AmountOfCarryForwardsWithAnExpirationDate	171000000
CY2018	laz	Date Which Carry Forwards Will Begin To Expire DateWhichCarryForwardsWillBeginToExpire	2029
CY2018	us-gaap	Income Tax Examination Description IncomeTaxExaminationDescription	With few exceptions, the Company is no longer subject to income tax examination by foreign tax authorities and by U.S. federal, state and local tax authorities for years prior to 2014. While we are under examination in various tax jurisdictions with respect to certain open years, the Company does not expect that the result of any final determination related to these examinations will have a material impact on its financial statements. Developments with respect to such examinations are monitored on an ongoing basis and adjustments to tax liabilities are made as appropriate.
CY2018Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	13000000
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	69593000
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	89251000
CY2018	laz	Deferred Tax Asset Valuation Allowance Changes Due To Changes In Income Tax Provision Benefit Balances DeferredTaxAssetValuationAllowanceChangesDueToChangesInIncomeTaxProvisionBenefitBalances	14156000
CY2017	laz	Deferred Tax Asset Valuation Allowance Changes Due To Changes In Income Tax Provision Benefit Balances DeferredTaxAssetValuationAllowanceChangesDueToChangesInIncomeTaxProvisionBenefitBalances	-23670000
CY2016	laz	Deferred Tax Asset Valuation Allowance Changes Due To Changes In Income Tax Provision Benefit Balances DeferredTaxAssetValuationAllowanceChangesDueToChangesInIncomeTaxProvisionBenefitBalances	-15981000
CY2018	laz	Deferred Tax Valuation Allowance Changes Due To Charges Credits To Other Comprehensive Income And Other DeferredTaxValuationAllowanceChangesDueToChargesCreditsToOtherComprehensiveIncomeAndOther	-2498000
CY2017	laz	Deferred Tax Valuation Allowance Changes Due To Charges Credits To Other Comprehensive Income And Other DeferredTaxValuationAllowanceChangesDueToChargesCreditsToOtherComprehensiveIncomeAndOther	15533000
CY2016	laz	Deferred Tax Valuation Allowance Changes Due To Charges Credits To Other Comprehensive Income And Other DeferredTaxValuationAllowanceChangesDueToChargesCreditsToOtherComprehensiveIncomeAndOther	-3677000
CY2016Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Assets Noncurrent BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent	2271000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	78674000
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	78396000
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	77280000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	653000
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1598000
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	5891000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	17961000
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	19823000
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	18438000
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	699000
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2961000
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	5316000
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1218000
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1706000
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	17482000
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	18182000
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	16191000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	77889000
CY2018Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	15901000
CY2017Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	15136000
CY2016Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	15392000
CY2015Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	13083000
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	78693000
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	78841000
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	81564000
CY2018	laz	Unrecognized Tax Benefits That If Recognized Would Not Affect The Effective Tax Rate UnrecognizedTaxBenefitsThatIfRecognizedWouldNotAffectTheEffectiveTaxRate	15097000
CY2017	laz	Unrecognized Tax Benefits That If Recognized Would Not Affect The Effective Tax Rate UnrecognizedTaxBenefitsThatIfRecognizedWouldNotAffectTheEffectiveTaxRate	14969000
CY2016	laz	Unrecognized Tax Benefits That If Recognized Would Not Affect The Effective Tax Rate UnrecognizedTaxBenefitsThatIfRecognizedWouldNotAffectTheEffectiveTaxRate	12224000
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	765000
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	-256000
CY2016	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	2309000
CY2018Q4	laz	Unrecognized Tax Benefits Reversal Of Interest And Penalties UnrecognizedTaxBenefitsReversalOfInterestAndPenalties	4889000
CY2017Q4	laz	Unrecognized Tax Benefits Reversal Of Interest And Penalties UnrecognizedTaxBenefitsReversalOfInterestAndPenalties	6185000
CY2016Q4	laz	Unrecognized Tax Benefits Reversal Of Interest And Penalties UnrecognizedTaxBenefitsReversalOfInterestAndPenalties	3143000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	527125000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	253583000
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	387698000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	527125000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	253583000
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	387698000
CY2018	laz	Weighted Average Number Of Shares Outstanding Basic Before Adjustments WeightedAverageNumberOfSharesOutstandingBasicBeforeAdjustments	118753778
CY2017	laz	Weighted Average Number Of Shares Outstanding Basic Before Adjustments WeightedAverageNumberOfSharesOutstandingBasicBeforeAdjustments	121309174
CY2016	laz	Weighted Average Number Of Shares Outstanding Basic Before Adjustments WeightedAverageNumberOfSharesOutstandingBasicBeforeAdjustments	124635160
CY2018	laz	Weighted Average Number Of Shares Non Contingently Issuable Adjustment WeightedAverageNumberOfSharesNonContingentlyIssuableAdjustment	252753
CY2017	laz	Weighted Average Number Of Shares Non Contingently Issuable Adjustment WeightedAverageNumberOfSharesNonContingentlyIssuableAdjustment	264268
CY2016	laz	Weighted Average Number Of Shares Non Contingently Issuable Adjustment WeightedAverageNumberOfSharesNonContingentlyIssuableAdjustment	135241
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	10761061
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	10906286
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	7863229
CY2016Q4	us-gaap	Assets Assets	4556508000
CY2018Q1	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	754698000
CY2018Q2	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	757938000
CY2018Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	626481000
CY2018Q4	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	687235000
CY2018Q1	us-gaap	Costs And Expenses CostsAndExpenses	568870000
CY2018Q2	us-gaap	Costs And Expenses CostsAndExpenses	557998000
CY2018Q3	us-gaap	Costs And Expenses CostsAndExpenses	487800000
CY2018Q4	us-gaap	Costs And Expenses CostsAndExpenses	530918000
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	185828000
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	199940000
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	138681000
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	156317000
CY2018Q1	us-gaap	Profit Loss ProfitLoss	161661000
CY2018Q2	us-gaap	Profit Loss ProfitLoss	148379000
CY2018Q3	us-gaap	Profit Loss ProfitLoss	108725000
CY2018Q4	us-gaap	Profit Loss ProfitLoss	113684000
CY2018Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1969000
CY2017Q1	us-gaap	Costs And Expenses CostsAndExpenses	473267000
CY2017Q2	us-gaap	Costs And Expenses CostsAndExpenses	544679000
CY2017Q3	us-gaap	Costs And Expenses CostsAndExpenses	480647000
CY2017Q4	us-gaap	Costs And Expenses CostsAndExpenses	320272000
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	150197000
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	172501000
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	144212000
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	358536000
CY2018Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1416000
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1651000
CY2018Q4	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	288000
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	159692000
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	146963000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	107074000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	113396000
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.33
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.22
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.90
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.97
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.21
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.13
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.89
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.71
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2017Q1	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	623464000
CY2017Q2	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	717180000
CY2017Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	624859000
CY2017Q4	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	678808000
CY2017Q1	us-gaap	Profit Loss ProfitLoss	110430000
CY2017Q2	us-gaap	Profit Loss ProfitLoss	120901000
CY2017Q3	us-gaap	Profit Loss ProfitLoss	111470000
CY2017Q4	us-gaap	Profit Loss ProfitLoss	-82954000
CY2017Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2877000
CY2017Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	523000
CY2017Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2260000
CY2017Q4	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	604000
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	107553000
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	120378000
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	109210000
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-83558000
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.88
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.98
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.90
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.70
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.70
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.58
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2017Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41

Files In Submission

Name	View Source	Status
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$LAZ
Lazard Inc Stock $laz

2018 Form 10-K Financial Statement

#000156459019004164 Filed on February 26, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LAZ Lazard Inc Stock $laz

2018 Form 10-K Financial Statement

#000156459019004164 Filed on February 26, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LAZ
Lazard Inc Stock $laz