$SEIC
SEI INVESTMENTS CO Stock $seic

$seic Overview Financials Valuation SEC Filings Company Website

2019 Q3 Form 10-Q Financial Statement

#000035089419000038 Filed on July 25, 2019

Income Statement

Concept	2019 Q3	2019 Q2	2018 Q2
Revenue	$416.3M	$409.6M	$404.8M
YoY Change	1.85%	1.17%	8.73%
Cost Of Revenue	$65.60M	$68.10M	$71.00M
YoY Change	-5.88%	-4.08%	-3.92%
Gross Profit	$136.9M	$136.7M	$126.8M
YoY Change	7.47%	7.81%	12.26%
Gross Profit Margin	32.88%	33.38%	31.32%
Selling, General & Admin	$209.7M	$201.1M	$204.3M
YoY Change	1.35%	-1.57%	12.25%
% of Gross Profit	153.21%	147.1%	161.11%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$7.409M	$7.422M	$7.138M
YoY Change	2.12%	3.98%	8.17%
% of Gross Profit	5.41%	5.43%	5.63%
Operating Expenses	$230.0M	$221.4M	$223.5M
YoY Change	1.5%	-0.94%	11.08%
Operating Profit	$120.6M	$120.1M	$110.3M
YoY Change	7.31%	8.93%	13.44%
Interest Expense	$154.0K	$166.0K	$132.0K
YoY Change	26.23%	25.76%	15.79%
% of Operating Profit	0.13%	0.14%	0.12%
Other Income/Expense, Net
YoY Change
Pretax Income	$162.9M	$162.3M	$154.3M
YoY Change	3.35%	5.25%	14.13%
Income Tax	$30.70M	$35.81M	$32.58M
% Of Pretax Income	18.85%	22.06%	21.12%
Net Earnings	$132.2M	$126.5M	$121.7M
YoY Change	3.0%	4.0%	32.59%
Net Earnings / Revenue	31.75%	30.89%	30.06%
Basic Earnings Per Share	$0.88	$0.83	$0.77
Diluted Earnings Per Share	$0.86	$0.82	$0.75
COMMON SHARES
Basic Shares Outstanding	151.0M shares	152.5M shares	158.1M shares
Diluted Shares Outstanding	154.2M shares	155.2M shares	162.2M shares

Balance Sheet

Concept	2019 Q3	2019 Q2	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$800.7M	$714.6M	$722.4M
YoY Change	3.87%	-1.08%	5.95%
Cash & Equivalents	$767.8M	$682.3M	$693.4M
Short-Term Investments	$32.90M	$32.30M	$29.00M
Other Short-Term Assets	$34.89M	$31.92M	$36.25M
YoY Change	-5.98%	-11.95%	13.44%
Inventory
Prepaid Expenses
Receivables	$383.5M	$371.1M	$356.1M
Other Receivables	$18.00M	$16.50M	$11.90M
Total Short-Term Assets	$1.240B	$1.138B	$1.130B
YoY Change	3.9%	0.65%	9.85%
LONG-TERM ASSETS
Property, Plant & Equipment	$154.6M	$150.0M	$144.3M
YoY Change	5.98%	3.96%	-0.83%
Goodwill	$64.49M	$64.49M	$65.25M
YoY Change	0.0%	-1.16%
Intangibles	$28.91M	$29.83M	$33.85M
YoY Change	-11.3%	-11.89%
Long-Term Investments	$148.6M	$162.3M	$146.6M
YoY Change	10.32%	10.71%	7.32%
Other Assets	$32.11M	$33.76M	$33.82M
YoY Change	-4.56%	-0.16%	103.06%
Total Long-Term Assets	$800.5M	$815.3M	$760.5M
YoY Change	7.33%	7.2%	25.65%
TOTAL ASSETS
Total Short-Term Assets	$1.240B	$1.138B	$1.130B
Total Long-Term Assets	$800.5M	$815.3M	$760.5M
Total Assets	$2.041B	$1.953B	$1.891B
YoY Change	5.22%	3.28%	15.7%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$8.712M	$5.494M	$7.519M
YoY Change	-4.9%	-26.93%	39.06%
Accrued Expenses	$193.9M	$178.5M	$193.8M
YoY Change	-6.62%	-7.92%	13.63%
Deferred Revenue	$5.529M	$4.705M	$5.587M
YoY Change	9.4%	-15.79%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$216.0M	$196.9M	$206.9M
YoY Change	-2.63%	-4.84%	15.74%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$26.29M	$25.34M	$26.39M
YoY Change	1.12%	-3.95%	87.13%
Total Long-Term Liabilities	$26.29M	$25.34M	$26.39M
YoY Change	1.12%	-3.95%	87.13%
TOTAL LIABILITIES
Total Short-Term Liabilities	$216.0M	$196.9M	$206.9M
Total Long-Term Liabilities	$26.29M	$25.34M	$26.39M
Total Liabilities	$337.3M	$318.3M	$299.8M
YoY Change	9.22%	6.16%	14.28%
SHAREHOLDERS EQUITY
Retained Earnings	$599.9M	$541.7M	$522.8M
YoY Change	7.79%	3.62%	27.69%
Common Stock	$1.139B	$1.124B	$1.096B
YoY Change	3.3%	2.48%	10.7%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.703B	$1.635B	$1.591B
YoY Change
Total Liabilities & Shareholders Equity	$2.041B	$1.953B	$1.891B
YoY Change	5.22%	3.28%	15.7%

Cashflow Statement

Concept	2019 Q3	2019 Q2	2018 Q2
OPERATING ACTIVITIES
Net Income	$132.2M	$126.5M	$121.7M
YoY Change	3.0%	4.0%	32.59%
Depreciation, Depletion And Amortization	$7.409M	$7.422M	$7.138M
YoY Change	2.12%	3.98%	8.17%
Cash From Operating Activities	$163.9M	$157.7M	$158.7M
YoY Change	5.74%	-0.63%	41.82%
INVESTING ACTIVITIES
Capital Expenditures	-$19.90M	-$20.10M	-$18.80M
YoY Change	12.43%	6.91%	-19.66%
Acquisitions
YoY Change
Other Investing Activities	$7.200M	$5.600M	-$29.70M
YoY Change	71.43%	-118.86%	-1585.0%
Cash From Investing Activities	-$12.70M	-$14.60M	-$48.50M
YoY Change	-5.93%	-69.9%	124.54%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-61.80M	-127.3M	-156.4M
YoY Change	-33.19%	-18.61%	60.41%
NET CHANGE
Cash From Operating Activities	163.9M	157.7M	158.7M
Cash From Investing Activities	-12.70M	-14.60M	-48.50M
Cash From Financing Activities	-61.80M	-127.3M	-156.4M
Net Change In Cash	89.40M	15.80M	-46.20M
YoY Change	82.45%	-134.2%	541.67%
FREE CASH FLOW
Cash From Operating Activities	$163.9M	$157.7M	$158.7M
Capital Expenditures	-$19.90M	-$20.10M	-$18.80M
Free Cash Flow	$183.8M	$177.8M	$177.5M
YoY Change	6.43%	0.17%	31.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0000350894
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	718000	USD
CY2019Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1101000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	395171000	USD
CY2019Q2	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	418675000	USD
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000	shares
CY2019Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	153634000	shares
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	150955000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	153634000	shares
CY2019Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	150955000	shares
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5090000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6932000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-31000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-46000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-26000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-50000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	52000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-372000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	230000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	470000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-10200
	dei	Entity Registrant Name EntityRegistrantName	SEI INVESTMENTS COMPANY
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-1707341
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1 Freedom Valley Drive
	dei	Entity Address City Or Town EntityAddressCityOrTown	Oaks
	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19456
	dei	City Area Code CityAreaCode	610
	dei	Local Phone Number LocalPhoneNumber	676-1000
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
	dei	Trading Symbol TradingSymbol	SEIC
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2019Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	151023802	shares
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	682266000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	754525000	USD
CY2019Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	3520000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	3514000	USD
CY2019Q2	us-gaap	Due From Other Related Parties Current DueFromOtherRelatedPartiesCurrent	52407000	USD
CY2018Q4	us-gaap	Due From Other Related Parties Current DueFromOtherRelatedPartiesCurrent	49869000	USD
CY2019Q2	us-gaap	Receivables Net Current ReceivablesNetCurrent	335144000	USD
CY2018Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	315336000	USD
CY2019Q2	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	32289000	USD
CY2018Q4	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	30892000	USD
CY2019Q2	us-gaap	Other Assets Current OtherAssetsCurrent	31915000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	36676000	USD
CY2019Q2	us-gaap	Assets Current AssetsCurrent	1137541000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	1190812000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	150045000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	145863000	USD
CY2019Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	42940000	USD
CY2019Q2	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	305184000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	309500000	USD
CY2019Q2	seic	Debt Securities Available For Sale And Equity Securities Fvni DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNI	106671000	USD
CY2018Q4	seic	Debt Securities Available For Sale And Equity Securities Fvni DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNI	111901000	USD
CY2019Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	5434000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	4887000	USD
CY2019Q2	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	50203000	USD
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	52342000	USD
CY2019Q2	us-gaap	Goodwill Goodwill	64489000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	64489000	USD
CY2019Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	29828000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	31670000	USD
CY2019Q2	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	25132000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	24007000	USD
CY2019Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1571000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	2042000	USD
CY2019Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	33761000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	34155000	USD
CY2019Q2	us-gaap	Assets Assets	1952799000	USD
CY2018Q4	us-gaap	Assets Assets	1971668000	USD
CY2019Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	5494000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	10920000	USD
CY2019Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	178473000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	279634000	USD
CY2019Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8259000	USD
CY2019Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	4705000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5154000	USD
CY2019Q2	us-gaap	Liabilities Current LiabilitiesCurrent	196931000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	517970000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	295708000	USD
CY2019Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	803000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	803000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	55793000	USD
CY2019Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-30740000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	57795000	USD
CY2019Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	39427000	USD
CY2019Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	25344000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	24215000	USD
CY2019Q2	us-gaap	Liabilities Liabilities	318298000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	378521000	USD
CY2019Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-33000000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1634501000	USD
CY2019Q2	us-gaap	Common Stock Value CommonStockValue	1509000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	1536000	USD
CY2019Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1122068000	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1106641000	USD
CY2019Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	541664000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1593147000	USD
CY2019Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1952799000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1971668000	USD
CY2019Q2	us-gaap	Revenues Revenues	409586000	USD
CY2018Q2	us-gaap	Revenues Revenues	404830000	USD
	us-gaap	Revenues Revenues	810406000	USD
	us-gaap	Revenues Revenues	810428000	USD
CY2019Q2	seic	Subadvisory Distributionand Other Asset Management Costs SubadvisoryDistributionandOtherAssetManagementCosts	46177000	USD
CY2018Q2	seic	Subadvisory Distributionand Other Asset Management Costs SubadvisoryDistributionandOtherAssetManagementCosts	45209000	USD
	seic	Subadvisory Distributionand Other Asset Management Costs SubadvisoryDistributionandOtherAssetManagementCosts	89982000	USD
	seic	Subadvisory Distributionand Other Asset Management Costs SubadvisoryDistributionandOtherAssetManagementCosts	90414000	USD
CY2019Q2	seic	Software Royaltiesand Other Information Processing Costs SoftwareRoyaltiesandOtherInformationProcessingCosts	7393000	USD
CY2018Q2	seic	Software Royaltiesand Other Information Processing Costs SoftwareRoyaltiesandOtherInformationProcessingCosts	7977000	USD
	seic	Software Royaltiesand Other Information Processing Costs SoftwareRoyaltiesandOtherInformationProcessingCosts	15521000	USD
	seic	Software Royaltiesand Other Information Processing Costs SoftwareRoyaltiesandOtherInformationProcessingCosts	16695000	USD
CY2019Q2	seic	Compensation Benefitsand Other Personnel CompensationBenefitsandOtherPersonnel	125999000	USD
CY2018Q2	seic	Compensation Benefitsand Other Personnel CompensationBenefitsandOtherPersonnel	127375000	USD
	seic	Compensation Benefitsand Other Personnel CompensationBenefitsandOtherPersonnel	256334000	USD
	seic	Compensation Benefitsand Other Personnel CompensationBenefitsandOtherPersonnel	251652000	USD
CY2019Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5064000	USD
CY2018Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5323000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10102000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10518000	USD
CY2019Q2	us-gaap	Professional Fees ProfessionalFees	45330000	USD
CY2018Q2	us-gaap	Professional Fees ProfessionalFees	50441000	USD
	us-gaap	Professional Fees ProfessionalFees	95536000	USD
	us-gaap	Professional Fees ProfessionalFees	99148000	USD
CY2019Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	22184000	USD
CY2018Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	21133000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	43176000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	41724000	USD
CY2019Q2	us-gaap	Occupancy Net OccupancyNet	17100000	USD
CY2018Q2	us-gaap	Occupancy Net OccupancyNet	17783000	USD
	us-gaap	Occupancy Net OccupancyNet	35845000	USD
	us-gaap	Occupancy Net OccupancyNet	35396000	USD
CY2019Q2	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	12781000	USD
CY2018Q2	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	12161000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	25460000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	24015000	USD
CY2019Q2	us-gaap	Depreciation Nonproduction DepreciationNonproduction	7422000	USD
CY2018Q2	us-gaap	Depreciation Nonproduction DepreciationNonproduction	7138000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	14753000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	14260000	USD
CY2019Q2	us-gaap	Costs And Expenses CostsAndExpenses	289450000	USD
CY2018Q2	us-gaap	Costs And Expenses CostsAndExpenses	294540000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	586709000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	583822000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	120136000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	110290000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	223697000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	226606000	USD
CY2019Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	231000	USD
CY2018Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	-139000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	1510000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	-549000	USD
CY2019Q2	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	4313000	USD
CY2018Q2	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	3162000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	8570000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	5664000	USD
CY2019Q2	us-gaap	Interest Expense InterestExpense	166000	USD
CY2018Q2	us-gaap	Interest Expense InterestExpense	132000	USD
	us-gaap	Interest Expense InterestExpense	323000	USD
	us-gaap	Interest Expense InterestExpense	389000	USD
CY2019Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	37832000	USD
CY2018Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	41073000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	75149000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	81680000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	162346000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	154254000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	308603000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	313012000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35806000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32577000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	68082000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	51497000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	126540000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	121677000	USD
	us-gaap	Profit Loss ProfitLoss	240521000	USD
	us-gaap	Profit Loss ProfitLoss	261515000	USD
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.66
CY2019Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	151863000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	157542000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	152587000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	157488000	shares
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.75
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.54
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.61
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155165000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	162225000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155853000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	162825000	shares
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.33
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.30
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.33
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.30
CY2019Q2	us-gaap	Profit Loss ProfitLoss	126540000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	121677000	USD
	us-gaap	Profit Loss ProfitLoss	240521000	USD
	us-gaap	Profit Loss ProfitLoss	261515000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2877000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-10203000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	520000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-6826000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	765000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	32000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1562000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1325000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-92000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	857000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-111000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	143000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-178000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1740000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	162000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1487000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2020000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10060000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2260000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8313000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	124520000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	111617000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	242781000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	253202000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1636550000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	126540000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2020000	USD
CY2019Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	97028000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1071000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	14308000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5064000	USD
CY2019Q2	us-gaap	Dividends Common Stock DividendsCommonStock	49984000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1634501000	USD
CY2018Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1613654000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	121677000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10060000	USD
CY2018Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	104642000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1146000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	10923000	USD
CY2018Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5323000	USD
CY2018Q2	us-gaap	Dividends Common Stock DividendsCommonStock	47139000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1590882000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1593147000	USD
	us-gaap	Net Income Loss NetIncomeLoss	240521000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2260000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	185817000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2393000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	21879000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10102000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	49984000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1634501000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1476839000	USD
CY2017Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	14402000	USD
	us-gaap	Net Income Loss NetIncomeLoss	261515000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8313000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	186898000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2151000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	67807000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10518000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	47139000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1590882000	USD
	us-gaap	Profit Loss ProfitLoss	240521000	USD
	us-gaap	Profit Loss ProfitLoss	261515000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-22876000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	217645000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	1361000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	262876000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	18239000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12671000	USD
	us-gaap	Payments For Software PaymentsForSoftware	19188000	USD
	us-gaap	Payments For Software PaymentsForSoftware	24613000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	77891000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	74957000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	85012000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	64626000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	5794000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	10500000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-30306000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-63909000	USD
	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	USD
	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	30000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	183396000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	189372000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	24272000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	69958000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	100745000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	94318000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-259869000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-243732000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	277000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-6036000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-72253000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-50801000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	758039000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	747752000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	685786000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	696951000	USD
	seic	Operating Lease Right Of Use Assets And Lease Liabilities Recorded OperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesRecorded	44169000	USD
	seic	Operating Lease Right Of Use Assets And Lease Liabilities Recorded OperatingLeaseRightOfUseAssetsAndLeaseLiabilitiesRecorded	0	USD
	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	19188000	USD
	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	24613000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	126540000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	121677000	USD
	us-gaap	Profit Loss ProfitLoss	240521000	USD
	us-gaap	Profit Loss ProfitLoss	261515000	USD
CY2019Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	151863000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	157542000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	152587000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	157488000	shares
CY2019Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3302000	shares
CY2018Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4683000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3266000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	5337000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155165000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	162225000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155853000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	162825000	shares
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.66
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.75
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.54
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.61
CY2019Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6244000	shares
CY2018Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6221000	shares
CY2019Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Net Income Per Outstanding Unit Amount AntidilutiveSecuritiesExcludedFromComputationOfNetIncomePerOutstandingUnitAmount	54.79
CY2018Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Net Income Per Outstanding Unit Amount AntidilutiveSecuritiesExcludedFromComputationOfNetIncomePerOutstandingUnitAmount	53.33
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6284000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6138000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Net Income Per Outstanding Unit Amount AntidilutiveSecuritiesExcludedFromComputationOfNetIncomePerOutstandingUnitAmount	54.80
	us-gaap	Antidilutive Securities Excluded From Computation Of Net Income Per Outstanding Unit Amount AntidilutiveSecuritiesExcludedFromComputationOfNetIncomePerOutstandingUnitAmount	53.03
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="line-height:120%;padding-top:6px;text-align:left;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;text-decoration:underline;">Reclassifications</span></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Certain prior year amounts have been reclassified to conform to current year presentation.</span></div>
	us-gaap	Profit Loss ProfitLoss	240521000	USD
	us-gaap	Profit Loss ProfitLoss	261515000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	14753000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	14260000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	25460000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	24015000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	75149000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	81680000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	77288000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	89362000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10102000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10518000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	383000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-90000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	2050000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-4893000	USD
	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	1510000	USD
	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	-549000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	0	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1129000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1222000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-249000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4713000	USD
	seic	Capitalized Contract Costs Net Of Amortization CapitalizedContractCostsNetOfAmortization	1125000	USD
	seic	Capitalized Contract Costs Net Of Amortization CapitalizedContractCostsNetOfAmortization	2880000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-122000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	326000	USD
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	2538000	USD
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-3280000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	20192000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	31835000	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-3708000	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	5090000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-5426000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2251000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-47631000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-22121000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-449000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	746000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-22876000	USD
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	1361000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	217645000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	262876000	USD
CY2019Q2	us-gaap	Billed Contract Receivables BilledContractReceivables	77063000	USD
CY2018Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	76362000	USD
CY2019Q2	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	242712000	USD
CY2018Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	226001000	USD
CY2019Q2	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	16470000	USD
CY2018Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	13691000	USD
CY2019Q2	seic	Receivables Gross Current ReceivablesGrossCurrent	336245000	USD
CY2018Q4	seic	Receivables Gross Current ReceivablesGrossCurrent	316054000	USD
CY2019Q2	seic	Allowancefor Doubtful Receivables AllowanceforDoubtfulReceivables	1101000	USD
CY2018Q4	seic	Allowancefor Doubtful Receivables AllowanceforDoubtfulReceivables	718000	USD
CY2019Q2	us-gaap	Receivables Net Current ReceivablesNetCurrent	335144000	USD
CY2018Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	315336000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	502338000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	484069000	USD
CY2019Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	352293000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	338206000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	150045000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	145863000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	14753000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	14260000	USD
CY2019Q2	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	25132000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	24007000	USD
CY2019Q2	seic	Capitalized Contract Cost Amount Capitalized During Period CapitalizedContractCostAmountCapitalizedDuringPeriod	1950000	USD
CY2018Q2	seic	Capitalized Contract Cost Amount Capitalized During Period CapitalizedContractCostAmountCapitalizedDuringPeriod	2267000	USD
	seic	Capitalized Contract Cost Amount Capitalized During Period CapitalizedContractCostAmountCapitalizedDuringPeriod	3076000	USD
	seic	Capitalized Contract Cost Amount Capitalized During Period CapitalizedContractCostAmountCapitalizedDuringPeriod	4083000	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	1951000	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	1201000	USD
	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2019Q2	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	55188000	USD
CY2018Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	97603000	USD
CY2019Q2	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	30155000	USD
CY2018Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	31000000	USD
CY2019Q2	seic	Accrued Sub Advisory Distribution And Other Asset Management Fees Current AccruedSubAdvisoryDistributionAndOtherAssetManagementFeesCurrent	46611000	USD
CY2018Q4	seic	Accrued Sub Advisory Distribution And Other Asset Management Fees Current AccruedSubAdvisoryDistributionAndOtherAssetManagementFeesCurrent	42583000	USD
CY2019Q2	us-gaap	Dividends Payable Current DividendsPayableCurrent	0	USD
CY2018Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	50761000	USD
CY2019Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	46519000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	57687000	USD
CY2019Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	178473000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	279634000	USD
CY2019Q2	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	32289000	USD
CY2019Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	144394000	USD
CY2018Q4	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	30892000	USD
CY2018Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	147680000	USD
CY2019Q2	seic	Debt Securities Available For Sale And Equity Securities Fvni Cost DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNICost	105846000	USD
CY2019Q2	seic	Debt Securities Available For Sale And Equity Securities Fvni Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax	1166000	USD
CY2019Q2	seic	Debt Securities Available For Sale And Equity Securities Fvni Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax	341000	USD
CY2019Q2	seic	Debt Securities Available For Sale And Equity Securities Fvni DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNI	106671000	USD
CY2018Q4	seic	Debt Securities Available For Sale And Equity Securities Fvni Cost DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNICost	114398000	USD
CY2018Q4	seic	Debt Securities Available For Sale And Equity Securities Fvni Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNIAccumulatedGrossUnrealizedGainBeforeTax	126000	USD
CY2018Q4	seic	Debt Securities Available For Sale And Equity Securities Fvni Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNIAccumulatedGrossUnrealizedLossBeforeTax	2623000	USD
CY2018Q4	seic	Debt Securities Available For Sale And Equity Securities Fvni DebtSecuritiesAvailableForSaleAndEquitySecuritiesFVNI	111901000	USD
CY2019Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	327000	USD
CY2019Q2	seic	Accumulated Other Comprehensive Income Loss Debt Securities Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossDebtSecuritiesAvailableForSaleSecuritiesAdjustmentTax	97000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1413000	USD
CY2018Q4	seic	Accumulated Other Comprehensive Income Loss Debt Securities Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossDebtSecuritiesAvailableForSaleSecuritiesAdjustmentTax	-422000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1004000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	1310000	USD
CY2019Q2	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	32289000	USD
CY2018Q4	us-gaap	Financial Instruments Owned Us Government And Agency Obligations At Fair Value FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue	30892000	USD
CY2019Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	11713000	USD
CY2019Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5064000	USD
CY2018Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5323000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10102000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10518000	USD
CY2019Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	971000	USD
CY2018Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1142000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1917000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2245000	USD
CY2019Q2	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	4093000	USD
CY2018Q2	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	4181000	USD
	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	8185000	USD
	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	8273000	USD
CY2019Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	55538000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	21816000	USD
CY2019Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	192595000	USD
CY2019Q2	us-gaap	Share Price SharePrice	56.10
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	33.55
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	14784000	shares
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	8540000	shares
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.33
	us-gaap	Dividends Common Stock DividendsCommonStock	49984000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	47139000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	2082000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-178000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2260000	USD
CY2019Q2	us-gaap	Revenues Revenues	409586000	USD
CY2019Q2	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	272877000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	136709000	USD
CY2018Q2	us-gaap	Revenues Revenues	404830000	USD
CY2018Q2	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	278026000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	126804000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	120136000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	110290000	USD
CY2019Q2	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	20173000	USD
CY2018Q2	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	18786000	USD
CY2019Q2	us-gaap	Depreciation Depreciation	7422000	USD
CY2018Q2	us-gaap	Depreciation Depreciation	7138000	USD
CY2019Q2	us-gaap	Adjustment For Amortization AdjustmentForAmortization	12781000	USD
CY2018Q2	us-gaap	Adjustment For Amortization AdjustmentForAmortization	12161000	USD
	us-gaap	Revenues Revenues	810406000	USD
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	550101000	USD
	us-gaap	Gross Profit GrossProfit	260305000	USD
	us-gaap	Revenues Revenues	810428000	USD
	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	552366000	USD
	us-gaap	Gross Profit GrossProfit	258062000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	223697000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	226606000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	37427000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	37284000	USD
	us-gaap	Depreciation Depreciation	14753000	USD
	us-gaap	Depreciation Depreciation	14260000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	25460000	USD
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	24015000	USD
CY2019Q2	seic	Gross Liability For Unrecognized Tax Benefits Exclusive Of Interest And Penalties GrossLiabilityForUnrecognizedTaxBenefitsExclusiveOfInterestAndPenalties	15479000	USD
CY2018Q4	seic	Gross Liability For Unrecognized Tax Benefits Exclusive Of Interest And Penalties GrossLiabilityForUnrecognizedTaxBenefitsExclusiveOfInterestAndPenalties	14367000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	15126000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	13774000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1677000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1289000	USD
CY2019Q2	seic	Gross Liability For Unrecognized Tax Benefits Exclusive Of Interest And Penalties GrossLiabilityForUnrecognizedTaxBenefitsExclusiveOfInterestAndPenalties	15479000	USD
CY2018Q4	seic	Gross Liability For Unrecognized Tax Benefits Exclusive Of Interest And Penalties GrossLiabilityForUnrecognizedTaxBenefitsExclusiveOfInterestAndPenalties	14367000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1677000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1289000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	17156000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	15656000	USD
CY2019Q2	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	2964000	USD
CY2018Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	3131000	USD
CY2019Q2	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	14192000	USD
CY2018Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	12525000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	17156000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	15656000	USD
CY2019Q2	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018Q2	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019Q2	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.026
CY2018Q2	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.023
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.026
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.023
CY2019Q2	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.001
CY2018Q2	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.001
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.001
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.001
CY2019Q2	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.011
CY2018Q2	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.020
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.011
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.065
CY2019Q2	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2018Q2	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2019Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.221
CY2018Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.211
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.221
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.165
CY2019Q2	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	7	Lawsuit
CY2019Q2	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	7	Lawsuit
	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	0	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1842000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1696000	USD
CY2019Q2	us-gaap	Revenues Revenues	409586000	USD
CY2019Q2	us-gaap	Revenues Revenues	409586000	USD
CY2018Q2	us-gaap	Revenues Revenues	404830000	USD
CY2018Q2	us-gaap	Revenues Revenues	404830000	USD
	us-gaap	Revenues Revenues	810406000	USD
	us-gaap	Revenues Revenues	810406000	USD
	us-gaap	Revenues Revenues	810428000	USD
	us-gaap	Revenues Revenues	810428000	USD
CY2019Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	2529000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	5097000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2328000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	8929000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	7618000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7326000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	7326000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	17530000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	51057000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3371000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	47686000	USD
CY2019Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8259000	USD
CY2019Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	39427000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	47686000	USD
CY2019Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y9M18D
CY2019Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0278
	us-gaap	Operating Lease Payments OperatingLeasePayments	5405000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2810000	USD
CY2019Q2	seic	Lessee Operating Lease Lease Not Yet Commenced Amount LesseeOperatingLeaseLeaseNotYetCommencedAmount	1291000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P5Y

Files In Submission

Name	View Source	Status
0000350894-19-000038-index-headers.html	Edgar Link	pending
0000350894-19-000038-index.html	Edgar Link	pending
0000350894-19-000038.txt	Edgar Link	pending
0000350894-19-000038-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
seic-20190630.xsd	Edgar Link	pending
seic-20190630_cal.xml	Edgar Link	unprocessable
seic-20190630_def.xml	Edgar Link	unprocessable
seic-20190630_lab.xml	Edgar Link	unprocessable
seic-20190630_pre.xml	Edgar Link	unprocessable
seic-6301910q.htm	Edgar Link	pending
seic-6301910qex311.htm	Edgar Link	pending
seic-6301910qex312.htm	Edgar Link	pending
seic-6301910qex32.htm	Edgar Link	pending
seic-6301910q_htm.xml	Edgar Link	completed
seic-earningsreleaseex.htm	Edgar Link	pending
seiexhibit991logoa24.jpg	Edgar Link	pending
seinwnaka20.jpg	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$SEIC
SEI INVESTMENTS CO Stock $seic

2019 Q3 Form 10-Q Financial Statement

#000035089419000038 Filed on July 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SEIC SEI INVESTMENTS CO Stock $seic

2019 Q3 Form 10-Q Financial Statement

#000035089419000038 Filed on July 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SEIC
SEI INVESTMENTS CO Stock $seic