$NSP
INSPERITY, INC. Stock $nsp

$nsp Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000100075322000050 Filed on October 31, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue	$1.490B	$1.439B
YoY Change	15.37%	18.98%
Cost Of Revenue	$1.249B	$1.195B
YoY Change	11.43%	18.14%
Gross Profit	$241.0M	$244.6M
YoY Change	41.27%	23.21%
Gross Profit Margin	16.18%	16.99%
Selling, General & Admin	$179.9M	$181.8M
YoY Change	23.96%	22.07%
% of Gross Profit	74.63%	74.36%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$10.29M	$10.08M
YoY Change	-4.98%	1.67%
% of Gross Profit	4.27%	4.12%
Operating Expenses	$190.2M	$191.9M
YoY Change	21.95%	20.8%
Operating Profit	$50.86M	$52.63M
YoY Change	246.5%	32.9%
Interest Expense	-$17.00K	$4.082M
YoY Change	-99.0%	107.95%
% of Operating Profit	-0.03%	7.76%
Other Income/Expense, Net
YoY Change
Pretax Income	$50.85M	$51.36M
YoY Change	291.88%	35.54%
Income Tax	$12.65M	$13.69M
% Of Pretax Income	24.88%	26.65%
Net Earnings	$38.23M	$37.67M
YoY Change	293.75%	38.0%
Net Earnings / Revenue	2.57%	2.62%
Basic Earnings Per Share		$0.99
Diluted Earnings Per Share	$0.99	$0.98
COMMON SHARES
Basic Shares Outstanding	37.93M shares	38.03M shares
Diluted Shares Outstanding		38.55M shares

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$765.9M	$596.6M
YoY Change	26.05%	19.18%
Cash & Equivalents	$732.8M	$562.1M
Short-Term Investments	$33.07M	$34.49M
Other Short-Term Assets	$61.73M	$51.47M
YoY Change	15.79%	-3.42%
Inventory
Prepaid Expenses
Receivables	$13.93M	$558.7M
Other Receivables	$8.384M	$0.00
Total Short-Term Assets	$1.512B	$1.289B
YoY Change	21.45%	6.84%
LONG-TERM ASSETS
Property, Plant & Equipment	$200.0M	$196.6M
YoY Change	-5.09%	-7.4%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$29.35M	$29.90M
YoY Change	93.65%	147.28%
Total Long-Term Assets	$527.4M	$492.5M
YoY Change	3.77%	-6.65%
TOTAL ASSETS
Total Short-Term Assets	$1.512B	$1.289B
Total Long-Term Assets	$527.4M	$492.5M
Total Assets	$2.039B	$1.782B
YoY Change	16.32%	2.74%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$7.732M	$5.466M
YoY Change	20.59%	28.61%
Accrued Expenses	$80.12M	$65.05M
YoY Change	15.61%	-8.15%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.353B	$1.121B
YoY Change	19.92%	11.66%
LONG-TERM LIABILITIES
Long-Term Debt	$369.4M	$369.4M
YoY Change	0.0%	0.0%
Other Long-Term Liabilities	$235.2M	$230.4M
YoY Change		-12.57%
Total Long-Term Liabilities	$604.6M	$599.8M
YoY Change	-3.46%	-5.23%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.353B	$1.121B
Total Long-Term Liabilities	$604.6M	$599.8M
Total Liabilities	$1.958B	$1.721B
YoY Change	11.58%	5.13%
SHAREHOLDERS EQUITY
Retained Earnings	$655.2M	$636.6M
YoY Change	18.35%	-0.19%
Common Stock	$151.7M	$139.9M
YoY Change	38.24%	33.08%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$725.5M	$716.0M
YoY Change	9.09%	10.84%
Treasury Stock Shares	17.61M shares
Shareholders Equity	$81.28M	$60.50M
YoY Change
Total Liabilities & Shareholders Equity	$2.039B	$1.782B
YoY Change	16.32%	2.74%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	$38.23M	$37.67M
YoY Change	293.75%	38.0%
Depreciation, Depletion And Amortization	$10.29M	$10.08M
YoY Change	-4.98%	1.67%
Cash From Operating Activities	$225.7M	$99.25M
YoY Change	9.91%	107.42%
INVESTING ACTIVITIES
Capital Expenditures	$13.88M	-$7.405M
YoY Change	-249.19%	155.79%
Acquisitions
YoY Change
Other Investing Activities	$1.610M	-$3.800M
YoY Change	127.72%	-322.35%
Cash From Investing Activities	-$12.27M	-$11.20M
YoY Change	42.74%	844.77%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-17.73M	-31.78M
YoY Change	-84.29%	14.25%
NET CHANGE
Cash From Operating Activities	225.7M	99.25M
Cash From Investing Activities	-12.27M	-11.20M
Cash From Financing Activities	-17.73M	-31.78M
Net Change In Cash	195.7M	56.26M
YoY Change	133.49%	198.55%
FREE CASH FLOW
Cash From Operating Activities	$225.7M	$99.25M
Capital Expenditures	$13.88M	-$7.405M
Free Cash Flow	$211.8M	$106.7M
YoY Change	-1.32%	110.18%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Registrant Name EntityRegistrantName	INSPERITY, INC.
	dei	Entity Central Index Key EntityCentralIndexKey	0001000753
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	37934341	shares
	nsp	Time Period Incurred Claims Expected To Be Paid Included In Deposits TimePeriodIncurredClaimsExpectedToBePaidIncludedInDeposits	Greater than 1 year
	nsp	Time Period Estimate Of Incurred Claim Costs To Be Paid Included In Long Term Liabilities TimePeriodEstimateOfIncurredClaimCostsToBePaidIncludedInLongTermLiabilities	Greater than 1 year
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-13998
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	37934341	shares
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	562143000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	575812000	usd
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	76-0479645
	dei	Entity Address Address Line1 EntityAddressAddressLine1	19001 Crescent Springs Drive
	dei	Entity Address City Or Town EntityAddressCityOrTown	Kingwood,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77339
	dei	City Area Code CityAreaCode	281
	dei	Local Phone Number LocalPhoneNumber	358-8986
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	98946	shares
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	51829000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	46929000	usd
CY2022Q3	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	34493000	usd
CY2021Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	31791000	usd
CY2022Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	558700000	usd
CY2021Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	513306000	usd
CY2022Q3	us-gaap	Prepaid Insurance PrepaidInsurance	30368000	usd
CY2021Q4	us-gaap	Prepaid Insurance PrepaidInsurance	11285000	usd
CY2022Q3	us-gaap	Other Assets Current OtherAssetsCurrent	51473000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	53312000	usd
CY2022Q3	us-gaap	Nontrade Receivables NontradeReceivables	0	usd
CY2021Q4	us-gaap	Nontrade Receivables NontradeReceivables	12413000	usd
CY2022Q3	us-gaap	Assets Current AssetsCurrent	1289006000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	1244848000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	196601000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	210723000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	56626000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	62830000	usd
CY2022Q3	nsp	Prepaid Health Insurance Noncurrent PrepaidHealthInsuranceNoncurrent	9000000	usd
CY2021Q4	nsp	Prepaid Health Insurance Noncurrent PrepaidHealthInsuranceNoncurrent	9000000	usd
CY2022Q3	nsp	Deposits Health Insurance DepositsHealthInsurance	7900000	usd
CY2021Q4	nsp	Deposits Health Insurance DepositsHealthInsurance	7900000	usd
CY2022Q3	nsp	Deposits Workers Compensation DepositsWorkersCompensation	179014000	usd
CY2021Q4	nsp	Deposits Workers Compensation DepositsWorkersCompensation	185027000	usd
CY2022Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	12707000	usd
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	12707000	usd
CY2022Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	748000	usd
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	4892000	usd
CY2022Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	29904000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	15158000	usd
CY2022Q3	us-gaap	Assets Assets	1781506000	usd
CY2021Q4	us-gaap	Assets Assets	1753085000	usd
CY2022Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	5466000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	6412000	usd
CY2022Q3	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	352129000	usd
CY2021Q4	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	467892000	usd
CY2022Q3	nsp	Accrued Worksite Employee Payroll Costs AccruedWorksiteEmployeePayrollCosts	494986000	usd
CY2021Q4	nsp	Accrued Worksite Employee Payroll Costs AccruedWorksiteEmployeePayrollCosts	409653000	usd
CY2022Q3	nsp	Accrued Health Insurance Costs AccruedHealthInsuranceCosts	64858000	usd
CY2021Q4	nsp	Accrued Health Insurance Costs AccruedHealthInsuranceCosts	50001000	usd
CY2022Q3	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	57023000	usd
CY2021Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	50534000	usd
CY2022Q3	us-gaap	Accrued Salaries Current And Noncurrent AccruedSalariesCurrentAndNoncurrent	81278000	usd
CY2021Q4	us-gaap	Accrued Salaries Current And Noncurrent AccruedSalariesCurrentAndNoncurrent	74778000	usd
CY2022Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	65053000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	69303000	usd
CY2022Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	455000	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	0	usd
CY2022Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1121248000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1128573000	usd
CY2022Q3	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	174664000	usd
CY2021Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	192694000	usd
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	369400000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	369400000	usd
CY2022Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	55691000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	64192000	usd
CY2022Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	599755000	usd
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	626286000	usd
CY2022Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	555000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	555000	usd
CY2022Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	139370000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	109179000	usd
CY2022Q3	us-gaap	Treasury Stock Value TreasuryStockValue	716046000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	665089000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	636624000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	553581000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	60503000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	-1774000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1781506000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1753085000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1439160000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1209628000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4449104000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3681834000	usd
CY2022Q3	nsp	Payroll Taxes Benefits And Workers Compensation Costs PayrollTaxesBenefitsAndWorkersCompensationCosts	1194607000	usd
CY2021Q3	nsp	Payroll Taxes Benefits And Workers Compensation Costs PayrollTaxesBenefitsAndWorkersCompensationCosts	1011149000	usd
	nsp	Payroll Taxes Benefits And Workers Compensation Costs PayrollTaxesBenefitsAndWorkersCompensationCosts	3678909000	usd
	nsp	Payroll Taxes Benefits And Workers Compensation Costs PayrollTaxesBenefitsAndWorkersCompensationCosts	3032356000	usd
CY2022Q3	us-gaap	Gross Profit GrossProfit	244553000	usd
CY2021Q3	us-gaap	Gross Profit GrossProfit	198479000	usd
	us-gaap	Gross Profit GrossProfit	770195000	usd
	us-gaap	Gross Profit GrossProfit	649478000	usd
CY2022Q3	nsp	Salaries Wages And Payroll Taxes SalariesWagesAndPayrollTaxes	109525000	usd
CY2021Q3	nsp	Salaries Wages And Payroll Taxes SalariesWagesAndPayrollTaxes	89232000	usd
	nsp	Salaries Wages And Payroll Taxes SalariesWagesAndPayrollTaxes	323486000	usd
	nsp	Salaries Wages And Payroll Taxes SalariesWagesAndPayrollTaxes	286669000	usd
CY2022Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13341000	usd
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10362000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	38818000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	35965000	usd
CY2022Q3	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	11068000	usd
CY2021Q3	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	8724000	usd
	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	32121000	usd
	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	24694000	usd
CY2022Q3	us-gaap	Advertising Expense AdvertisingExpense	9790000	usd
CY2021Q3	us-gaap	Advertising Expense AdvertisingExpense	9507000	usd
	us-gaap	Advertising Expense AdvertisingExpense	30812000	usd
	us-gaap	Advertising Expense AdvertisingExpense	23804000	usd
CY2022Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	38115000	usd
CY2021Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	31134000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	115215000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	91981000	usd
CY2022Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10083000	usd
CY2021Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	9917000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	30367000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	27715000	usd
CY2022Q3	us-gaap	Operating Expenses OperatingExpenses	191922000	usd
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	158876000	usd
	us-gaap	Operating Expenses OperatingExpenses	570819000	usd
	us-gaap	Operating Expenses OperatingExpenses	490828000	usd
CY2022Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	52631000	usd
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	39603000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	199376000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	158650000	usd
CY2022Q3	us-gaap	Interest Income Other InterestIncomeOther	2808000	usd
CY2021Q3	us-gaap	Interest Income Other InterestIncomeOther	251000	usd
	us-gaap	Interest Income Other InterestIncomeOther	3901000	usd
	us-gaap	Interest Income Other InterestIncomeOther	2230000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	4082000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	1963000	usd
	us-gaap	Interest Expense InterestExpense	8698000	usd
	us-gaap	Interest Expense InterestExpense	5537000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	51357000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	37891000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	194579000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	155343000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13688000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10595000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53427000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	40971000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	37669000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	27296000	usd
	us-gaap	Net Income Loss NetIncomeLoss	141152000	usd
	us-gaap	Net Income Loss NetIncomeLoss	114372000	usd
CY2022Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	0	usd
CY2021Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	39000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	27000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	219000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	37669000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27257000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	141125000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	114153000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.71
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.66
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.94
CY2022Q3	nsp	Gross Billings GrossBillings	9528695000	usd
CY2021Q3	nsp	Gross Billings GrossBillings	7994006000	usd
	nsp	Gross Billings GrossBillings	29111243000	usd
	nsp	Gross Billings GrossBillings	23682279000	usd
CY2022Q3	nsp	Worksite Employee Payroll Cost WorksiteEmployeePayrollCost	8089535000	usd
CY2021Q3	nsp	Worksite Employee Payroll Cost WorksiteEmployeePayrollCost	6784378000	usd
	nsp	Worksite Employee Payroll Cost WorksiteEmployeePayrollCost	24662139000	usd
	nsp	Worksite Employee Payroll Cost WorksiteEmployeePayrollCost	20000445000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1439160000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1209628000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4449104000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3681834000	usd
	us-gaap	Net Income Loss NetIncomeLoss	141152000	usd
	us-gaap	Net Income Loss NetIncomeLoss	114372000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	30367000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	27715000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	38818000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	35965000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4144000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7950000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	45394000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	186757000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	19083000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	9493000	usd
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-1839000	usd
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	13832000	usd
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	1985000	usd
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-4153000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-946000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-1953000	usd
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-115763000	usd
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-145098000	usd
	nsp	Increase Decreasein Wse Epayrollexpense IncreaseDecreaseinWSEEpayrollexpense	85333000	usd
	nsp	Increase Decreasein Wse Epayrollexpense IncreaseDecreaseinWSEEpayrollexpense	200054000	usd
	us-gaap	Increase Decrease In Health Care Insurance Liabilities IncreaseDecreaseInHealthCareInsuranceLiabilities	14857000	usd
	us-gaap	Increase Decrease In Health Care Insurance Liabilities IncreaseDecreaseInHealthCareInsuranceLiabilities	7681000	usd
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-11541000	usd
	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-864000	usd
	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	-12636000	usd
	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	22428000	usd
CY2022Q3	nsp	Workers Compensation Maximum Economic Burden First Layer Of Claims Per Occurrence WorkersCompensationMaximumEconomicBurdenFirstLayerOfClaimsPerOccurrence	1000000	usd
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	12868000	usd
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-7478000	usd
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-19122000	usd
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-59529000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	122030000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	54843000	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	35618000	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	41413000	usd
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	32215000	usd
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	42600000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16448000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	23603000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-19851000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-22416000	usd
	nsp	Treasury Stock Acquired TreasuryStockAcquired	63420000	usd
	nsp	Treasury Stock Acquired TreasuryStockAcquired	49770000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	56866000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	50198000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3130000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	4812000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-123416000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-95156000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-21237000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-62729000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	839500000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	786699000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	818263000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	723970000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4513000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	16275000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	-1774000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	63420000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	38818000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-2678000	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	56866000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-85000	usd
	us-gaap	Net Income Loss NetIncomeLoss	141152000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	60503000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	44132000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	49770000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	35965000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	240000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-2278000	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	50198000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-13000	usd
	us-gaap	Net Income Loss NetIncomeLoss	114372000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	1123445	shares
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	97006000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	35132000	usd
CY2022Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	6615000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13341000	usd
CY2022Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-779000	usd
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19769000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-34000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	37669000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	60503000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	87262000	usd
CY2021Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	11234000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	usd
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10362000	usd
CY2021Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-696000	usd
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17369000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-7000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	27296000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	97006000	usd
CY2022Q3	nsp	Percentageofourhealthinsurancecoverageprovidedby United PercentageofourhealthinsurancecoverageprovidedbyUnited	0.87
	nsp	Number Of Days In Advance Of Beginning Of Reporting Quarter Carrier Establishes Cash Funding Rates NumberOfDaysInAdvanceOfBeginningOfReportingQuarterCarrierEstablishesCashFundingRates	P90D
CY2022Q3	nsp	Prepaid Health Insurance Noncurrent PrepaidHealthInsuranceNoncurrent	9000000	usd
CY2022Q3	nsp	Required Deposit For Health Care Costs RequiredDepositForHealthCareCosts	6500000	usd
CY2022Q3	nsp	Prepaid Health Insurance Current And Noncurrent PrepaidHealthInsuranceCurrentAndNoncurrent	25200000	usd
CY2022Q3	nsp	Prepaid Health Insurance Noncurrent PrepaidHealthInsuranceNoncurrent	9000000	usd
CY2022Q3	nsp	Prepaid Health Insurance Current PrepaidHealthInsuranceCurrent	16200000	usd
CY2022Q3	nsp	Premiums Owed To United PremiumsOwedToUnited	57600000	usd
CY2022Q3	nsp	Benefits Costs Incurred Reduced Relatedto Runoff BenefitsCostsIncurredReducedRelatedtoRunoff	12800000	usd
CY2021Q3	nsp	Benefits Costs Incurred Reduced Relatedto Runoff BenefitsCostsIncurredReducedRelatedtoRunoff	4500000	usd
CY2022Q3	nsp	Workers Compensation Maximum Economic Burden First Layer Of Claims Per Occurrence WorkersCompensationMaximumEconomicBurdenFirstLayerOfClaimsPerOccurrence	1000000	usd
CY2022Q3	nsp	Workers Compensation Maximum Aggregate Economic Burden For Claims In Excess Of First Layer Cap Per Policy Year WorkersCompensationMaximumAggregateEconomicBurdenForClaimsInExcessOfFirstLayerCapPerPolicyYear	6000000	usd
CY2022Q3	nsp	Workers Compensation Maximum Economic Burden First Layer Of Claims Per Occurrence WorkersCompensationMaximumEconomicBurdenFirstLayerOfClaimsPerOccurrence	1000000	usd
CY2019Q4	nsp	Workers Compensation Maximum Economic Burden First Layer Of Claims Per Occurrence WorkersCompensationMaximumEconomicBurdenFirstLayerOfClaimsPerOccurrence	1500000	usd
CY2019Q4	nsp	Workers Compensation Maximum Economic Burden First Layer Of Claims Per Occurrence WorkersCompensationMaximumEconomicBurdenFirstLayerOfClaimsPerOccurrence	1500000	usd
CY2019Q4	nsp	Workers Compensation Maximum Aggregate Economic Burden For Claims In Excess Of First Layer Cap Per Policy Year WorkersCompensationMaximumAggregateEconomicBurdenForClaimsInExcessOfFirstLayerCapPerPolicyYear	6000000	usd
CY2019Q4	nsp	Workers Compensation Maximum Economic Burden First Layer Of Claims Per Occurrence WorkersCompensationMaximumEconomicBurdenFirstLayerOfClaimsPerOccurrence	1500000	usd
	nsp	Decrease Increase In Accrued Workers Compensation Costs For Changes In Estimated Losses DecreaseIncreaseInAccruedWorkersCompensationCostsForChangesInEstimatedLosses	-35300000	usd
	nsp	Decrease Increase In Accrued Workers Compensation Costs For Changes In Estimated Losses DecreaseIncreaseInAccruedWorkersCompensationCostsForChangesInEstimatedLosses	-31400000	usd
	nsp	Us Treasury Rates That Correspond With Weighted Average Estimated Claim Payout Period USTreasuryRatesThatCorrespondWithWeightedAverageEstimatedClaimPayoutPeriod	0.025
	nsp	Us Treasury Rates That Correspond With Weighted Average Estimated Claim Payout Period USTreasuryRatesThatCorrespondWithWeightedAverageEstimatedClaimPayoutPeriod	0.005
CY2021Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	239623000	usd
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	240761000	usd
	nsp	Workers Compensation Expense WorkersCompensationExpense	33467000	usd
	nsp	Workers Compensation Expense WorkersCompensationExpense	34349000	usd
	nsp	Workers Compensation Discount Changed During Period WorkersCompensationDiscountChangedDuringPeriod	-6485000	usd
	nsp	Workers Compensation Discount Changed During Period WorkersCompensationDiscountChangedDuringPeriod	476000	usd
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	40112000	usd
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	36580000	usd
CY2022Q3	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	226493000	usd
CY2021Q3	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	239006000	usd
CY2022Q3	nsp	Workers Compensation Liability Net Of Admin Fees Current WorkersCompensationLiabilityNetOfAdminFeesCurrent	51829000	usd
CY2021Q3	nsp	Workers Compensation Liability Net Of Admin Fees Current WorkersCompensationLiabilityNetOfAdminFeesCurrent	47813000	usd
CY2022Q3	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	174664000	usd
CY2021Q3	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	191193000	usd
CY2022Q3	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	226493000	usd
CY2021Q3	us-gaap	Workers Compensation Liability Current And Noncurrent WorkersCompensationLiabilityCurrentAndNoncurrent	239006000	usd
CY2022Q3	nsp	Workers Compensation Administrative Fees Accrued WorkersCompensationAdministrativeFeesAccrued	5200000	usd
	nsp	Undiscounted Accrued Workers Compensation Costs UndiscountedAccruedWorkersCompensationCosts	245500000	usd
	nsp	Undiscounted Accrued Workers Compensation Costs UndiscountedAccruedWorkersCompensationCosts	254500000	usd
	nsp	Time Period Incurred Claims Expected To Be Paid Recorded As Restricted TimePeriodIncurredClaimsExpectedToBePaidRecordedAsRestricted	P1Y
	nsp	Return Of Excess Claim Funds ReturnOfExcessClaimFunds	30200000	usd
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	51800000	usd
CY2022Q3	nsp	Deposits Workers Compensation DepositsWorkersCompensation	179000000	usd
	nsp	Time Period Estimate Of Incurred Claim Costs To Be Paid Included In Short Term Liabilities TimePeriodEstimateOfIncurredClaimCostsToBePaidIncludedInShortTermLiabilities	P1Y
CY2022Q3	nsp	Unbilled Unbilled	547600000	usd
CY2021Q4	nsp	Unbilled Unbilled	490500000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1439160000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1209628000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4449104000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3681834000	usd
CY2022Q3	nsp	Money Market Funds Overnight Holdings At Carrying Value MoneyMarketFundsOvernightHoldingsAtCarryingValue	503228000	usd
CY2021Q4	nsp	Money Market Funds Overnight Holdings At Carrying Value MoneyMarketFundsOvernightHoldingsAtCarryingValue	490154000	usd
CY2022Q3	us-gaap	Short Term Investments ShortTermInvestments	77982000	usd
CY2021Q4	us-gaap	Short Term Investments ShortTermInvestments	120742000	usd
CY2022Q3	us-gaap	Cash Cash	31111000	usd
CY2021Q4	us-gaap	Cash Cash	47331000	usd
CY2022Q3	srt	Drafts Payable DraftsPayable	15685000	usd
CY2021Q4	srt	Drafts Payable DraftsPayable	50624000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	596636000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	607603000	usd
CY2022Q3	nsp	Payroll Withholdings Included In Cash Balance PayrollWithholdingsIncludedInCashBalance	321900000	usd
CY2021Q4	nsp	Payroll Withholdings Included In Cash Balance PayrollWithholdingsIncludedInCashBalance	424800000	usd
CY2022Q3	nsp	Client Prepayments Included In Cash Balance ClientPrepaymentsIncludedInCashBalance	-35800000	usd
CY2021Q4	nsp	Client Prepayments Included In Cash Balance ClientPrepaymentsIncludedInCashBalance	-20100000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	575812000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	554846000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	46929000	usd
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	45522000	usd
CY2021Q4	us-gaap	Funds Held For Clients FundsHeldForClients	31732000	usd
CY2020Q4	us-gaap	Funds Held For Clients FundsHeldForClients	0	usd
CY2021Q4	nsp	Deposits Workers Compensation DepositsWorkersCompensation	185027000	usd
CY2020Q4	nsp	Deposits Workers Compensation DepositsWorkersCompensation	186331000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	839500000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	786699000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	562143000	usd
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	467921000	usd
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	51829000	usd
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	47813000	usd
CY2022Q3	us-gaap	Funds Held For Clients FundsHeldForClients	25277000	usd
CY2021Q3	us-gaap	Funds Held For Clients FundsHeldForClients	0	usd
CY2022Q3	nsp	Deposits Workers Compensation DepositsWorkersCompensation	179014000	usd
CY2021Q3	nsp	Deposits Workers Compensation DepositsWorkersCompensation	208236000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	818263000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	723970000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	546717000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	579105000	usd
CY2022Q3	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	23929000	usd
CY2021Q4	us-gaap	Us Government Securities At Carrying Value USGovernmentSecuritiesAtCarryingValue	5782000	usd
CY2022Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	10564000	usd
CY2021Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	26009000	usd
CY2022Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	581210000	usd
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	610896000	usd
CY2022Q3	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	650000000	usd
CY2022Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	700000000	usd
	nsp	Percentage Of Subsidiary Stock Securing Debt PercentageOfSubsidiaryStockSecuringDebt	0.65
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	369400000	usd
CY2022Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	1000000	usd
CY2022Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	279600000	usd
CY2022Q3	nsp	Applicable Margin Federal Funds Rate ApplicableMarginFederalFundsRate	0.0050
CY2022Q3	nsp	Adjusted Term Sofr Rate Plus Applicable Margin AdjustedTermSOFRRatePlusApplicableMargin	0.0200
	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0025
	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.028
	nsp	Aggregatenumberofsharesrepurchasedduringtheperiod Aggregatenumberofsharesrepurchasedduringtheperiod	679129	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	580183	shares
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	56900000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	50200000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	37669000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	27296000	usd
	us-gaap	Net Income Loss NetIncomeLoss	141152000	usd
	us-gaap	Net Income Loss NetIncomeLoss	114372000	usd
CY2022Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	0	usd
CY2021Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	39000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	27000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	219000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	37669000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27257000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	141125000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	114153000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38017000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38524000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38177000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38445000	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	529000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	357000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	431000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	404000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38546000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38881000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38608000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38849000	shares
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	15000	shares
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	13000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares

Files In Submission

Name	View Source	Status
nsp-20220930_def.xml	Edgar Link	unprocessable
0001000753-22-000050-index-headers.html	Edgar Link	pending
0001000753-22-000050-index.html	Edgar Link	pending
0001000753-22-000050.txt	Edgar Link	pending
0001000753-22-000050-xbrl.zip	Edgar Link	pending
a09302022-nspex311.htm	Edgar Link	pending
a09302022-nspex312.htm	Edgar Link	pending
a09302022-nspex321.htm	Edgar Link	pending
a09302022-nspex322.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
nsp-20220930.htm	Edgar Link	pending
nsp-20220930.xsd	Edgar Link	pending
nsp-20220930_g1.jpg	Edgar Link	pending
nsp-20220930_g10.jpg	Edgar Link	pending
nsp-20220930_g11.jpg	Edgar Link	pending
nsp-20220930_g2.jpg	Edgar Link	pending
nsp-20220930_g3.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
nsp-20220930_cal.xml	Edgar Link	unprocessable
nsp-20220930_g4.jpg	Edgar Link	pending
nsp-20220930_g5.jpg	Edgar Link	pending
nsp-20220930_g6.jpg	Edgar Link	pending
nsp-20220930_g7.jpg	Edgar Link	pending
nsp-20220930_g8.jpg	Edgar Link	pending
nsp-20220930_g9.jpg	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
R3.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
nsp-20220930_pre.xml	Edgar Link	unprocessable
nsp-20220930_lab.xml	Edgar Link	unprocessable
nsp-20220930_htm.xml	Edgar Link	completed

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$NSP
INSPERITY, INC. Stock $nsp

2022 Q4 Form 10-Q Financial Statement

#000100075322000050 Filed on October 31, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NSP INSPERITY, INC. Stock $nsp

2022 Q4 Form 10-Q Financial Statement

#000100075322000050 Filed on October 31, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NSP
INSPERITY, INC. Stock $nsp