10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-Q

(Mark One)

☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

	For the quarterly period ended	June 30, 2019
	or
☐	Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
	For the transition period from  _______________ to _______________

Commission File No. 1-13998

Insperity, Inc.

(Exact name of registrant as specified in its charter)

Delaware	76-0479645
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

19001 Crescent Springs Drive
Kingwood,	Texas	77339
(Address of principal executive offices)

(Registrant’s Telephone Number, Including Area Code):  (281) 358-8986

Securities registered pursuant to Section 12(b) of the Act:
Title of each class	Ticker symbol(s)	Name of each exchange on which registered
Common Stock, $.01 par value per share	NSP	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes ☒  No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒  No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company or an emerging growth company.  See definition of “large accelerated filer,” “accelerated filer”,

“non-accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Emerging growth company	☐
Smaller reporting company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐  No ☒

As of July 22, 2019, 41,186,348 shares of the registrant’s common stock, par value $0.01 per share, were outstanding.

TABLE OF CONTENTS

		Page
Part I, Item 1.	Financial Statements	4
	Condensed Consolidated Balance Sheets	4
	Consolidated Statements of Operations	5
	Consolidated Statements of Cash Flows	6
	Consolidated Statements of Stockholders’ Equity	8
	Notes to Consolidated Financial Statements	10
Part I, Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Part I, Item 3.	Quantitative and Qualitative Disclosures about Market Risk	34
Part I, Item 4.	Controls and Procedures	34
Part II, Item 1.	Legal Proceedings	35
Part II, Item 1A.	Risk Factors	35
Part II, Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	36
Part II, Item 6.	Exhibits	37

FINANCIAL STATEMENTS

(Unaudited)

PART I

Item 1. Financial Statements

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands)	June 30, 2019			December 31, 2018
Assets
Cash and cash equivalents	$	324,926		$	326,773
Restricted cash	43,268			42,227
Marketable securities	61,129			60,781
Accounts receivable, net	424,135			400,623
Prepaid insurance	24,469			8,411
Other current assets	29,794			27,721
Income taxes receivable	11,456			—
Total current assets	919,177			866,536
Property and equipment, net of accumulated depreciation	120,828			117,213
Right-of-use leased assets	54,189			—
Prepaid health insurance	9,000			9,000
Deposits – health insurance	6,600			6,200
Deposits – workers’ compensation	187,728			166,474
Goodwill and other intangible assets, net	12,720			12,726
Deferred income taxes, net	556			8,816
Other assets	6,197			4,851
Total assets	$	1,316,995		$	1,191,816
Liabilities and stockholders’ equity
Accounts payable	$	6,548		$	10,622
Payroll taxes and other payroll deductions payable	244,694			261,166
Accrued worksite employee payroll cost	373,532			329,979
Accrued health insurance costs	20,376			35,153
Accrued workers’ compensation costs	47,122			45,818
Accrued corporate payroll and commissions	37,820			60,704
Other accrued liabilities	39,756			28,890
Total current liabilities	769,848			772,332
Accrued workers’ compensation cost, net of current	188,241			187,412
Long-term debt	169,400			144,400
Operating lease liabilities, net of current	54,617			—
Other accrued liabilities, net of current	—			9,996
Total noncurrent liabilities	412,258			341,808
Commitments and contingencies
Common stock	555			555
Additional paid-in capital	41,009			36,752
Treasury stock, at cost	(383,830		)	(357,569		)
Retained earnings	477,155			397,938
Total stockholders’ equity	134,889			77,676
Total liabilities and stockholders’ equity	$	1,316,995		$	1,191,816

See accompanying notes.

Insperity | 2019 Second Quarter Form 10-Q 4

FINANCIAL STATEMENTS

(Unaudited)

CONSOLIDATED STATEMENTS OF OPERATIONS

	Three Months Ended   June 30,						Six Months Ended   June 30,
(in thousands, except per share amounts)	2019			2018			2019			2018
Revenues(1)	$	1,043,316		$	922,295		$	2,196,326		$	1,936,667
Payroll taxes, benefits and workers’ compensation costs	869,581			767,751			1,795,874			1,582,403
Gross profit	173,735			154,544			400,452			354,264
Salaries, wages and payroll taxes	74,696			68,748			158,076			155,934
Stock-based compensation	8,256			5,752			14,296			8,887
Commissions	7,741			6,979			14,693			13,045
Advertising	7,548			6,585			12,579			10,150
General and administrative expenses	29,866			27,419			63,028			57,271
Depreciation and amortization	6,908			5,480			13,599			10,693
Total operating expenses	135,015			120,963			276,271			255,980
Operating income	38,720			33,581			124,181			98,284
Other income (expense):
Interest income	2,802			1,807			6,047			3,263
Interest expense	(1,639		)	(1,108		)	(3,320		)	(2,178		)
Income before income tax expense	39,883			34,280			126,908			99,369
Income tax expense	11,327			9,720			22,063			24,818
Net income	$	28,556		$	24,560		$	104,845		$	74,551
Less distributed and undistributed earnings allocated to participating securities	(309		)	(346		)	(1,183		)	(1,064		)
Net income allocated to common shares	$	28,247		$	24,214		$	103,662		$	73,487
Net income per share of common stock
Basic	$	0.69		$	0.59		$	2.55		$	1.78
Diluted	$	0.69		$	0.58		$	2.54		$	1.77

 ____________________________________

⁽¹⁾  Revenues are comprised of gross billings less worksite employee (“WSEE”) payroll costs as follows:

	Three Months Ended   June 30,				Six Months Ended June 30,
(in thousands)	2019		2018		2019		2018
Gross billings	$	6,377,014	$	5,550,342	$	13,248,684	$	11,473,698
Less: WSEE payroll cost	5,333,698		4,628,047		11,052,358		9,537,031
Revenues	$	1,043,316	$	922,295	$	2,196,326	$	1,936,667

See accompanying notes.

Insperity | 2019 Second Quarter Form 10-Q 5

FINANCIAL STATEMENTS

(Unaudited)

CONSOLIDATED STATEMENTS OF CASH FLOWS

	Six Months Ended June 30,
(in thousands)	2019			2018
Cash flows from operating activities
Net income	$	104,845		$	74,551
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,599			10,693
Stock-based compensation	14,296			8,887
Deferred income taxes	8,260			(255		)
Changes in operating assets and liabilities:
Accounts receivable	(23,512		)	(17,773		)
Prepaid insurance	(16,058		)	(6,866		)
Other current assets	(2,073		)	4,351
Other assets	(2,033		)	(1,957		)
Accounts payable	(4,074		)	(2,324		)
Payroll taxes and other payroll deductions payable	(16,472		)	(89,815		)
Accrued worksite employee payroll expense	43,553			28,194
Accrued health insurance costs	(14,777		)	(1,948		)
Accrued workers’ compensation costs	2,133			9,926
Accrued corporate payroll, commissions and other accrued liabilities	(22,878		)	(15,183		)
Income taxes payable/receivable	(12,381		)	16,808
Total adjustments	(32,417		)	(57,262		)
Net cash provided by operating activities	72,428			17,289
Cash flows from investing activities
Marketable securities:
Purchases	(60,609		)	(11,849		)
Proceeds from dispositions	5,499			5,439
Proceeds from maturities	55,110			1,125
Property and equipment:
Purchases	(17,207		)	(14,025		)
Net cash used in investing activities	(17,207		)	(19,310		)
Cash flows from financing activities
Purchase of treasury stock	(38,796		)	(16,227		)
Dividends paid	(24,740		)	(16,786		)
Borrowings under revolving line of credit	25,000			—
Other	3,763			1,110
Net cash used in financing activities	(34,773		)	(31,903		)
Net increase (decrease) in cash, cash equivalents and restricted cash	20,448			(33,924		)
Cash, cash equivalents and restricted cash beginning of period	535,474			549,612
Cash, cash equivalents and restricted cash end of period	$	555,922		$	515,688

Insperity | 2019 Second Quarter Form 10-Q 6

FINANCIAL STATEMENTS

(Unaudited)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)

	Six Months Ended June 30,
(in thousands)	2019		2018
Supplemental schedule of cash and cash equivalents and restricted cash
Cash and cash equivalents	$	326,773	$	354,260
Restricted cash	42,227		41,137
Deposits – workers’ compensation	166,474		154,215
Cash, cash equivalents and restricted cash beginning of period	$	535,474	$	549,612
Cash and cash equivalents	$	324,926	$	308,711
Restricted cash	43,268		41,827
Deposits – workers’ compensation	187,728		165,150
Cash, cash equivalents and restricted cash end of period	$	555,922	$	515,688
Supplemental operating lease cash flow information:
ROU assets obtained in exchange for lease obligations	$	11,894	$	—

See accompanying notes.

Insperity | 2019 Second Quarter Form 10-Q 7

FINANCIAL STATEMENTS

(Unaudited)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

For the Six Months Ended June 30, 2019 and 2018

	Common Stock Issued			Additional Paid-In Capital			Treasury Stock			Retained Earnings and AOCI			Total
(in thousands)	Shares	Amount
Balance at December 31, 2018	55,489	$	555	$	36,752		$	(357,569	)	$	397,938		$	77,676
Purchase of treasury stock, at cost	—	—		—			(38,796		)	—			(38,796		)
Issuance of long-term incentive awards and dividend equivalents	—	—		(7,695		)	8,646			(951		)	—
Stock-based compensation expense	—	—		10,776			3,520			—			14,296
Other	—	—		1,176			369			—			1,545
Dividends paid	—	—		—			—			(24,740		)	(24,740		)
Unrealized gain on marketable securities, net of tax	—	—		—			—			63			63
Net income	—	—		—			—			104,845			104,845
Balance at June 30, 2019	55,489	$	555	$	41,009		$	(383,830	)	$	477,155		$	134,889
Balance at December 31, 2017	55,489	$	555	$	25,337		$	(256,363	)	$	296,792		$	66,321
Purchase of treasury stock, at cost	—	—		—			(16,227		)	—			(16,227		)
Issuance of long-term incentive awards and dividend equivalents	—	—		(5,764		)	6,619			(855		)	—
Stock-based compensation expense	—	—		7,005			1,882			—			8,887
Other	—	—		785			325			—			1,110
Dividends paid	—	—		—			—			(16,786		)	(16,786		)
Unrealized gain on marketable securities, net of tax	—	—		—			—			4			4
Net income	—	—		—			—			74,551			74,551
Balance at June 30, 2018	55,489	$	555	$	27,363		$	(263,764	)	$	353,706		$	117,860

Insperity | 2019 Second Quarter Form 10-Q 8

FINANCIAL STATEMENTS

(Unaudited)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (Continued)

For the Three Months Ended June 30, 2019 and 2018

	Common Stock Issued			Additional Paid-In Capital		Treasury Stock			Retained Earnings and AOCI			Total
(in thousands)	Shares	Amount
Balance at March 31, 2019	55,489	$	555	$	33,833	$	(376,097	)	$	460,903		$	119,194
Purchase of treasury stock, at cost	—	—		—		(9,759		)	—			(9,759		)
Stock-based compensation expense	—	—		6,436		1,820			—			8,256
Other	—	—		740		206			—			946
Dividends paid	—	—		—		—			(12,354		)	(12,354		)
Unrealized gain on marketable securities, net of tax	—	—		—		—			50			50
Net income	—	—		—		—			28,556			28,556
Balance at June 30, 2019	55,489	$	555	$	41,009	$	(383,830	)	$	477,155		$	134,889
Balance at March 31, 2018	55,489	$	555	$	22,648	$	(257,898	)	$	337,527		$	102,832
Purchase of treasury stock, at cost	—	—		—		(7,662		)	—			(7,662		)
Stock-based compensation expense	—	—		4,165		1,587			—			5,752
Other	—	—		550		209			—			759
Dividends paid	—	—		—		—			(8,384		)	(8,384		)
Unrealized gain on marketable securities, net of tax	—	—		—		—			3			3
Net income	—	—		—		—			24,560			24,560
Balance at June 30, 2018	55,489	$	555	$	27,363	$	(263,764	)	$	353,706		$	117,860

See accompanying notes.

Insperity | 2019 Second Quarter Form 10-Q 9

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Basis of Presentation

Insperity, Inc., a Delaware corporation (“Insperity,” “we,” “our,” and “us”), provides an array of human resources (“HR”) and business solutions designed to help improve business performance. Our most comprehensive HR services offerings are provided through our professional employer organization (“PEO”) services, known as Workforce Optimization^® and Workforce Synchronization^TM solutions (together, our “PEO HR Outsourcing solutions”), which encompass a broad range of HR functions, including payroll and employment administration, employee benefits, workers’ compensation, government compliance, performance management, and training and development services, along with our cloud-based human capital management solution, the Insperity Premier^TM platform.

In addition to our PEO HR Outsourcing solutions, we also offer a comprehensive traditional payroll and human capital management solution, known as Workforce Acceleration. We also offer a number of other business performance solutions, including Time and Attendance, Performance Management, Organizational Planning, Recruiting Services, Employment Screening, Expense Management, Retirement Services and Insurance Services, many of which are offered as a cloud-based software solution and are offered separately or with our other solutions.

The Consolidated Financial Statements include the accounts of Insperity and its wholly owned subsidiaries. Intercompany accounts and transactions have been eliminated in consolidation.

The preparation of financial statements in conformity with accounting principles generally accepted in the United States (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

The accompanying Consolidated Financial Statements should be read in conjunction with our audited Consolidated Financial Statements at and for the year ended December 31, 2018. Our Condensed Consolidated Balance Sheet at December 31, 2018 has been derived from the audited financial statements at that date, but does not include all of the information or footnotes required by GAAP for complete financial statements. Our Condensed Consolidated Balance Sheet at June 30, 2019 and our Consolidated Statements of Operations for the three and six month periods ended June 30, 2019 and 2018, our Consolidated Statements of Cash Flows for the six month periods ended June 30, 2019 and 2018 and our Consolidated Statements of Stockholders’ Equity for the three and six month periods ended June 30, 2019 and 2018, have been prepared by us without audit. In the opinion of management, all adjustments, consisting only of normal recurring adjustments necessary to present fairly the consolidated financial position, results of operations and cash flows, have been made. Certain prior year amounts have been reclassified to conform to the 2019 presentation.

The results of operations for the interim periods are not necessarily indicative of the operating results for a full year or of future operations.

2. Accounting Policies

Health Insurance Costs

We provide group health insurance coverage to our WSEEs in our PEO HR Outsourcing solutions through a national network of carriers, including UnitedHealthcare (“United”), UnitedHealthcare of California, Kaiser Permanente, Blue Shield of California, HMSA BlueCross BlueShield of Hawaii, and Tufts, all of which provide fully insured policies or service contracts.

The policy with United provides approximately 87% of our health insurance coverage. While the policy with United is a fully-insured plan, as a result of certain contractual terms, we have accounted for this plan since its inception using a partially self-funded insurance accounting model. Accordingly, we record the costs of the United plan, including an estimate of the incurred claims, taxes and administrative fees (collectively the “Plan Costs”) as benefits expense, which is a component of direct costs, in our Consolidated Statements of Operations. The estimated incurred claims are based upon: (1) the level of claims processed during the quarter; (2) estimated completion rates based upon recent claim development patterns under the plan; and (3) the number of participants in the plan, including both active and COBRA enrollees. Each reporting period, changes in the estimated ultimate costs resulting from claim trends, plan design and migration, participant demographics and other factors are incorporated into the benefits costs.

Insperity | 2019 Second Quarter Form 10-Q 10

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Additionally, since the plan’s inception, under the terms of the contract, United establishes cash funding rates 90 days in advance of the beginning of a reporting quarter. If the Plan Costs for a reporting quarter are greater than the premiums paid and owed to United, a deficit in the plan would be incurred and a liability for the excess costs would be accrued in our Condensed Consolidated Balance Sheets. On the other hand, if the Plan Costs for the reporting quarter are less than the premiums paid and owed to United, a surplus in the plan would be incurred and we would record an asset for the excess premiums in our Condensed Consolidated Balance Sheets. The terms of the arrangement require us to maintain an accumulated cash surplus in the plan of $9.0 million, which is reported as long-term prepaid insurance. In addition, United requires a deposit equal to approximately one day of claims funding activity, which was $5.0 million as of June 30, 2019, and is reported as a long-term asset. As of June 30, 2019, Plan Costs were less than the net premiums paid and owed to United by $16.4 million. As this amount is in excess of the agreed-upon $9.0 million surplus maintenance level, the $7.4 million difference is included in prepaid insurance, a current asset, in our Condensed Consolidated Balance Sheets. The premiums, including the additional quarterly premiums, owed to United at June 30, 2019 were $15.0 million, which is included in accrued health insurance costs, a current liability in our Condensed Consolidated Balance Sheets. Our benefits costs incurred in the first six months of 2019 included a charge of $3.5 million for changes in estimated run-off related to prior periods.

Workers’ Compensation Costs

Our workers’ compensation coverage for our WSEEs in our PEO HR Outsourcing solutions has been provided through an arrangement with the Chubb Group of Insurance Companies or its predecessors (the “Chubb Program”) since 2007. The Chubb Program is fully insured in that Chubb has the responsibility to pay all claims incurred under the policy regardless of whether we satisfy our responsibilities. Under the Chubb Program, we have financial responsibility to Chubb for the first $1 million layer of claims per occurrence and, for claims over $1 million, up to a maximum aggregate amount of $6 million per policy year for claims that exceed $1 million. Chubb bears the financial responsibility for all claims in excess of these levels.

Because we bear the financial responsibility for claims up to the levels noted above, such claims, which are the primary component of our workers’ compensation costs, are recorded in the period incurred. Workers’ compensation insurance includes ongoing health care and indemnity coverage whereby claims are paid over numerous years following the date of injury. Accordingly, the accrual of related incurred costs in each reporting period includes estimates, which take into account the ongoing development of claims and therefore requires a significant level of judgment.

We utilize a third-party actuary to estimate our loss development rate, which is primarily based upon the nature of WSEEs job responsibilities, the location of WSEEs, the historical frequency and severity of workers’ compensation claims, and an estimate of future cost trends. Each reporting period, changes in the actuarial assumptions resulting from changes in actual claims experience and other trends are incorporated into our workers’ compensation claims cost estimates. During the six months ended June 30, 2019 and 2018, we reduced accrued workers’ compensation costs by $19.0 million and $10.9 million, respectively, for changes in estimated losses related to prior reporting periods. Workers’ compensation cost estimates are discounted to present value at a rate based upon the U.S. Treasury rates that correspond with the weighted average estimated claim payout period (the average discount rate utilized in the 2019 period was 2.3% and in the 2018 period was 2.5%) and are accreted over the estimated claim payment period and included as a component of direct costs in our Consolidated Statements of Operations.

Insperity | 2019 Second Quarter Form 10-Q 11

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

The following table provides the activity and balances related to incurred but not paid workers’ compensation claims:

	Six Months Ended June 30,
(in thousands)	2019			2018
Beginning balance, January 1,	$	229,639		$	207,630
Accrued claims	27,299			33,260
Present value discount	(2,703		)	(3,360		)
Paid claims	(22,727		)	(21,686		)
Ending balance	$	231,508		$	215,844
Current portion of accrued claims	$	43,267		$	41,827
Long-term portion of accrued claims	188,241			174,017
Total accrued claims	$	231,508		$	215,844

The current portion of accrued workers’ compensation costs on our Condensed Consolidated Balance Sheets at June 30, 2019 includes $3.9 million of workers’ compensation administrative fees.

As of June 30, 2019 and 2018, the undiscounted accrued workers’ compensation costs were $250.9 million and $230.4 million, respectively.

At the beginning of each policy period, the workers’ compensation insurance carrier establishes monthly funding requirements comprised of premium costs and funds to be set aside for payment of future claims (“claim funds”). The level of claim funds is primarily based upon anticipated WSEE payroll levels and expected workers’ compensation loss rates, as determined by the insurance carrier. Monies funded into the program for incurred claims expected to be paid within one year are recorded as restricted cash, a short-term asset, while the remainder of claim funds are included in deposits – workers’ compensation, a long-term asset in our Condensed Consolidated Balance Sheets. During the six months ended June 30, 2019, we funded a collateral deposit of $6.4 million for policy years prior to 2007, which increased deposits. As of June 30, 2019, we had restricted cash of $43.3 million and deposits – workers’ compensation of $187.7 million.

Our estimate of incurred claim costs expected to be paid within one year is included in short-term liabilities, while our estimate of incurred claim costs expected to be paid beyond one year is included in long-term liabilities on our Condensed Consolidated Balance Sheets.

Revenue and Direct Cost Recognition

We enter into contracts with our customers for human resources services based on a stated rate and price in the contract. Our contracts generally have a term of 12 months, but are cancellable at any time by either party with 30-days’ notice. Our performance obligations are satisfied as services are rendered each month. The term between invoicing and when our performance obligations are satisfied is not significant. Payment terms are typically due concurrently with the invoicing of our PEO services. We do not have significant financing components or significant payment terms.

Our revenue is generally recognized ratably over the payroll period as WSEEs perform their service at the client worksite. Customers are invoiced concurrently with each periodic payroll of its WSEEs. Revenues that have been recognized but unbilled of $414.6 million and $385.6 million at June 30, 2019 and December 31, 2018, respectively, are included in accounts receivable, net on our Condensed Consolidated Balance Sheets.

Pursuant to the “practical expedients” provided under Accounting Standards Update (“ASU”) No 2014-09, we expense sales commissions when incurred because the terms of our contracts are cancellable by either party with a 30-day notice. These costs are recorded in commissions in our Consolidated Statements of Operations.

Insperity | 2019 Second Quarter Form 10-Q 12

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Our revenue for our PEO HR Outsourcing solutions by geographic region and for our other products and services offerings are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2019		2018		% Change		2019		2018		% Change
Northeast	$	270,475	$	239,278	13.0	%	$	581,422	$	511,642	13.6	%
Southeast	120,148		108,264		11.0	%	250,054		223,452		11.9	%
Central	179,443		153,025		17.3	%	375,196		321,092		16.8	%
Southwest	244,462		213,920		14.3	%	514,294		446,785		15.1	%
West	215,639		194,986		10.6	%	448,842		407,605		10.1	%
	1,030,167		909,473		13.3	%	2,169,808		1,910,576		13.6	%
Other revenue	13,149		12,822		2.6	%	26,518		26,091		1.6	%
Total revenue	$	1,043,316	$	922,295	13.1	%	$	2,196,326	$	1,936,667	13.4	%

3. Cash, Cash Equivalents and Marketable Securities

The following table summarizes our cash and investments in cash equivalents and marketable securities held by investment managers and overnight investments:

	June 30, 2019								December 31, 2018
(in thousands)	Cash & Cash Equivalents			Marketable Securities		Total			Cash & Cash Equivalents			Marketable Securities		Total
Overnight holdings	$	292,464		$	—	$	292,464		$	311,158		$	—	$	311,158
Investment holdings	13,515			61,129		74,644			16,711			60,781		77,492
Cash in demand accounts	39,915			—		39,915			33,207			—		33,207
Outstanding checks	(20,968		)	—		(20,968		)	(34,303		)	—		(34,303		)
Total	$	324,926		$	61,129	$	386,055		$	326,773		$	60,781	$	387,554

Our cash and overnight holdings fluctuate based on the timing of clients’ payroll processing cycles. Included in the cash, cash equivalents and marketable securities at June 30, 2019 and December 31, 2018 are $218.0 million and $224.5 million, respectively, of funds associated with federal and state income tax withholdings, employment taxes and other payroll deductions, as well as $37.4 million and $34.2 million in client prepayments, respectively.

4. Fair Value Measurements

We account for our financial assets in accordance with Accounting Standard Codification 820, Fair Value Measurement. This standard defines fair value, establishes a framework for measuring fair value and expands disclosures about fair value measurements. The fair value measurement disclosures are grouped into three levels based on valuation factors:

• Level 1 - quoted prices in active markets using identical assets

• Level 2 - significant other observable inputs, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other observable inputs

• Level 3 - significant unobservable inputs

Fair Value of Instruments Measured and Recognized at Fair Value

The following table summarizes the levels of fair value measurements of our financial assets:

Insperity | 2019 Second Quarter Form 10-Q 13

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

	June 30, 2019						December 31, 2018
(in thousands)	Total		Level 1		Level 2		Total		Level 1		Level 2
Money market funds	$	303,908	$	303,908	$	—	$	325,819	$	325,819	$	—
U.S. Treasury bills	59,775		59,775		—		52,197		52,197		—
Municipal bonds	3,425		—		3,425		10,634		—		10,634
Total	$	367,108	$	363,683	$	3,425	$	388,650	$	378,016	$	10,634

The municipal bond securities valued as Level 2 are primarily pre-refunded municipal bonds that are secured by escrow funds containing U.S. government securities. Our valuation techniques used to measure fair value for these securities during the period consisted primarily of third-party pricing services that utilized actual market data such as trades of comparable bond issues, broker/dealer quotations for the same or similar investments in active markets and other observable inputs.

The following is a summary of our available-for-sale marketable securities:

(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
June 30, 2019
U.S. Treasury bills	$	57,650	$	54	$	—		$	57,704
Municipal bonds	3,425		—		—			3,425
Total	$	61,075	$	54	$	—		$	61,129
December 31, 2018
U.S. Treasury bills	$	50,150	$	—	$	(3	)	$	50,147
Municipal bonds	10,640		1		(7		)	10,634
Total	$	60,790	$	1	$	(10	)	$	60,781

As of June 30, 2019, the contractual maturities of our marketable securities were as follows:

(in thousands)	Amortized Cost		Estimated Fair Value
Less than one year	$	61,075	$	61,129
One to five years	—		—
Total	$	61,075	$	61,129

Fair Value of Other Financial Instruments

The carrying amounts of cash, cash equivalents, restricted cash, accounts receivable, deposits and accounts payable approximate their fair values due to the short-term maturities of these instruments.

As of June 30, 2019, the carrying value of borrowings under our revolving credit facility approximates fair value and was classified as Level 2 in the fair value hierarchy. Please read Note 5, “Long-Term Debt,” for additional information.

5. Long-Term Debt

We have a revolving credit facility (the “Facility”) with borrowing capacity up to $350 million. The Facility may be increased to $400 million based on the terms and subject to the conditions set forth in the agreement relating to the Facility (the “Credit Agreement”). The Facility is available for working capital and general corporate purposes, including acquisitions, stock repurchases and issuances of letters of credit. Our obligations under the Facility are secured by 65% of the stock of our captive insurance subsidiary and are guaranteed by all of our domestic

Insperity | 2019 Second Quarter Form 10-Q 14

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

subsidiaries. At June 30, 2019, our outstanding balance on the Facility was $169.4 million, and we had an outstanding $1.0 million letter of credit issued under the Facility, resulting in an available borrowing capacity of $179.6 million.

The Facility matures on February 6, 2023. Borrowings under the Facility bear interest at an alternate base rate or LIBOR, at our option, plus an applicable margin. Depending on our leverage ratio, the applicable margin varies (1) in the case of LIBOR loans, from 1.50% to 2.25% and (2) in the case of alternate base rate loans, from 0.00% to 0.50%. The alternate base rate is the highest of (1) the prime rate most recently published in The Wall Street Journal, (2) the federal funds rate plus 0.50% and (3) the 30-day LIBOR rate plus 2.00%. We also pay an unused commitment fee on the average daily unused portion of the Facility at a rate of 0.25%. The average interest rate for the period ended June 30, 2019 was 4.00%. Interest expense and unused commitment fees are recorded in other income (expense).

The Facility contains both affirmative and negative covenants that we believe are customary for arrangements of this nature. Covenants include, but are not limited to, limitations on our ability to incur additional indebtedness, sell material assets, retire, redeem or otherwise reacquire our capital stock, acquire the capital stock or assets of another business, make investments and pay dividends. In addition, the Credit Agreement requires us to comply with financial covenants limiting our total funded debt, minimum interest coverage ratio and maximum leverage ratio. We were in compliance with all financial covenants under the Credit Agreement at June 30, 2019.

6. Leases

In February 2016, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-02, Leases (Topic 842), which requires lessees to recognize a right-of-use (“ROU”) asset and a lease liability for all leases with terms greater than 12 months and also requires disclosures by lessees and lessors about the amount, timing and uncertainty of cash flows arising from leases. Subsequent to the issuance of Topic 842, the FASB clarified the guidance through several ASUs; hereinafter, the collection of lease guidance is referred to as “ASC 842”.

On January 1, 2019 we adopted ASC 842 using the modified retrospective transition method. Results for the reporting period beginning January 1, 2019 are presented under ASC 842, while prior period amounts were not adjusted and continue to be reported in accordance with our historical accounting under ASC 840, Leases. Upon adoption of ASC 842, we increased our total assets and liabilities due to the recording of operating lease ROU assets and operating lease liabilities of approximately $50.8 million and $63.7 million, respectively, as of January 1, 2019. These increases did not have a material impact on our results of operations or cash flows.

For all leases that commenced before the effective date of ASC 842, we elected to apply the permitted practical expedients to not reassess the following: (1) whether any expired or existing contracts contain leases; (2) the lease classification for any expired or existing leases; and (3) initial direct costs for any existing leases.

We determine if an arrangement is a lease at inception of a contract. ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. ROU assets and lease liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. As most of our leases do not provide an implicit interest rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The lease terms used to calculate the ROU asset and related lease liability include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for operating leases is recognized on a straight-line basis over the lease term as an operating expense. We have lease agreements which require payments for lease and non-lease components and have elected to account for these as a single lease component related to our other operating facilities.

We have operating leases for office space, other operating facilities, vehicles and office equipment. Our fixed operating lease costs for the three and six months ended June 30, 2019 were $3.8 million and $7.6 million, respectively, and are included in general and administrative expenses on our Consolidated Statements of Operations. During the six months ended June 30, 2019, cash paid for amounts included in the measurement of operating lease liabilities was $8.1 million.

Insperity | 2019 Second Quarter Form 10-Q 15

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

The following table presents the lease balances within our Condensed Consolidated Balance Sheets, weighted average lease term and weighted average discount rates related to our operating leases:

(dollars in thousands)	Classification in Condensed Consolidated Balance Sheets	June 30, 2019
Operating lease ROU assets	Right-of-use leased assets	$	54,189
Lease liabilities:
Current operating lease liabilities	Other accrued liabilities	$	14,241
Long-term operating lease liabilities	Operating lease liabilities, net of current	54,617
Total operating lease liabilities		$	68,858
Less:
Landlord funded tenant improvements		$	10,555
Deferred rent		4,114
Operating lease ROU assets		$	54,189
Weighted average remaining lease term (years)		6
Weighted average discount rate		4.7		%

The following presents the maturity of our operating leases liabilities as of June 30, 2019:

(in thousands)	Operating Leases
Remainder of 2019	$	8,578
2020	16,035
2021	13,185
2022	11,637
2023	9,286
Thereafter	20,606
Total remaining obligation	79,327
Less imputed interest	10,469
Present value of lease liabilities	$	68,858

As of June 30, 2019, we have additional operating leases that have not yet commenced of $16.6 million with lease terms ranging from 4 years to 7 years.

7. Stockholders' Equity

During the first six months of 2019, we repurchased or withheld an aggregate of 315,369 shares of our common stock, as described below.

Repurchase Program

Our Board of Directors (the “Board”) has authorized a program to repurchase shares of our outstanding common stock (“Repurchase Program”). The purchases are to be made from time to time in the open market or directly from stockholders at prevailing market prices based on market conditions and other factors. During the six months ended June 30, 2019, 88,210 shares were repurchased under the Repurchase Program. As of June 30, 2019, we were authorized to repurchase an additional 1,522,945 shares under the Repurchase Program.

Withheld Shares

During the six months ended June 30, 2019, we withheld 227,159 shares to satisfy tax withholding obligations for the vesting of long-term incentive and restricted stock awards.

Insperity | 2019 Second Quarter Form 10-Q 16

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Dividends

The Board declared quarterly dividends as follows:

(amounts per share)	2019		2018
First quarter	$	0.30	$	0.20
Second quarter	0.30		0.20

During the six months ended June 30, 2019 and 2018, we paid dividends totaling $24.7 million and $16.8 million, respectively.

8. Net Income Per Share

We utilize the two-class method to compute net income per share. The two-class method allocates a portion of net income to participating securities, which includes unvested awards of share-based payments with non-forfeitable rights to receive dividends. Net income allocated to unvested share-based payments is excluded from net income allocated to common shares. Any undistributed losses resulting from dividends exceeding net income are not allocated to participating securities. Basic net income per share is computed by dividing net income allocated to common shares by the weighted average number of common shares outstanding during the period. Diluted net income per share is computed by dividing net income allocated to common shares by the weighted average number of common shares outstanding during the period, plus the dilutive effect of outstanding stock options.

The following table summarizes the net income allocated to common shares and the basic and diluted shares used in the net income per share computations:

	Three Months Ended June 30,						Six Months Ended   June 30,
(in thousands)	2019			2018			2019			2018
Net income	$	28,556		$	24,560		$	104,845		$	74,551
Less distributed and undistributed earnings allocated to participating securities	(309		)	(346		)	(1,183		)	(1,064		)
Net income allocated to common shares	$	28,247		$	24,214		$	103,662		$	73,487
Weighted average common shares outstanding	40,771			41,377			40,640			41,301
Incremental shares from assumed LTIP awards and conversions of common stock options	145			156			140			324
Adjusted weighted average common shares outstanding	40,916			41,533			40,780			41,625

9. Commitments and Contingencies

Worksite Employee 401(k) Retirement Plan Class Action Litigation

In December 2015, a class action lawsuit was filed against us and a third-party who served as the discretionary trustee of the Insperity 401(k) retirement plan that is available to eligible worksite employees (the “Plan”) in the United States District Court for the Northern District of Georgia, Atlanta Division, on behalf of Plan participants. The suit generally alleges the third-party discretionary trustee of the Plan and Insperity breached their fiduciary duties to plan participants by selecting an Insperity subsidiary to serve as the recordkeeper for the Plan, by causing participants in the Plan to pay excessive recordkeeping fees to the Insperity subsidiary, by failing to monitor other fiduciaries, and by making imprudent investment choices. The court certified a class defined as “all participants and beneficiaries of the Insperity 401(k) Plan from December 22, 2009 through September 30, 2017.” The court dismissed the breach of fiduciary duty claims relating to the selection of an Insperity subsidiary to serve as the recordkeeper of the Plan. On March 28, 2019, the court partially granted Insperity’s motion for summary judgment, resulting in the dismissal of the

Insperity | 2019 Second Quarter Form 10-Q 17

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

claims concerning allegations of excessive recordkeeping fees. The court has denied plaintiffs’ request for a jury trial and has set a bench trial for March 2, 2020. With respect to plaintiffs’ remaining claims, plaintiffs allege damages up to $128 million against all defendants. We believe we have meritorious defenses, and we intend to vigorously defend this litigation. As a result of uncertainty regarding the outcome of this matter, no provision has been made in the accompanying consolidated financial statements.

Other Litigation

We are a defendant in various other lawsuits and claims arising in the normal course of business. Management believes it has valid defenses in these cases and is defending them vigorously. While the results of litigation cannot be predicted with certainty, management believes the final outcome of such litigation will not have a material adverse effect on our financial position or results of operations.

Insperity | 2019 Second Quarter Form 10-Q 18

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2018, as well as our Consolidated Financial Statements and notes thereto included in this Quarterly Report on Form 10-Q.

Executive Summary

Overview

Insperity, Inc. (“Insperity,” “we,” “our,” and “us”) provides an array of human resources (“HR”) and business solutions designed to help improve business performance. Our most comprehensive HR services offerings are provided through our professional employer organization (“PEO”) services, known as Workforce Optimization^® and Workforce Synchronization^TM solutions (together, our “PEO HR Outsourcing solutions”), which encompass a broad range of HR functions, including payroll and employment administration, employee benefits, workers’ compensation, government compliance, performance management, and training and development services, along with our cloud-based human capital management solution, the Insperity Premier^TM platform.

2019 Highlights

Our results for 2019 reflect the impact of continued worksite employee (“WSEE”) growth and effective management of gross profit and operating costs contributing to our significant earnings growth.

Second Quarter 2019 Compared to Second Quarter 2018

• Average number of WSEEs paid per month increased 13.8%

• Net income and diluted earnings per share (“diluted EPS”) increased 16.3% and 19.0%, to $28.6 million and $0.69, respectively

• Adjusted EPS increased 22.1% to $0.83

• Adjusted EBITDA increased 21.6% to $56.7 million

First Six Months 2019 Compared to First Six Months 2018

• Average number of WSEEs paid per month increased 14.5%

• Net income and diluted EPS increased 40.6% and 43.5% to $104.8 million and $2.54, respectively

• Adjusted EPS increased 34.4% to $2.81

• Adjusted EBITDA increased 21.2% to $158.1 million

Please read “Non-GAAP Financial Measures” for a reconciliation of adjusted EBITDA and adjusted EPS to their most directly comparable financial measures calculated and presented in accordance with GAAP.

Insperity | 2019 Second Quarter Form 10-Q 19

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Key Financial and Statistical Data

(in thousands, except per share and WSEE data)	Three Months Ended June 30,						Six Months Ended June 30,
	2019		2018		% Change		2019		2018		% Change
Financial data:
Revenues	$	1,043,316	$	922,295	13.1	%	$	2,196,326	$	1,936,667	13.4	%
Gross profit	173,735		154,544		12.4	%	400,452		354,264		13.0	%
Operating expenses	135,015		120,963		11.6	%	276,271		255,980		7.9	%
Operating income	38,720		33,581		15.3	%	124,181		98,284		26.3	%
Other income (expense)	1,163		699		66.4	%	2,727		1,085		151.3	%
Net income	28,556		24,560		16.3	%	104,845		74,551		40.6	%
Diluted EPS	0.69		0.58		19.0	%	2.54		1.77		43.5	%
Non-GAAP financial measures(1):
Adjusted net income	$	34,467	$	28,681	20.2	%	$	116,051	$	88,227	31.5	%
Adjusted EBITDA	56,686		46,620		21.6	%	158,123		130,433		21.2	%
Adjusted EPS	0.83		0.68		22.1	%	2.81		2.09		34.4	%
Average WSEEs paid	232,010		203,950		13.8	%	228,768		199,816		14.5	%
Statistical data (per WSEE per month):
Revenues(2)	$	1,499	$	1,507	(0.5	)%	$	1,600	$	1,615	(0.9	)%
Gross profit	250		253		(1.2	)%	292		295		(1.0	)%
Operating expenses	194		198		(2.0	)%	201		214		(6.1	)%
Operating income	56		55		1.8	%	90		82		9.8	%
Net income	41		40		2.5	%	76		62		22.6	%

 ____________________________________

⁽¹⁾  Please read “Non-GAAP Financial Measures” for a reconciliation of the non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.

⁽²⁾  Revenues per WSEE per month are comprised of gross billings per WSEE per month less WSEE payroll costs per WSEE per month as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(per WSEE per month)	2019		2018		2019		2018
Gross billings	$	9,162	$	9,071	$	9,652	$	9,570
Less: WSEE payroll cost	7,663		7,564		8,052		7,955
Revenues	$	1,499	$	1,507	$	1,600	$	1,615

New Accounting Pronouncements

Please read Note 2 to the Consolidated Financial Statements, "Accounting Policies – New Accounting Pronouncements," for new accounting pronouncements information.

Insperity | 2019 Second Quarter Form 10-Q 20

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Results of Operations

Key Operating Metrics

We monitor certain key metrics to measure our performance, including:

• WSEE

• Adjusted EBITDA

• Adjusted EPS

Our growth in the number of WSEEs paid is affected by three primary sources: new client sales, client retention and the net change in existing clients through WSEE new hires and layoffs.

• During the second quarter of 2019 (“Q2 2019”), the number of WSEEs paid from new client sales increased over the second quarter of 2018 (“Q2 2018”) due to an 11.1% increase in the number of Business Performance Advisors. Additionally, client retention remained at high levels with a retention rate just above 99% in both periods. Net gains in our client base during Q2 2019 declined compared to Q2 2018 due to less hiring of full-time and seasonal employees.

• During the first six months of 2019 (“YTD 2019”), the number of WSEEs paid from new client sales increased over the first six months of 2018 (“YTD 2018”) due to a 9.9% increase in the number of Business Performance Advisors. Additionally, client retention remained consistent compared to YTD 2018. Net gains in our client base declined compared to YTD 2018 due to less hiring of full-time and seasonal employees.

Average WSEEs Paid and

Year-over-Year Growth Percentage

  

Insperity | 2019 Second Quarter Form 10-Q 21

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Adjusted EBITDA and

Year-over-Year Growth Percentage

(in thousands)

  

Adjusted EPS and

Year-over-Year Growth Percentage

(amounts per share)

  

Revenues

Our PEO HR Outsourcing solutions revenues are primarily derived from our gross billings, which are based on (1) the payroll cost of our WSEEs and (2) a markup computed as a percentage of the payroll cost.

Our revenues are primarily dependent on the number of clients enrolled, the resulting number of WSEEs paid each period and the number of WSEEs enrolled in our benefit plans. Because our total markup is computed as a percentage of payroll cost, certain revenues are also affected by the payroll cost of WSEEs, which may fluctuate based on the composition of the WSEE base, inflationary effects on wage levels and differences in the local economies of our markets.

Insperity | 2019 Second Quarter Form 10-Q 22

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Revenue and

Year-over-Year Growth Percentage

(in thousands)

  

Second Quarter 2019 Compared to Second Quarter 2018

Our revenues for Q2 2019 were $1.0 billion, an increase of 13.1%, primarily due to the following:

• Average WSEEs paid increased 13.8%.

• Revenues per WSEE per month decreased 0.5%, or $8 on lower WSEE medical participation.

First Six Months 2019 Compared to First Six Months 2018

Our revenues for YTD 2019 were $2.2 billion, an increase of 13.4%, primarily due to the following:

• Average WSEEs paid increased 14.5%.

• Revenues per WSEE per month decreased 0.9%, or $15 on lower WSEE medical participation.

Insperity | 2019 Second Quarter Form 10-Q 23

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

We provide our PEO HR Outsourcing solutions to small and medium-sized businesses in strategically selected markets throughout the United States. Our PEO HR Outsourcing solutions revenue distribution by region follows:

PEO HR Outsourcing Solutions Revenue by Region

(in thousands)

   

The percentage of total PEO HR Outsourcing solutions revenue in our significant markets includes the following:

Significant Markets

   

Gross Profit

In determining the pricing of the markup component of our gross billings, we take into consideration our estimates of the costs directly associated with our WSEEs, including payroll taxes, benefits and workers’ compensation costs, plus an acceptable gross profit margin. As a result, our operating results are significantly impacted by our ability to accurately estimate, control and manage our direct costs relative to the revenues derived from the markup component of our gross billings.

Our gross profit per WSEE is primarily determined by our ability to accurately estimate and control direct costs and our ability to incorporate changes in these costs into the gross billings charged to PEO HR Outsourcing solutions

Insperity | 2019 Second Quarter Form 10-Q 24

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

clients, which are subject to pricing arrangements that are typically renewed annually. We use gross profit per WSEE per month as our principal measurement of relative performance at the gross profit level.

Gross Profit and
Year-over-Year Growth Percentage
(in thousands)

  

Gross Profit per WSEE per Month and
Year-over-Year Growth Percentage

  

Second Quarter 2019 Compared to Second Quarter 2018

Gross profit for Q2 2019 increased 12.4% to $173.7 million compared to $154.5 million in Q2 2018. Gross profit per WSEE per month for Q2 2019 decreased $3 to $250 compared to $253 in Q2 2018.

Our pricing objectives attempt to achieve a level of revenue per WSEE that matches or exceeds changes in primary direct costs and operating expenses. Our revenues and direct costs per WSEE per month decreased $8 and $5, respectively, due primarily to lower benefit participation in Q2 2019. The net decrease in costs between Q2 2019 and Q2 2018 due to the changes in cost estimates for benefits and workers’ compensation totaled $5.1 million as discussed below. The primary direct cost components changed as follows:

Benefits costs

• The cost of group health insurance and related employee benefits was flat on a per WSEE per month basis, due in part to the decrease in medical participation noted below, but increased 3.1% on a cost per covered employee basis due in part to an increase in large claim activity during the period.

Insperity | 2019 Second Quarter Form 10-Q 25

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

• The percentage of WSEEs covered under our health insurance plans was 66.6% in Q2 2019 compared to 68.6% in Q2 2018 due in part to a large client added in the third quarter of 2018 not covered under our medical plan.

• Changes in estimated claims run-off related to prior periods was a charge of $7.3 million, or $10 per WSEE per month, in Q2 2019 compared to a charge of $6.8 million, or $11 per WSEE per month, in Q2 2018.

Please read Note 2 to the Consolidated Financial Statements, “Accounting Policies – Health Insurance Costs,” for a discussion of our accounting for health insurance costs.

Workers’ compensation costs

Our continued discipline around our client selection, safety and claims management contributed to the decrease in our cost per WSEE and, as a result, has allowed for claims within our policy periods to be closed out at amounts below our original cost estimates.

• Workers’ compensation costs decreased 18.3%, or $9 on a per WSEE per month basis, in Q2 2019 compared to Q2 2018.

• As a percentage of non-bonus payroll cost, workers’ compensation costs in Q2 2019 were 0.34% compared to 0.48% in Q2 2018.

• As a result of closing out claims at lower than expected costs, we recorded a reduction in workers’ compensation costs of $11.8 million, or 0.24% of non-bonus payroll costs, in Q2 2019 compared to a reduction of $6.2 million, or 0.14% of non-bonus payroll costs, in Q2 2018.

Please read Note 2 to the Consolidated Financial Statements, “Accounting Policies – Workers’ Compensation Costs,” for a discussion of our accounting for workers’ compensation costs.

Payroll tax costs

• Payroll taxes increased 14.6% on a 15.2% increase in payroll costs, or $4 per WSEE per month.

• Payroll taxes as a percentage of payroll costs were 6.9% in both Q2 2019 and Q2 2018.

First Six Months 2019 Compared to First Six Months 2018

Gross profit for YTD 2019 increased 13.0% to $400.5 million compared to $354.3 million in YTD 2018. Gross profit per WSEE per month for YTD 2019 decreased $3 to $292 compared to $295 in YTD 2018.

Our pricing objectives attempt to achieve a level of revenue per WSEE that matches or exceeds changes in primary direct costs and operating expenses. Our revenues and direct costs per WSEE per month decreased $15 and $12, respectively, due primarily to lower benefit participation in YTD 2019. The net decrease in costs between YTD 2019 and YTD 2018 due to the changes in cost estimates for benefits and workers’ compensation totaled $2.7 million as discussed below. The primary direct cost components changed as follows:

Benefits costs

• The cost of group health insurance and related employee benefits decreased $2 per WSEE per month, due in part to the decrease in medical participation noted below, but increased 2.9% on a cost per covered employee basis due in part to an increase in large claim activity during the period.

• The percentage of WSEEs covered under our health insurance plans was 67.0% in YTD 2019 compared to 69.1% in YTD 2018 due in part to a large client added in the third quarter of 2018 not covered under our medical plan.

• Changes in estimated claims run-off related to prior periods was a charge of $3.5 million, or $3 per WSEE per month, in YTD 2019 compared to a reduction of $1.9 million, or $2 per WSEE per month, in YTD 2018.

Please read Note 2 to the Consolidated Financial Statements, “Accounting Policies – Health Insurance Costs,” for a discussion of our accounting for health insurance costs.

Insperity | 2019 Second Quarter Form 10-Q 26

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Workers’ compensation costs

Our continued discipline around our client selection, safety and claims management contributed to the decrease in our cost per WSEE and, as a result, has allowed for claims within our policy periods to be closed out at amounts below our original cost estimates.

• Workers’ compensation costs decreased 10.4%, or $7 on a per WSEE per month basis, in YTD 2019 compared to YTD 2018.

• As a percentage of non-bonus payroll cost, workers’ compensation costs in YTD 2019 were 0.38% compared to 0.49% in YTD 2018.

• As a result of closing out claims at lower than expected costs, we recorded a reduction in workers’ compensation costs of $19.0 million, or 0.20% of non-bonus payroll costs, in YTD 2019 compared to a reduction of $10.9 million, or 0.13% of non-bonus payroll costs, in YTD 2018.

Please read Note 2 to the Consolidated Financial Statements, “Accounting Policies – Workers’ Compensation Costs,” for a discussion of our accounting for workers’ compensation costs.

Payroll tax costs

• Payroll taxes increased 14.2% on a 15.9% increase in payroll costs, but decreased $1 on a per WSEE per month basis.

• Payroll taxes as a percentage of payroll costs were 7.5% in YTD 2019 compared to 7.6% in YTD 2018.

Operating Expenses

Our operating expenses are comprised of the following:

• Salaries, wages and payroll taxes — Salaries, wages and payroll taxes (“Salaries”) are primarily a function of the number of corporate employees, their associated average pay and any additional incentive compensation.

• Stock-based compensation — Our stock-based compensation relates to the recognition of non-cash compensation expense over the vesting period of restricted stock and long-term incentive plan awards.

• Commissions — Commissions expense consists primarily of amounts paid to sales managers and business performance advisors (“BPAs”) as well as channel referral fees. Commissions are based on new accounts sold and a percentage of revenue generated by such personnel.

• Advertising — Advertising expense primarily consists of media advertising and other business promotions in our current and anticipated sales markets.

• General and administrative expenses — Our general and administrative expenses primarily include:

• rent expenses related to our service centers and sales offices

• outside professional service fees related to legal, consulting and accounting services

• administrative costs, such as postage, printing and supplies

• employee travel and training expenses

• technology and facility repairs and maintenance costs

• Depreciation and amortization — Depreciation and amortization expense is primarily a function of our capital investments in corporate facilities, service centers, sales offices and technology infrastructure.

Insperity | 2019 Second Quarter Form 10-Q 27

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Second Quarter 2019 Compared to Second Quarter 2018

	Three Months Ended June 30,
	$						WSEE
(in thousands, except per WSEE)	2019		2018		% Change		2019		2018		% Change
Salaries	$	74,696	$	68,748	8.7	%	$	107	$	112	(4.5	)%
Stock-based compensation	8,256		5,752		43.5	%	11		10		10.0	%
Commissions	7,741		6,979		10.9	%	11		11		—
Advertising	7,548		6,585		14.6	%	11		11		—
General and administrative	29,866		27,419		8.9	%	43		45		(4.4	)%
Depreciation and amortization	6,908		5,480		26.1	%	11		9		22.2	%
Total operating expenses	$	135,015	$	120,963	11.6	%	$	194	$	198	(2.0	)%

Operating expenses for Q2 2019 increased 11.6% to $135.0 million compared to $121.0 million in Q2 2018. Operating expenses per WSEE per month for Q2 2019 decreased 2.0% to $194 compared to $198 in Q2 2018.

• Salaries of corporate and sales staff for Q2 2019 increased 8.7% to $74.7 million, but decreased $5 per WSEE per month basis, compared to Q2 2018. This increase was primarily due to a 12% increase in corporate headcount, which was partially offset by lower incentive compensation expense in Q2 2019 compared to Q2 2018.

• Stock based compensation expense for Q2 2019 increased 43.5% to $8.3 million, or $1 per WSEE per month, compared to Q2 2018. The increase was primarily due to awards issued under our restricted stock and Long-Term Incentive Program.

• Commissions expense for Q2 2019 increased 10.9% to $7.7 million, but remained flat on a per WSEE per month basis, compared to Q2 2018. The increase was primarily due to commissions associated with growth in our PEO HR Outsourcing solutions, including an increase in the amount of sales channel referral fees paid during 2019.

• Advertising expense for Q2 2019 increased 14.6% to $7.5 million, but remained flat on a per WSEE per month basis, compared to Q2 2018. The increase was primarily due to an increase in television advertising and promotions.

• General and administrative expenses for Q2 2019 increased 8.9% to $29.9 million, but decreased $2 on a per WSEE per month basis, compared to Q2 2018. The increase was primarily due to increased travel and training expenses associated with the increase in BPAs and technology maintenance costs.

• Depreciation and amortization expense for Q2 2019 increased 26.1% to $6.9 million, or $2 per WSEE per month, compared to Q2 2018. The increase was primarily due to increased capital expenditures related to software development costs and sales office expansions.

Insperity | 2019 Second Quarter Form 10-Q 28

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

First Six Months 2019 Compared to First Six Months 2018

	Six Months Ended June 30,
	$						WSEE
(in thousands, except per WSEE)	2019		2018		% Change		2019		2018		% Change
Salaries	$	158,076	$	155,934	1.4	%	$	115	$	130	(11.5	)%
Stock-based compensation	14,296		8,887		60.9	%	10		7		42.9	%
Commissions	14,693		13,045		12.6	%	11		11		—
Advertising	12,579		10,150		23.9	%	9		9		—
General and administrative	63,028		57,271		10.1	%	45		48		(6.3	)%
Depreciation and amortization	13,599		10,693		27.2	%	11		9		22.2	%
Total operating expenses	$	276,271	$	255,980	7.9	%	$	201	$	214	(6.1	)%

Operating expenses for YTD 2019 increased 7.9% to $276.3 million compared to $256.0 million in YTD 2018. Operating expenses per WSEE per month for YTD 2019 decreased 6.1% to $201 compared to $214 in YTD 2018.

• Salaries of corporate and sales staff for YTD 2019 increased 1.4% to $158.1 million, but decreased $15 on a per WSEE per month basis, compared to YTD 2018. This increase was primarily due to an 11.7% increase in corporate headcount, partially offset by the non-recurrence of a $9.3 million one-time tax reform bonus paid in the first quarter of 2018 (“Q1 2018”) and lower incentive compensation expense in YTD 2019 compared to YTD 2018.

• Stock based compensation expense for YTD 2019 increased 60.9% to $14.3 million or $3 per WSEE per month, compared to YTD 2018. The increase was primarily due to the acceleration of restricted stock awards and associated expense into the fourth quarter of 2017 that were originally scheduled to vest in Q1 2018.

• Commissions expense for YTD 2019 increased 12.6% to $14.7 million, but remained flat on a per WSEE per month basis, compared to YTD 2018. The increase was primarily due to commissions associated with growth in our PEO HR Outsourcing solutions, including an increase in the amount of sales channel referral fees paid during 2019.

• Advertising expense for YTD 2019 increased 23.9% to $12.6 million, but remained flat on a per WSEE per month basis, compared to YTD 2018. The increase was primarily due to an increase in television and advertising promotions.

• General and administrative expenses for YTD 2019 increased 10.1% to $63.0 million, but decreased $3 on a per WSEE per month basis, compared to YTD 2018. The increase was primarily due to increased travel and training expenses associated with the increase in BPAs and technology maintenance costs.

• Depreciation and amortization expense for YTD 2019 increased 27.2% to $13.6 million, or $2 per WSEE per month, compared to YTD 2018. The increase was primarily due to increased capital expenditures related to software development costs and sales office expansions.

Other Income (Expense)

Other income, net for Q2 2019 increased to $1.2 million compared to $0.7 million in Q2 2018, and for YTD 2019 increased to $2.7 million compared to $1.1 million in YTD 2018, primarily due to increased interest earned on our marketable security investments.

Income Tax Expense

	Three Months Ended June 30,		Six Months Ended June 30,
	2019	2018	2019	2018
Effective income tax rate	28.4%	28.4%	17.4%	25.0%

Insperity | 2019 Second Quarter Form 10-Q 29

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

For the three months ended June 30, 2019, our provision for income taxes differed from the U.S. statutory rate of 21% primarily due to state income taxes and non-deductible expenses.

For the six months ended June 30, 2019, our provision for income taxes differed from the U.S. statutory rate primarily due to state income taxes, non-deductible expenses and vesting of restricted and long-term incentive stock awards. During the first six months of 2019 and 2018, we recognized an income tax benefit of $14.5 million and $3.7 million, respectively, related to the vesting of long-term incentive in both periods and restricted stock awards.

Non-GAAP Financial Measures

Non-GAAP financial measures are not prepared in accordance with GAAP and may be different from non-GAAP financial measures used by other companies. Non-GAAP financial measures should not be considered as a substitute for, or superior to, measures of financial performance prepared in accordance with GAAP. Investors are encouraged to review the reconciliation of the non-GAAP financial measures used to their most directly comparable GAAP financial measures as provided in the tables below.

Non-GAAP Measure	Definition	Benefit of Non-GAAP Measure
Non-bonus payroll cost	Non-bonus payroll cost is a non-GAAP financial measure that excludes the impact of bonus payrolls paid to our WSEEs. Bonus payroll cost varies from period to period, but has no direct impact to our ultimate workers’ compensation costs under the current program.	Our management refers to non-bonus payroll cost in analyzing, reporting and forecasting our workers’ compensation costs. We include these non-GAAP financial measures because we believe they are useful to investors in allowing for greater transparency related to the costs incurred under our current workers’ compensation program.
Adjusted cash, cash equivalents and marketable securities	Excludes funds associated with: •  federal and state income tax withholdings, •  employment taxes, •  other payroll deductions, and •  client prepayments.	We believe that the exclusion of the identified items helps us reflect the fundamentals of our underlying business model and analyze results against our expectations, against prior period, and to plan for future periods by focusing on our underlying operations.  We believe that the adjusted results provide relevant and useful information for investors because they allow investors to view performance in a manner similar to the method used by management and improves their ability to understand and assess our operating performance.
Adjusted operating expense	Represents operating expenses excluding the impact of the following: •  costs associated with a one-time tax reform bonus paid to corporate employees.
EBITDA	Represents net income computed in accordance with GAAP, plus: •  interest expense, •  income tax expense, and •  depreciation and amortization expense.
Adjusted EBITDA	Represents EBITDA plus: •  non-cash stock based compensation, and •  costs associated with a one-time tax reform bonus paid to corporate employees.
Adjusted Net Income	Represents net income computed in accordance with GAAP, excluding: •  non-cash stock based compensation, and •  costs associated with a one-time tax reform bonus paid to corporate employees.
Adjusted EPS	Represents diluted net income per share computed in accordance with GAAP, excluding: •  non-cash stock based compensation, and •  costs associated with a one-time tax reform bonus paid to corporate employees.

Insperity | 2019 Second Quarter Form 10-Q 30

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Following is a reconciliation of payroll cost (GAAP) to non-bonus payroll costs (non-GAAP):

	Three Months Ended June 30,												Six Months Ended June 30,
(in thousands, except per WSEE per month)	2019						2018						2019						2018
	$			WSEE			$			WSEE			$			WSEE			$			WSEE
Payroll cost	$	5,333,698		$	7,663		$	4,628,047		$	7,564		$	11,052,358		$	8,052		$	9,537,031		$	7,955
Less: Bonus payroll cost	451,828			649			372,225			608			1,442,406			1,051			1,203,086			1,003
Non-bonus payroll cost	$	4,881,870		$	7,014		$	4,255,822		$	6,956		$	9,609,952		$	7,001		$	8,333,945		$	6,952
% Change period over period	14.7		%	0.8		%	16.9		%	3.4		%	15.3		%	0.7		%	16.4		%	3.3		%

Following is a reconciliation of cash, cash equivalents and marketable securities (GAAP) to adjusted cash, cash equivalents and marketable securities (non-GAAP):

(in thousands)	June 30, 2019		December 31, 2018
Cash, cash equivalents and marketable securities	$	386,055	$	387,554
Less:
Amounts payable for withheld federal and state income taxes, employment taxes and other payroll deductions	218,037		224,487
Client prepayments	37,357		34,177
Adjusted cash, cash equivalents and marketable securities	$	130,661	$	128,890

Following is a reconciliation of operating expenses (GAAP) to adjusted operating expenses (non-GAAP) in thousands, except per WSEE per month:

	Three Months Ended June 30,												Six Months Ended June 30,
(in thousands, except per WSEE per month)	2019						2018						2019						2018
	$			WSEE			$			WSEE			$			WSEE			$			WSEE
Operating expenses	$	135,015		$	194		$	120,963		$	198		$	276,271		$	201		$	255,980		$	214
Less:
One-time tax reform bonus	—			—			—			—			—			—			9,306			8
Adjusted operating expenses	$	135,015		$	194		$	120,963		$	198		$	276,271		$	201		$	246,674		$	206
% Change period over period	11.6		%	(2.0		)%	12.4		%	(0.5		)%	12.0		%	(2.4		)%	15.6		%	2.5		%

Insperity | 2019 Second Quarter Form 10-Q 31

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Following is a reconciliation of net income (GAAP) to EBITDA (non-GAAP) and adjusted EBITDA (non-GAAP):

	Three Months Ended June 30,												Six Months Ended June 30,
(in thousands, except per WSEE per month)	2019						2018						2019						2018
	$			WSEE			$			WSEE			$			WSEE			$			WSEE
Net income	$	28,556		$	41		$	24,560		$	40		$	104,845		$	76		$	74,551		$	62
Income tax expense	11,327			16			9,720			16			22,063			16			24,818			21
Interest expense	1,639			2			1,108			2			3,320			2			2,178			2
Depreciation and amortization	6,908			11			5,480			9			13,599			11			10,693			9
EBITDA	48,430			70			40,868			67			143,827			105			112,240			94
Stock-based compensation	8,256			11			5,752			9			14,296			10			8,887			7
One-time tax reform bonus	—			—			—			—			—			—			9,306			8
Adjusted EBITDA	$	56,686		$	81		$	46,620		$	76		$	158,123		$	115		$	130,433		$	109
% Change period over period	21.6		%	6.6		%	39.9		%	22.6		%	21.2		%	5.5		%	35.8		%	21.1		%

Following reconciliation of net income (GAAP) to adjusted net income (non-GAAP):

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2019			2018			2019			2018
Net income	$	28,556		$	24,560		$	104,845		$	74,551
Non-GAAP adjustments:
Stock-based compensation	8,256			5,752			14,296			8,887
One-time tax reform bonus	—			—			—			9,306
Total non-GAAP adjustments	8,256			5,752			14,296			18,193
Tax effect	(2,345		)	(1,631		)	(3,090		)	(4,517		)
Adjusted net income	$	34,467		$	28,681		$	116,051		$	88,227
% Change period over period	20.2		%	66.0		%	31.5		%	57.8		%

Following is a reconciliation of diluted EPS (GAAP) to adjusted EPS (non-GAAP):

	Three Months Ended June 30,						Six Months Ended June 30,
(amounts per share)	2019			2018			2019			2018
Diluted EPS	$	0.69		$	0.58		$	2.54		$	1.77
Non-GAAP adjustments:
Stock-based compensation	0.20			0.14			0.35			0.21
One-time tax reform bonus	—			—			—			0.22
Total non-GAAP adjustments	0.20			0.14			0.35			0.43
Tax effect	(0.06		)	(0.04		)	(0.08		)	(0.11		)
Adjusted EPS	$	0.83		$	0.68		$	2.81		$	2.09
% Change period over period	22.1		%	65.9		%	34.4		%	57.1		%

Liquidity and Capital Resources

We periodically evaluate our liquidity requirements, capital needs and availability of resources in view of, among other things, our expansion plans, stock repurchase, potential acquisitions, debt service requirements and other operating cash needs. To meet short-term liquidity requirements, which are primarily the payment of direct costs and operating

Insperity | 2019 Second Quarter Form 10-Q 32

MANAGEMENT’S DISCUSSION AND ANALYSIS OF

FINANCIAL CONDITION AND RESULTS OF OPERATIONS

expenses, we rely primarily on cash from operations. Longer-term projects, large stock repurchases or significant acquisitions may be financed with debt or equity. We have in the past sought, and may in the future seek, to raise additional capital or take other steps to increase or manage our liquidity and capital resources. We had $386.1 million in cash, cash equivalents and marketable securities at June 30, 2019, of which approximately $218.0 million was payable in early July 2019 for withheld federal and state income taxes, employment taxes and other payroll deductions, and approximately $37.4 million were client prepayments that were payable in July 2019. At June 30, 2019, we had working capital of $149.3 million compared to $94.2 million at December 31, 2018. We currently believe that our cash on hand, marketable securities, cash flows from operations and availability under our revolving credit facility will be adequate to meet our liquidity requirements for the remainder of 2019. We intend to rely on these same sources, as well as public and private debt or equity financing, to meet our longer-term liquidity and capital needs.

We have a $350 million revolving credit facility (“Facility”) with a syndicate of financial institutions. The Facility is available for working capital and general corporate purposes, including acquisitions and stock repurchases. As of June 30, 2019, we had an outstanding letter of credit and borrowings totaling $170.4 million under the Facility. Please read Note 5 to the Consolidated Financial Statements, “Long-Term Debt,” for additional information.

Cash Flows from Operating Activities

Net cash provided by operating activities in the first six months of 2019 was $72.4 million. Our primary source of cash from operations is the comprehensive service fee and payroll funding we collect from our clients. Our cash and cash equivalents, and thus our reported cash flows from operating activities, are significantly impacted by various external and internal factors, which are reflected in part by the changes in our balance sheet accounts. These include the following:

• Timing of client payments / payroll taxes – We typically collect our comprehensive service fee, along with the client’s payroll funding, from clients at least one day prior to the payment of WSEE payrolls and associated payroll taxes. Therefore, the last business day of a reporting period has a substantial impact on our reporting of operating cash flows. For example, many WSEEs are paid on Fridays; therefore, operating cash flows decrease in the reporting periods that end on a Friday or a Monday. In the period ended June 30, 2019, the last business day of the reporting period was a Friday, client prepayments were $37.4 million and employment taxes and other deductions were $218.0 million. In the period ended June 30, 2018, the last business day of the reporting period was also a Friday, client prepayments were $14.0 million and employment taxes and other deductions were $191.9 million.

• Medical plan funding – Our health care contract with United establishes participant cash funding rates 90 days in advance of the beginning of a reporting quarter. Therefore, changes in the participation level of the United plan have a direct impact on our operating cash flows. In addition, changes to the funding rates, which are solely determined by United based primarily upon recent claim history and anticipated cost trends, also have a significant impact on our operating cash flows. As of June 30, 2019, premiums owed and cash funded to United have exceeded the costs of the United plan, resulting in an $16.4 million surplus, $7.4 million of which is reflected as a current asset, and $9.0 million of which is reflected as a long-term asset on our Condensed Consolidated Balance Sheets. The premiums, including an additional quarterly premium, owed to United at June 30, 2019, were $15.0 million, which is included in accrued health insurance costs, a current liability, on our Condensed Consolidated Balance Sheets.

• Operating results – Our net income has a significant impact on our operating cash flows. Our adjusted net income increased 31.5% to $116.1 million in the first six months ended June 30, 2019, compared to $88.2 million in the first six months ended June 30, 2018. Please read “Results of Operations – First Six Months Ended June 30, 2019 Compared to First Six Months Ended June 30, 2018.”

Cash Flows from Investing Activities

Net cash flows used in investing activities were $17.2 million for the six months ended June 30, 2019, primarily due to property and equipment purchases of $17.2 million.

Cash Flows from Financing Activities

Net cash flows used in financing activities were $34.8 million for the six months ended June 30, 2019. We repurchased or withheld $38.8 million in stock, paid $24.7 million in dividends and borrowed $25.0 million on our revolving line of credit for general corporate purposes.

Insperity | 2019 Second Quarter Form 10-Q 33

QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK AND CONTROLS AND PROCEDURES

Item 3. Quantitative and Qualitative Disclosures About Market Risk

We are primarily exposed to market risks from fluctuations in interest rates and the effects of those fluctuations on the market values of our cash equivalent short-term investments, our available-for-sale marketable securities and our borrowings under our Facility, which bears interest at a variable market rate. As of June 30, 2019, we had outstanding letters of credit and borrowings totaling $170.4 million under the Facility. Please read Note 5 to the Consolidated Financial Statements, “Long-Term Debt,” for additional information.

The cash equivalent short-term investments consist primarily of overnight investments, which are not significantly exposed to interest rate risk, except to the extent that changes in interest rates will ultimately affect the amount of interest income earned on these investments. Our available-for-sale marketable securities are subject to interest rate risk because these securities generally include a fixed interest rate. As a result, the market values of these securities are affected by changes in prevailing interest rates.

We attempt to limit our exposure to interest rate risk primarily through diversification and low investment turnover. Our investment policy is designed to maximize after-tax interest income while preserving our principal investment. As a result, our marketable securities consist of tax-exempt short term and intermediate term debt securities, which are primarily pre-funded municipal bonds that are secured by escrow funds containing U.S. Government Securities.

Item 4. Controls and Procedures

In accordance with Rules 13a-15 and 15d-15 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), we carried out an evaluation, under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures as of the end of the period covered by this report. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of June 30, 2019.

There has been no change in our internal controls over financial reporting that occurred during the three months ended June 30, 2019 that has materially affected, or is reasonably likely to materially affect, our internal controls over financial reporting.

Insperity | 2019 Second Quarter Form 10-Q 34

OTHER INFORMATION

PART II

Item 1. Legal Proceedings

Please read Note 9 to the Consolidated Financial Statements, “Commitments and Contingencies,” which is incorporated herein by reference.

Item 1A. Risk Factors

Forward-Looking Statements

The statements contained herein that are not historical facts are forward-looking statements within the meaning of the federal securities laws (Section 27A of the Securities Act of 1933 and Section 21E of the Exchange Act). You can identify such forward-looking statements by the words “expects,” “intends,” “plans,” “projects,” “believes,” “estimates,” “likely,” “possibly,” “probably,” “goal,” “opportunity,” “objective,” “target,” “assume,” “outlook,” “guidance,” “predicts,” “appears,” “indicator” and similar expressions. Forward-looking statements involve a number of risks and uncertainties. In the normal course of business, Insperity, Inc., in an effort to help keep our stockholders and the public informed about our operations, may from time to time issue such forward-looking statements, either orally or in writing. Generally, these statements relate to business plans or strategies, projected or anticipated benefits or other consequences of such plans or strategies, or projections involving anticipated revenues, earnings, unit growth, profit per worksite employee, pricing, operating expenses or other aspects of operating results. We base the forward-looking statements on our expectations, estimates and projections at the time such statements are made. These statements are not guarantees of future performance and involve risks and uncertainties that we cannot predict. In addition, we have based many of these forward-looking statements on assumptions about future events that may prove to be inaccurate. Therefore, the actual results of the future events described in such forward-looking statements could differ materially from those stated in such forward-looking statements. Among the factors that could cause actual results to differ materially are:

• adverse economic conditions;

• regulatory and tax developments and possible adverse application of various federal, state and local regulations;

• the ability to secure competitive replacement contracts for health insurance and workers’ compensation insurance at expiration of current contracts;

• cancellation of client contracts on short notice, or the inability to renew client contracts or attract new clients;

• vulnerability to regional economic factors because of our geographic market concentration;

• increases in health insurance costs and workers’ compensation rates and underlying claims trends, health care reform, financial solvency of workers’ compensation carriers, other insurers or financial institutions, state unemployment tax rates, liabilities for employee and client actions or payroll-related claims;

• failure to manage growth of our operations and the effectiveness of our sales and marketing efforts;

• the impact of the competitive environment and other developments in the human resources services industry, including the PEO industry, on our growth and/or profitability;

• our liability for worksite employee payroll, payroll taxes and benefits costs;

• our liability for disclosure of sensitive or private information;

• our ability to integrate or realize expected returns on our acquisitions;

• failure of our information technology systems;

• an adverse final judgment or settlement of claims against Insperity; and

• disruptions to our business resulting from the actions of certain stockholders.

Insperity | 2019 Second Quarter Form 10-Q 35

OTHER INFORMATION

These factors are discussed in further detail in our Annual Report on Form 10-K for the year ended December 31, 2018 under “Item 1A. Risk Factors” in Part I and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, and elsewhere in this report. Any of these factors, or a combination of such factors, could materially affect the results of our operations and whether forward-looking statements we make ultimately prove to be accurate.

Except to the extent otherwise required by federal securities law, we do not undertake any obligation to update our forward-looking statements to reflect events or circumstances after the date they are made or to reflect the occurrence of unanticipated events.

In addition, please read the following together with “Risk Factors -- Changes in federal, state and local regulation or our inability to obtain licenses under new regulatory frameworks could have a material adverse effect on our results of operations or financial condition” under “Item 1A. Risk Factors” in Part I of our Annual Report on Form 10-K for the year ended December 31, 2018:

On April 19, 2019, the Internal Revenue Service released an advice memorandum from the Office of the Chief Counsel concerning the IRS’s interpretations of proposed regulations regarding the reporting of remuneration and associated payroll taxes related to WSEEs of Certified Professional Employer Organizations (CPEOs) who are also deemed self-employed owners of client companies for federal tax purposes. The memorandum advises that CPEOs should not report remuneration paid to such self-employed owners on Form W-2 or subject such remuneration to federal employment taxes. As an employer, we have historically reported remuneration and associated payroll taxes processed on Form W-2 for all WSEEs, including those who would be deemed self-employed owners of client companies. Accordingly, we are in the process of transitioning our reporting and payroll tax processing methods for self-employed owners to those described in the memorandum. Our failure to successfully make such a transition could have a material adverse impact on our business and operations, including our ability to attract and retain clients.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table provides information about purchases by Insperity during the three months ended June 30, 2019 of equity securities that are registered by Insperity pursuant to Section 12 of the Exchange Act:

Period	Total Number of Shares Purchased(1)	Average Price Paid per Share		Total Number of Shares Purchased Under Announced Program(2)	Maximum Number of Shares Available for Purchase under Announced Program(2)
04/01/2019 – 04/30/2019	—	$	—	—	1,607,945
05/01/2019 – 05/31/2019	85,046	114.75		85,000	1,522,945
06/01/2019 – 06/30/2019	—	—		—	1,522,945
Total	85,046	$	114.75	85,000

____________________________________

⁽¹⁾  During the three months ended June 30, 2019, 46 shares of stock were withheld to satisfy tax-withholding obligations arising in conjunction with the vesting of restricted stock awards. The required withholding is calculated using the closing sales price reported by the New York Stock Exchange on the date prior to the applicable vesting date. These shares are not subject to the repurchase program described above.

⁽²⁾  Our Board of Directors (the “Board”) has approved a program to repurchase shares of our outstanding common stock. As of June 30, 2019, we were authorized to repurchase an additional 1,522,945 shares under the program. Unless terminated earlier by resolution of the Board, the repurchase program will expire when we have repurchased all shares authorized for repurchase under the repurchase program.

Insperity | 2019 Second Quarter Form 10-Q 36

OTHER INFORMATION

Item 6. Exhibits

Exhibit No		Exhibit
31.1	*	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	*	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	**	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	**	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	*	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
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101.CAL	*	XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	*	XBRL Extension Definition Linkbase Document.
101.LAB	*	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	*	XBRL Taxonomy Extension Presentation Linkbase Document.

____________________________________
*	Filed with this report.
**	Furnished with this report.

Insperity | 2019 Second Quarter Form 10-Q 37

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. 

	INSPERITY, INC.
Date: July 29, 2019	By:	/s/ Douglas S. Sharp
		Douglas S. Sharp
		Senior Vice President of Finance,
		Chief Financial Officer and Treasurer
		(Principal Financial Officer)

Insperity | 2019 Second Quarter Form 10-Q 38

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Paul J. Sarvadi, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Insperity, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 29, 2019
	/s/ Paul J. Sarvadi
	Paul J. Sarvadi
	Chairman of the Board and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Douglas S. Sharp, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Insperity, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 29, 2019
	/s/ Douglas S. Sharp
	Douglas S. Sharp
	Senior Vice President of Finance, Chief Financial Officer and Treasurer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Insperity, Inc. (the “Company”) on Form 10-Q for the period ending June 30, 2019 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Paul J. Sarvadi, Chairman of the Board and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Paul J. Sarvadi

Paul J. Sarvadi

Chairman of the Board and Chief Executive Officer

July 29, 2019

EX-32.2

 Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Insperity, Inc. (the “Company”) on Form 10-Q for the period ending June 30, 2019 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Douglas S. Sharp, Senior Vice President of Finance, Chief Financial Officer and Treasurer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Douglas S. Sharp

Douglas S. Sharp

Senior Vice President of Finance,

Chief Financial Officer and Treasurer

July 29, 2019

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Jul. 22, 2019
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2019
Document Transition Report	false
Entity File Number	1-13998
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	76-0479645
Entity Address, Address Line One	19001 Crescent Springs Drive
Entity Address, City or Town	Kingwood,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77339
City Area Code	281
Local Phone Number	358-8986
Title of 12(b) Security	Common Stock, $.01 par value per share
Entity Trading Symbol	NSP
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		41,186,348
Entity Registrant Name	INSPERITY, INC.
Entity Central Index Key	0001000753
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Amendment Flag	false

XML

CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 324,926	$ 326,773
Restricted cash	43,268	42,227
Marketable securities	61,129	60,781
Accounts receivable, net	424,135	400,623
Prepaid insurance	24,469	8,411
Other current assets	29,794	27,721
Income taxes receivable	11,456	0
Total current assets	919,177	866,536
Property and equipment, net of accumulated depreciation	120,828	117,213
Right-of-use leased assets	54,189	0
Prepaid health insurance	9,000	9,000
Deposits – health insurance	6,600	6,200
Deposits – workers’ compensation	187,728	166,474
Goodwill and other intangible assets, net	12,720	12,726
Deferred income taxes, net	556	8,816
Other assets	6,197	4,851
Total assets	1,316,995	1,191,816
Current liabilities:
Accounts payable	6,548	10,622
Accrued Payroll Taxes, Current	244,694	261,166
Accrued worksite employee payroll cost	373,532	329,979
Accrued health insurance costs	20,376	35,153
Accrued workers’ compensation costs	47,122	45,818
Accrued corporate payroll and commissions	37,820	60,704
Other accrued liabilities	39,756	28,890
Total current liabilities	769,848	772,332
Noncurrent liabilities:
Accrued workers’ compensation costs	188,241	187,412
Long-term debt	169,400	144,400
Operating lease liabilities, net of current	54,617	0
Other accrued liabilities, net of current	0	9,996
Total noncurrent liabilities	412,258	341,808
Commitments and contingencies
Stockholders’ equity:
Common stock	555	555
Additional paid-in capital	41,009	36,752
Treasury stock, at cost	(383,830)	(357,569)
Retained earnings	477,155	397,938
Total stockholders’ equity	134,889	77,676
Total liabilities and stockholders’ equity	$ 1,316,995	$ 1,191,816

XML

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Revenues(1)	$ 1,043,316	$ 922,295	$ 2,196,326	$ 1,936,667
Payroll taxes, benefits and workers’ compensation costs	869,581	767,751	1,795,874	1,582,403
Gross profit	173,735	154,544	400,452	354,264
Salaries, wages and payroll taxes	74,696	68,748	158,076	155,934
Stock-based compensation	8,256	5,752	14,296	8,887
Commissions	7,741	6,979	14,693	13,045
Advertising	7,548	6,585	12,579	10,150
General and administrative expenses	29,866	27,419	63,028	57,271
Depreciation and amortization	6,908	5,480	13,599	10,693
Total operating expenses	135,015	120,963	276,271	255,980
Operating income	38,720	33,581	124,181	98,284
Other income (expense):
Interest income	2,802	1,807	6,047	3,263
Interest expense	(1,639)	(1,108)	(3,320)	(2,178)
Income before income tax expense	39,883	34,280	126,908	99,369
Income tax expense	11,327	9,720	22,063	24,818
Net income	28,556	24,560	104,845	74,551
Less distributed and undistributed earnings allocated to participating securities	(309)	(346)	(1,183)	(1,064)
Net income allocated to common shares	$ 28,247	$ 24,214	$ 103,662	$ 73,487
Basic net income per share of common stock (in dollars per share)	$ 0.69	$ 0.59	$ 2.55	$ 1.78
Diluted net income per share of common stock (in dollars per share)	$ 0.69	$ 0.58	$ 2.54	$ 1.77
Revenue Composition [Abstract]
Gross billings	$ 6,377,014	$ 5,550,342	$ 13,248,684	$ 11,473,698
Worksite employee payroll cost	5,333,698	4,628,047	11,052,358	9,537,031
Revenues(1)	$ 1,043,316	$ 922,295	$ 2,196,326	$ 1,936,667

XML

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Net income	$ 104,845	$ 74,551
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,599	10,693
Stock-based compensation	14,296	8,887
Deferred income taxes	8,260	(255)
Changes in operating assets and liabilities:
Accounts receivable	(23,512)	(17,773)
Prepaid insurance	(16,058)	(6,866)
Other current assets	(2,073)	4,351
Other assets	(2,033)	(1,957)
Accounts payable	(4,074)	(2,324)
Payroll taxes and other payroll deductions payable	(16,472)	(89,815)
Accrued worksite employee payroll expense	43,553	28,194
Accrued health insurance costs	(14,777)	(1,948)
Accrued workers’ compensation costs	2,133	9,926
Accrued corporate payroll, commissions and other accrued liabilities	(22,878)	(15,183)
Income taxes payable/receivable	(12,381)	16,808
Total adjustments	(32,417)	(57,262)
Net cash provided by operating activities	72,428	17,289
Marketable securities:
Purchases	(60,609)	(11,849)
Proceeds from dispositions	5,499	5,439
Proceeds from maturities	55,110	1,125
Property and equipment:
Purchases	(17,207)	(14,025)
Net cash used in investing activities	(17,207)	(19,310)
Cash flows from financing activities:
Purchase of treasury stock	(38,796)	(16,227)
Dividends paid	24,740	16,786
Borrowings under revolving line of credit	25,000	0
Other	3,763	1,110
Net cash used in financing activities	(34,773)	(31,903)
Net increase (decrease) in cash, cash equivalents and restricted cash	20,448	(33,924)
Cash, cash equivalents and restricted cash beginning of period	535,474	549,612
Cash, cash equivalents and restricted cash end of period	555,922	515,688
Supplemental Cash Flow Information [Abstract]
Cash and cash equivalents	324,926	308,711
Restricted cash	43,268	41,827
Deposits workers compensation	187,728	165,150
ROU assets obtained in exchange for lease obligations	$ 11,894	$ 0

XML

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2017	$ 66,321	$ 555	$ 25,337	$ (256,363)	$ 296,792
Purchase of treasury stock, at cost	(16,227)	0	0	(16,227)	0
Issuance of long-term incentive awards and dividend equivalents	0	0	(5,764)	6,619	(855)
Stock-based compensation expense	8,887	0	7,005	1,882	0
Other	1,110	0	785	325	0
Dividends paid	(16,786)	0	0	0	(16,786)
Unrealized gain on marketable securities, net of tax	4	0	0	0	4
Net income	74,551	0	0	0	74,551
Balance at Jun. 30, 2018	117,860	$ 555	27,363	(263,764)	353,706
Balance (shares) at Dec. 31, 2017		55,489
Balance (shares) at Jun. 30, 2018		55,489
Balance at Mar. 31, 2018	102,832	$ 555	22,648	(257,898)	337,527
Purchase of treasury stock, at cost	(7,662)	0	0	(7,662)	0
Stock-based compensation expense	5,752	0	4,165	1,587	0
Other	759	0	550	209	0
Dividends paid	(8,384)	0	0	0	(8,384)
Unrealized gain on marketable securities, net of tax	3	0	0	0	3
Net income	24,560	0	0	0	24,560
Balance at Jun. 30, 2018	117,860	$ 555	27,363	(263,764)	353,706
Balance (shares) at Mar. 31, 2018		55,489
Balance (shares) at Jun. 30, 2018		55,489
Balance at Dec. 31, 2018	77,676	$ 555	36,752	(357,569)	397,938
Purchase of treasury stock, at cost	(38,796)	0	0	(38,796)	0
Issuance of long-term incentive awards and dividend equivalents	0	0	(7,695)	8,646	(951)
Stock-based compensation expense	14,296	0	10,776	3,520	0
Other	1,545	0	1,176	369	0
Dividends paid	(24,740)	0	0	0	(24,740)
Unrealized gain on marketable securities, net of tax	63	0	0	0	63
Net income	104,845	0	0	0	104,845
Balance at Jun. 30, 2019	134,889	$ 555	41,009	(383,830)	477,155
Balance (shares) at Dec. 31, 2018		55,489
Balance (shares) at Jun. 30, 2019		55,489
Balance at Mar. 31, 2019	119,194	$ 555	33,833	(376,097)	460,903
Purchase of treasury stock, at cost	(9,759)	0	0	(9,759)	0
Stock-based compensation expense	8,256	0	6,436	1,820	0
Other	946	0	740	206	0
Dividends paid	(12,354)	0	0	0	(12,354)
Unrealized gain on marketable securities, net of tax	50	0	0	0	50
Net income	28,556	0	0	0	28,556
Balance at Jun. 30, 2019	$ 134,889	$ 555	$ 41,009	$ (383,830)	$ 477,155
Balance (shares) at Mar. 31, 2019		55,489
Balance (shares) at Jun. 30, 2019		55,489

XML

Basis of Presentation (Notes)

6 Months Ended

Jun. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

1. Basis of Presentation

Insperity, Inc., a Delaware corporation (“Insperity,” “we,” “our,” and “us”), provides an array of human resources (“HR”) and business solutions designed to help improve business performance. Our most comprehensive HR services offerings are provided through our professional employer organization (“PEO”) services, known as Workforce Optimization^® and Workforce Synchronization^TM solutions (together, our “PEO HR Outsourcing solutions”), which encompass a broad range of HR functions, including payroll and employment administration, employee benefits, workers’ compensation, government compliance, performance management, and training and development services, along with our cloud-based human capital management solution, the Insperity Premier^TM platform.

In addition to our PEO HR Outsourcing solutions, we also offer a comprehensive traditional payroll and human capital management solution, known as Workforce Acceleration. We also offer a number of other business performance solutions, including Time and Attendance, Performance Management, Organizational Planning, Recruiting Services, Employment Screening, Expense Management, Retirement Services and Insurance Services, many of which are offered as a cloud-based software solution and are offered separately or with our other solutions.

The Consolidated Financial Statements include the accounts of Insperity and its wholly owned subsidiaries. Intercompany accounts and transactions have been eliminated in consolidation.

The preparation of financial statements in conformity with accounting principles generally accepted in the United States (“GAAP”) requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

The accompanying Consolidated Financial Statements should be read in conjunction with our audited Consolidated Financial Statements at and for the year ended December 31, 2018. Our Condensed Consolidated Balance Sheet at December 31, 2018 has been derived from the audited financial statements at that date, but does not include all of the information or footnotes required by GAAP for complete financial statements. Our Condensed Consolidated Balance Sheet at June 30, 2019 and our Consolidated Statements of Operations for the three and six month periods ended June 30, 2019 and 2018, our Consolidated Statements of Cash Flows for the six month periods ended June 30, 2019 and 2018 and our Consolidated Statements of Stockholders’ Equity for the three and six month periods ended June 30, 2019 and 2018, have been prepared by us without audit. In the opinion of management, all adjustments, consisting only of normal recurring adjustments necessary to present fairly the consolidated financial position, results of operations and cash flows, have been made. Certain prior year amounts have been reclassified to conform to the 2019 presentation.

The results of operations for the interim periods are not necessarily indicative of the operating results for a full year or of future operations.

XML

Accounting Policies (Notes)

6 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Accounting Policies

2. Accounting Policies

Health Insurance Costs

We provide group health insurance coverage to our WSEEs in our PEO HR Outsourcing solutions through a national network of carriers, including UnitedHealthcare (“United”), UnitedHealthcare of California, Kaiser Permanente, Blue Shield of California, HMSA BlueCross BlueShield of Hawaii, and Tufts, all of which provide fully insured policies or service contracts.

The policy with United provides approximately 87% of our health insurance coverage. While the policy with United is a fully-insured plan, as a result of certain contractual terms, we have accounted for this plan since its inception using a partially self-funded insurance accounting model. Accordingly, we record the costs of the United plan, including an estimate of the incurred claims, taxes and administrative fees (collectively the “Plan Costs”) as benefits expense, which is a component of direct costs, in our Consolidated Statements of Operations. The estimated incurred claims are based upon: (1) the level of claims processed during the quarter; (2) estimated completion rates based upon recent claim development patterns under the plan; and (3) the number of participants in the plan, including both active and COBRA enrollees. Each reporting period, changes in the estimated ultimate costs resulting from claim trends, plan design and migration, participant demographics and other factors are incorporated into the benefits costs.

Additionally, since the plan’s inception, under the terms of the contract, United establishes cash funding rates 90 days in advance of the beginning of a reporting quarter. If the Plan Costs for a reporting quarter are greater than the premiums paid and owed to United, a deficit in the plan would be incurred and a liability for the excess costs would be accrued in our Condensed Consolidated Balance Sheets. On the other hand, if the Plan Costs for the reporting quarter are less than the premiums paid and owed to United, a surplus in the plan would be incurred and we would record an asset for the excess premiums in our Condensed Consolidated Balance Sheets. The terms of the arrangement require us to maintain an accumulated cash surplus in the plan of $9.0 million, which is reported as long-term prepaid insurance. In addition, United requires a deposit equal to approximately one day of claims funding activity, which was $5.0 million as of June 30, 2019, and is reported as a long-term asset. As of June 30, 2019, Plan Costs were less than the net premiums paid and owed to United by $16.4 million. As this amount is in excess of the agreed-upon $9.0 million surplus maintenance level, the $7.4 million difference is included in prepaid insurance, a current asset, in our Condensed Consolidated Balance Sheets. The premiums, including the additional quarterly premiums, owed to United at June 30, 2019 were $15.0 million, which is included in accrued health insurance costs, a current liability in our Condensed Consolidated Balance Sheets. Our benefits costs incurred in the first six months of 2019 included a charge of $3.5 million for changes in estimated run-off related to prior periods.

Workers’ Compensation Costs

Our workers’ compensation coverage for our WSEEs in our PEO HR Outsourcing solutions has been provided through an arrangement with the Chubb Group of Insurance Companies or its predecessors (the “Chubb Program”) since 2007. The Chubb Program is fully insured in that Chubb has the responsibility to pay all claims incurred under the policy regardless of whether we satisfy our responsibilities. Under the Chubb Program, we have financial responsibility to Chubb for the first $1 million layer of claims per occurrence and, for claims over $1 million, up to a maximum aggregate amount of $6 million per policy year for claims that exceed $1 million. Chubb bears the financial responsibility for all claims in excess of these levels.

Because we bear the financial responsibility for claims up to the levels noted above, such claims, which are the primary component of our workers’ compensation costs, are recorded in the period incurred. Workers’ compensation insurance includes ongoing health care and indemnity coverage whereby claims are paid over numerous years following the date of injury. Accordingly, the accrual of related incurred costs in each reporting period includes estimates, which take into account the ongoing development of claims and therefore requires a significant level of judgment.

We utilize a third-party actuary to estimate our loss development rate, which is primarily based upon the nature of WSEEs job responsibilities, the location of WSEEs, the historical frequency and severity of workers’ compensation claims, and an estimate of future cost trends. Each reporting period, changes in the actuarial assumptions resulting from changes in actual claims experience and other trends are incorporated into our workers’ compensation claims cost estimates. During the six months ended June 30, 2019 and 2018, we reduced accrued workers’ compensation costs by $19.0 million and $10.9 million, respectively, for changes in estimated losses related to prior reporting periods. Workers’ compensation cost estimates are discounted to present value at a rate based upon the U.S. Treasury rates that correspond with the weighted average estimated claim payout period (the average discount rate utilized in the 2019 period was 2.3% and in the 2018 period was 2.5%) and are accreted over the estimated claim payment period and included as a component of direct costs in our Consolidated Statements of Operations.

The following table provides the activity and balances related to incurred but not paid workers’ compensation claims:

	Six Months Ended June 30,
(in thousands)	2019			2018
Beginning balance, January 1,	$	229,639		$	207,630
Accrued claims	27,299			33,260
Present value discount	(2,703		)	(3,360		)
Paid claims	(22,727		)	(21,686		)
Ending balance	$	231,508		$	215,844
Current portion of accrued claims	$	43,267		$	41,827
Long-term portion of accrued claims	188,241			174,017
Total accrued claims	$	231,508		$	215,844

The current portion of accrued workers’ compensation costs on our Condensed Consolidated Balance Sheets at June 30, 2019 includes $3.9 million of workers’ compensation administrative fees.

As of June 30, 2019 and 2018, the undiscounted accrued workers’ compensation costs were $250.9 million and $230.4 million, respectively.

At the beginning of each policy period, the workers’ compensation insurance carrier establishes monthly funding requirements comprised of premium costs and funds to be set aside for payment of future claims (“claim funds”). The level of claim funds is primarily based upon anticipated WSEE payroll levels and expected workers’ compensation loss rates, as determined by the insurance carrier. Monies funded into the program for incurred claims expected to be paid within one year are recorded as restricted cash, a short-term asset, while the remainder of claim funds are included in deposits – workers’ compensation, a long-term asset in our Condensed Consolidated Balance Sheets. During the six months ended June 30, 2019, we funded a collateral deposit of $6.4 million for policy years prior to 2007, which increased deposits. As of June 30, 2019, we had restricted cash of $43.3 million and deposits – workers’ compensation of $187.7 million.

Our estimate of incurred claim costs expected to be paid within one year is included in short-term liabilities, while our estimate of incurred claim costs expected to be paid beyond one year is included in long-term liabilities on our Condensed Consolidated Balance Sheets.

Revenue and Direct Cost Recognition

We enter into contracts with our customers for human resources services based on a stated rate and price in the contract. Our contracts generally have a term of 12 months, but are cancellable at any time by either party with 30-days’ notice. Our performance obligations are satisfied as services are rendered each month. The term between invoicing and when our performance obligations are satisfied is not significant. Payment terms are typically due concurrently with the invoicing of our PEO services. We do not have significant financing components or significant payment terms.

Our revenue is generally recognized ratably over the payroll period as WSEEs perform their service at the client worksite. Customers are invoiced concurrently with each periodic payroll of its WSEEs. Revenues that have been recognized but unbilled of $414.6 million and $385.6 million at June 30, 2019 and December 31, 2018, respectively, are included in accounts receivable, net on our Condensed Consolidated Balance Sheets.

Pursuant to the “practical expedients” provided under Accounting Standards Update (“ASU”) No 2014-09, we expense sales commissions when incurred because the terms of our contracts are cancellable by either party with a 30-day notice. These costs are recorded in commissions in our Consolidated Statements of Operations.

Our revenue for our PEO HR Outsourcing solutions by geographic region and for our other products and services offerings are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2019		2018		% Change		2019		2018		% Change
Northeast	$	270,475	$	239,278	13.0	%	$	581,422	$	511,642	13.6	%
Southeast	120,148		108,264		11.0	%	250,054		223,452		11.9	%
Central	179,443		153,025		17.3	%	375,196		321,092		16.8	%
Southwest	244,462		213,920		14.3	%	514,294		446,785		15.1	%
West	215,639		194,986		10.6	%	448,842		407,605		10.1	%
	1,030,167		909,473		13.3	%	2,169,808		1,910,576		13.6	%
Other revenue	13,149		12,822		2.6	%	26,518		26,091		1.6	%
Total revenue	$	1,043,316	$	922,295	13.1	%	$	2,196,326	$	1,936,667	13.4	%

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Cash, Cash Equivalents and Marketable Securities (Notes)

6 Months Ended

Jun. 30, 2019

Cash, Cash Equivalents and Marketable Securities [Abstract]

Cash, Cash Equivalents and Marketable Securities

3. Cash, Cash Equivalents and Marketable Securities

The following table summarizes our cash and investments in cash equivalents and marketable securities held by investment managers and overnight investments:

	June 30, 2019								December 31, 2018
(in thousands)	Cash & Cash Equivalents			Marketable Securities		Total			Cash & Cash Equivalents			Marketable Securities		Total
Overnight holdings	$	292,464		$	—	$	292,464		$	311,158		$	—	$	311,158
Investment holdings	13,515			61,129		74,644			16,711			60,781		77,492
Cash in demand accounts	39,915			—		39,915			33,207			—		33,207
Outstanding checks	(20,968		)	—		(20,968		)	(34,303		)	—		(34,303		)
Total	$	324,926		$	61,129	$	386,055		$	326,773		$	60,781	$	387,554

Our cash and overnight holdings fluctuate based on the timing of clients’ payroll processing cycles. Included in the cash, cash equivalents and marketable securities at June 30, 2019 and December 31, 2018 are $218.0 million and $224.5 million, respectively, of funds associated with federal and state income tax withholdings, employment taxes and other payroll deductions, as well as $37.4 million and $34.2 million in client prepayments, respectively.

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Fair Value Measurements Fair Value Measurements (Notes)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value Disclosures [Text Block]

4. Fair Value Measurements

We account for our financial assets in accordance with Accounting Standard Codification 820, Fair Value Measurement. This standard defines fair value, establishes a framework for measuring fair value and expands disclosures about fair value measurements. The fair value measurement disclosures are grouped into three levels based on valuation factors:

• Level 1 - quoted prices in active markets using identical assets

• Level 2 - significant other observable inputs, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other observable inputs

• Level 3 - significant unobservable inputs

Fair Value of Instruments Measured and Recognized at Fair Value

The following table summarizes the levels of fair value measurements of our financial assets:

	June 30, 2019						December 31, 2018
(in thousands)	Total		Level 1		Level 2		Total		Level 1		Level 2
Money market funds	$	303,908	$	303,908	$	—	$	325,819	$	325,819	$	—
U.S. Treasury bills	59,775		59,775		—		52,197		52,197		—
Municipal bonds	3,425		—		3,425		10,634		—		10,634
Total	$	367,108	$	363,683	$	3,425	$	388,650	$	378,016	$	10,634

The municipal bond securities valued as Level 2 are primarily pre-refunded municipal bonds that are secured by escrow funds containing U.S. government securities. Our valuation techniques used to measure fair value for these securities during the period consisted primarily of third-party pricing services that utilized actual market data such as trades of comparable bond issues, broker/dealer quotations for the same or similar investments in active markets and other observable inputs.

The following is a summary of our available-for-sale marketable securities:

(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
June 30, 2019
U.S. Treasury bills	$	57,650	$	54	$	—		$	57,704
Municipal bonds	3,425		—		—			3,425
Total	$	61,075	$	54	$	—		$	61,129
December 31, 2018
U.S. Treasury bills	$	50,150	$	—	$	(3	)	$	50,147
Municipal bonds	10,640		1		(7		)	10,634
Total	$	60,790	$	1	$	(10	)	$	60,781

As of June 30, 2019, the contractual maturities of our marketable securities were as follows:

(in thousands)	Amortized Cost		Estimated Fair Value
Less than one year	$	61,075	$	61,129
One to five years	—		—
Total	$	61,075	$	61,129

Fair Value of Other Financial Instruments

The carrying amounts of cash, cash equivalents, restricted cash, accounts receivable, deposits and accounts payable approximate their fair values due to the short-term maturities of these instruments.

As of June 30, 2019, the carrying value of borrowings under our revolving credit facility approximates fair value and was classified as Level 2 in the fair value hierarchy. Please read Note 5, “Long-Term Debt,” for additional information.

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Long-term Debt (Notes)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Revolving Credit Facility

5. Long-Term Debt

We have a revolving credit facility (the “Facility”) with borrowing capacity up to $350 million. The Facility may be increased to $400 million based on the terms and subject to the conditions set forth in the agreement relating to the Facility (the “Credit Agreement”). The Facility is available for working capital and general corporate purposes, including acquisitions, stock repurchases and issuances of letters of credit. Our obligations under the Facility are secured by 65% of the stock of our captive insurance subsidiary and are guaranteed by all of our domestic

subsidiaries. At June 30, 2019, our outstanding balance on the Facility was $169.4 million, and we had an outstanding $1.0 million letter of credit issued under the Facility, resulting in an available borrowing capacity of $179.6 million.

The Facility matures on February 6, 2023. Borrowings under the Facility bear interest at an alternate base rate or LIBOR, at our option, plus an applicable margin. Depending on our leverage ratio, the applicable margin varies (1) in the case of LIBOR loans, from 1.50% to 2.25% and (2) in the case of alternate base rate loans, from 0.00% to 0.50%. The alternate base rate is the highest of (1) the prime rate most recently published in The Wall Street Journal, (2) the federal funds rate plus 0.50% and (3) the 30-day LIBOR rate plus 2.00%. We also pay an unused commitment fee on the average daily unused portion of the Facility at a rate of 0.25%. The average interest rate for the period ended June 30, 2019 was 4.00%. Interest expense and unused commitment fees are recorded in other income (expense).

The Facility contains both affirmative and negative covenants that we believe are customary for arrangements of this nature. Covenants include, but are not limited to, limitations on our ability to incur additional indebtedness, sell material assets, retire, redeem or otherwise reacquire our capital stock, acquire the capital stock or assets of another business, make investments and pay dividends. In addition, the Credit Agreement requires us to comply with financial covenants limiting our total funded debt, minimum interest coverage ratio and maximum leverage ratio. We were in compliance with all financial covenants under the Credit Agreement at June 30, 2019.

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Leases Leases (Notes)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lessee, Operating Leases [Text Block]

6. Leases

In February 2016, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-02, Leases (Topic 842), which requires lessees to recognize a right-of-use (“ROU”) asset and a lease liability for all leases with terms greater than 12 months and also requires disclosures by lessees and lessors about the amount, timing and uncertainty of cash flows arising from leases. Subsequent to the issuance of Topic 842, the FASB clarified the guidance through several ASUs; hereinafter, the collection of lease guidance is referred to as “ASC 842”.

On January 1, 2019 we adopted ASC 842 using the modified retrospective transition method. Results for the reporting period beginning January 1, 2019 are presented under ASC 842, while prior period amounts were not adjusted and continue to be reported in accordance with our historical accounting under ASC 840, Leases. Upon adoption of ASC 842, we increased our total assets and liabilities due to the recording of operating lease ROU assets and operating lease liabilities of approximately $50.8 million and $63.7 million, respectively, as of January 1, 2019. These increases did not have a material impact on our results of operations or cash flows.

For all leases that commenced before the effective date of ASC 842, we elected to apply the permitted practical expedients to not reassess the following: (1) whether any expired or existing contracts contain leases; (2) the lease classification for any expired or existing leases; and (3) initial direct costs for any existing leases.

We determine if an arrangement is a lease at inception of a contract. ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. ROU assets and lease liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. As most of our leases do not provide an implicit interest rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The lease terms used to calculate the ROU asset and related lease liability include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for operating leases is recognized on a straight-line basis over the lease term as an operating expense. We have lease agreements which require payments for lease and non-lease components and have elected to account for these as a single lease component related to our other operating facilities.

We have operating leases for office space, other operating facilities, vehicles and office equipment. Our fixed operating lease costs for the three and six months ended June 30, 2019 were $3.8 million and $7.6 million, respectively, and are included in general and administrative expenses on our Consolidated Statements of Operations. During the six months ended June 30, 2019, cash paid for amounts included in the measurement of operating lease liabilities was $8.1 million.

The following table presents the lease balances within our Condensed Consolidated Balance Sheets, weighted average lease term and weighted average discount rates related to our operating leases:

(dollars in thousands)	Classification in Condensed Consolidated Balance Sheets	June 30, 2019
Operating lease ROU assets	Right-of-use leased assets	$	54,189
Lease liabilities:
Current operating lease liabilities	Other accrued liabilities	$	14,241
Long-term operating lease liabilities	Operating lease liabilities, net of current	54,617
Total operating lease liabilities		$	68,858
Less:
Landlord funded tenant improvements		$	10,555
Deferred rent		4,114
Operating lease ROU assets		$	54,189
Weighted average remaining lease term (years)		6
Weighted average discount rate		4.7		%

The following presents the maturity of our operating leases liabilities as of June 30, 2019:

(in thousands)	Operating Leases
Remainder of 2019	$	8,578
2020	16,035
2021	13,185
2022	11,637
2023	9,286
Thereafter	20,606
Total remaining obligation	79,327
Less imputed interest	10,469
Present value of lease liabilities	$	68,858

As of June 30, 2019, we have additional operating leases that have not yet commenced of $16.6 million with lease terms ranging from 4 years to 7 years.

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Stockholders' Equity (Notes)

6 Months Ended

Jun. 30, 2019

Stockholders' Equity Note [Abstract]

Stockholders Equity

7. Stockholders' Equity

During the first six months of 2019, we repurchased or withheld an aggregate of 315,369 shares of our common stock, as described below.

Repurchase Program

Our Board of Directors (the “Board”) has authorized a program to repurchase shares of our outstanding common stock (“Repurchase Program”). The purchases are to be made from time to time in the open market or directly from stockholders at prevailing market prices based on market conditions and other factors. During the six months ended June 30, 2019, 88,210 shares were repurchased under the Repurchase Program. As of June 30, 2019, we were authorized to repurchase an additional 1,522,945 shares under the Repurchase Program.

Withheld Shares

During the six months ended June 30, 2019, we withheld 227,159 shares to satisfy tax withholding obligations for the vesting of long-term incentive and restricted stock awards.

Dividends

The Board declared quarterly dividends as follows:

(amounts per share)	2019		2018
First quarter	$	0.30	$	0.20
Second quarter	0.30		0.20

During the six months ended June 30, 2019 and 2018, we paid dividends totaling $24.7 million and $16.8 million, respectively.

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Net Income Per Share (Notes)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Net Income per Share

8. Net Income Per Share

We utilize the two-class method to compute net income per share. The two-class method allocates a portion of net income to participating securities, which includes unvested awards of share-based payments with non-forfeitable rights to receive dividends. Net income allocated to unvested share-based payments is excluded from net income allocated to common shares. Any undistributed losses resulting from dividends exceeding net income are not allocated to participating securities. Basic net income per share is computed by dividing net income allocated to common shares by the weighted average number of common shares outstanding during the period. Diluted net income per share is computed by dividing net income allocated to common shares by the weighted average number of common shares outstanding during the period, plus the dilutive effect of outstanding stock options.

The following table summarizes the net income allocated to common shares and the basic and diluted shares used in the net income per share computations:

	Three Months Ended June 30,						Six Months Ended   June 30,
(in thousands)	2019			2018			2019			2018
Net income	$	28,556		$	24,560		$	104,845		$	74,551
Less distributed and undistributed earnings allocated to participating securities	(309		)	(346		)	(1,183		)	(1,064		)
Net income allocated to common shares	$	28,247		$	24,214		$	103,662		$	73,487
Weighted average common shares outstanding	40,771			41,377			40,640			41,301
Incremental shares from assumed LTIP awards and conversions of common stock options	145			156			140			324
Adjusted weighted average common shares outstanding	40,916			41,533			40,780			41,625

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Commitments and Contingencies (Notes)

6 Months Ended

Jun. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

9. Commitments and Contingencies

Worksite Employee 401(k) Retirement Plan Class Action Litigation

In December 2015, a class action lawsuit was filed against us and a third-party who served as the discretionary trustee of the Insperity 401(k) retirement plan that is available to eligible worksite employees (the “Plan”) in the United States District Court for the Northern District of Georgia, Atlanta Division, on behalf of Plan participants. The suit generally alleges the third-party discretionary trustee of the Plan and Insperity breached their fiduciary duties to plan participants by selecting an Insperity subsidiary to serve as the recordkeeper for the Plan, by causing participants in the Plan to pay excessive recordkeeping fees to the Insperity subsidiary, by failing to monitor other fiduciaries, and by making imprudent investment choices. The court certified a class defined as “all participants and beneficiaries of the Insperity 401(k) Plan from December 22, 2009 through September 30, 2017.” The court dismissed the breach of fiduciary duty claims relating to the selection of an Insperity subsidiary to serve as the recordkeeper of the Plan. On March 28, 2019, the court partially granted Insperity’s motion for summary judgment, resulting in the dismissal of the

claims concerning allegations of excessive recordkeeping fees. The court has denied plaintiffs’ request for a jury trial and has set a bench trial for March 2, 2020. With respect to plaintiffs’ remaining claims, plaintiffs allege damages up to $128 million against all defendants. We believe we have meritorious defenses, and we intend to vigorously defend this litigation. As a result of uncertainty regarding the outcome of this matter, no provision has been made in the accompanying consolidated financial statements.

Other Litigation

We are a defendant in various other lawsuits and claims arising in the normal course of business. Management believes it has valid defenses in these cases and is defending them vigorously. While the results of litigation cannot be predicted with certainty, management believes the final outcome of such litigation will not have a material adverse effect on our financial position or results of operations.

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Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Health Insurance Costs

Health Insurance Costs

We provide group health insurance coverage to our WSEEs in our PEO HR Outsourcing solutions through a national network of carriers, including UnitedHealthcare (“United”), UnitedHealthcare of California, Kaiser Permanente, Blue Shield of California, HMSA BlueCross BlueShield of Hawaii, and Tufts, all of which provide fully insured policies or service contracts.

The policy with United provides approximately 87% of our health insurance coverage. While the policy with United is a fully-insured plan, as a result of certain contractual terms, we have accounted for this plan since its inception using a partially self-funded insurance accounting model. Accordingly, we record the costs of the United plan, including an estimate of the incurred claims, taxes and administrative fees (collectively the “Plan Costs”) as benefits expense, which is a component of direct costs, in our Consolidated Statements of Operations. The estimated incurred claims are based upon: (1) the level of claims processed during the quarter; (2) estimated completion rates based upon recent claim development patterns under the plan; and (3) the number of participants in the plan, including both active and COBRA enrollees. Each reporting period, changes in the estimated ultimate costs resulting from claim trends, plan design and migration, participant demographics and other factors are incorporated into the benefits costs.

Additionally, since the plan’s inception, under the terms of the contract, United establishes cash funding rates 90 days in advance of the beginning of a reporting quarter. If the Plan Costs for a reporting quarter are greater than the premiums paid and owed to United, a deficit in the plan would be incurred and a liability for the excess costs would be accrued in our Condensed Consolidated Balance Sheets. On the other hand, if the Plan Costs for the reporting quarter are less than the premiums paid and owed to United, a surplus in the plan would be incurred and we would record an asset for the excess premiums in our Condensed Consolidated Balance Sheets. The terms of the arrangement require us to maintain an accumulated cash surplus in the plan of $9.0 million, which is reported as long-term prepaid insurance. In addition, United requires a deposit equal to approximately one day of claims funding activity, which was $5.0 million as of June 30, 2019, and is reported as a long-term asset. As of June 30, 2019, Plan Costs were less than the net premiums paid and owed to United by $16.4 million. As this amount is in excess of the agreed-upon $9.0 million surplus maintenance level, the $7.4 million difference is included in prepaid insurance, a current asset, in our Condensed Consolidated Balance Sheets. The premiums, including the additional quarterly premiums, owed to United at June 30, 2019 were $15.0 million, which is included in accrued health insurance costs, a current liability in our Condensed Consolidated Balance Sheets. Our benefits costs incurred in the first six months of 2019 included a charge of $3.5 million for changes in estimated run-off related to prior periods.

Workers' Compensation Costs

Workers’ Compensation Costs

Our workers’ compensation coverage for our WSEEs in our PEO HR Outsourcing solutions has been provided through an arrangement with the Chubb Group of Insurance Companies or its predecessors (the “Chubb Program”) since 2007. The Chubb Program is fully insured in that Chubb has the responsibility to pay all claims incurred under the policy regardless of whether we satisfy our responsibilities. Under the Chubb Program, we have financial responsibility to Chubb for the first $1 million layer of claims per occurrence and, for claims over $1 million, up to a maximum aggregate amount of $6 million per policy year for claims that exceed $1 million. Chubb bears the financial responsibility for all claims in excess of these levels.

Because we bear the financial responsibility for claims up to the levels noted above, such claims, which are the primary component of our workers’ compensation costs, are recorded in the period incurred. Workers’ compensation insurance includes ongoing health care and indemnity coverage whereby claims are paid over numerous years following the date of injury. Accordingly, the accrual of related incurred costs in each reporting period includes estimates, which take into account the ongoing development of claims and therefore requires a significant level of judgment.

We utilize a third-party actuary to estimate our loss development rate, which is primarily based upon the nature of WSEEs job responsibilities, the location of WSEEs, the historical frequency and severity of workers’ compensation claims, and an estimate of future cost trends. Each reporting period, changes in the actuarial assumptions resulting from changes in actual claims experience and other trends are incorporated into our workers’ compensation claims cost estimates. During the six months ended June 30, 2019 and 2018, we reduced accrued workers’ compensation costs by $19.0 million and $10.9 million, respectively, for changes in estimated losses related to prior reporting periods. Workers’ compensation cost estimates are discounted to present value at a rate based upon the U.S. Treasury rates that correspond with the weighted average estimated claim payout period (the average discount rate utilized in the 2019 period was 2.3% and in the 2018 period was 2.5%) and are accreted over the estimated claim payment period and included as a component of direct costs in our Consolidated Statements of Operations.

The following table provides the activity and balances related to incurred but not paid workers’ compensation claims:

	Six Months Ended June 30,
(in thousands)	2019			2018
Beginning balance, January 1,	$	229,639		$	207,630
Accrued claims	27,299			33,260
Present value discount	(2,703		)	(3,360		)
Paid claims	(22,727		)	(21,686		)
Ending balance	$	231,508		$	215,844
Current portion of accrued claims	$	43,267		$	41,827
Long-term portion of accrued claims	188,241			174,017
Total accrued claims	$	231,508		$	215,844

The current portion of accrued workers’ compensation costs on our Condensed Consolidated Balance Sheets at June 30, 2019 includes $3.9 million of workers’ compensation administrative fees.

As of June 30, 2019 and 2018, the undiscounted accrued workers’ compensation costs were $250.9 million and $230.4 million, respectively.

At the beginning of each policy period, the workers’ compensation insurance carrier establishes monthly funding requirements comprised of premium costs and funds to be set aside for payment of future claims (“claim funds”). The level of claim funds is primarily based upon anticipated WSEE payroll levels and expected workers’ compensation loss rates, as determined by the insurance carrier. Monies funded into the program for incurred claims expected to be paid within one year are recorded as restricted cash, a short-term asset, while the remainder of claim funds are included in deposits – workers’ compensation, a long-term asset in our Condensed Consolidated Balance Sheets. During the six months ended June 30, 2019, we funded a collateral deposit of $6.4 million for policy years prior to 2007, which increased deposits. As of June 30, 2019, we had restricted cash of $43.3 million and deposits – workers’ compensation of $187.7 million.

Our estimate of incurred claim costs expected to be paid within one year is included in short-term liabilities, while our estimate of incurred claim costs expected to be paid beyond one year is included in long-term liabilities on our Condensed Consolidated Balance Sheets.

Revenue Recognition

Revenue and Direct Cost Recognition

We enter into contracts with our customers for human resources services based on a stated rate and price in the contract. Our contracts generally have a term of 12 months, but are cancellable at any time by either party with 30-days’ notice. Our performance obligations are satisfied as services are rendered each month. The term between invoicing and when our performance obligations are satisfied is not significant. Payment terms are typically due concurrently with the invoicing of our PEO services. We do not have significant financing components or significant payment terms.

Our revenue is generally recognized ratably over the payroll period as WSEEs perform their service at the client worksite. Customers are invoiced concurrently with each periodic payroll of its WSEEs. Revenues that have been recognized but unbilled of $414.6 million and $385.6 million at June 30, 2019 and December 31, 2018, respectively, are included in accounts receivable, net on our Condensed Consolidated Balance Sheets.

Pursuant to the “practical expedients” provided under Accounting Standards Update (“ASU”) No 2014-09, we expense sales commissions when incurred because the terms of our contracts are cancellable by either party with a 30-day notice. These costs are recorded in commissions in our Consolidated Statements of Operations.

Our revenue for our PEO HR Outsourcing solutions by geographic region and for our other products and services offerings are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2019		2018		% Change		2019		2018		% Change
Northeast	$	270,475	$	239,278	13.0	%	$	581,422	$	511,642	13.6	%
Southeast	120,148		108,264		11.0	%	250,054		223,452		11.9	%
Central	179,443		153,025		17.3	%	375,196		321,092		16.8	%
Southwest	244,462		213,920		14.3	%	514,294		446,785		15.1	%
West	215,639		194,986		10.6	%	448,842		407,605		10.1	%
	1,030,167		909,473		13.3	%	2,169,808		1,910,576		13.6	%
Other revenue	13,149		12,822		2.6	%	26,518		26,091		1.6	%
Total revenue	$	1,043,316	$	922,295	13.1	%	$	2,196,326	$	1,936,667	13.4	%

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Fair Value Measurements Fair Vlue Measurements (Policies)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments, Policy [Policy Text Block]

We account for our financial assets in accordance with Accounting Standard Codification 820, Fair Value Measurement. This standard defines fair value, establishes a framework for measuring fair value and expands disclosures about fair value measurements. The fair value measurement disclosures are grouped into three levels based on valuation factors:

• Level 1 - quoted prices in active markets using identical assets

• Level 2 - significant other observable inputs, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other observable inputs

•

Level 3 - significant unobservable inputs

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Leases Leases (Policies)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Leases of Lessee Disclosure [Text Block]

In February 2016, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2016-02, Leases (Topic 842), which requires lessees to recognize a right-of-use (“ROU”) asset and a lease liability for all leases with terms greater than 12 months and also requires disclosures by lessees and lessors about the amount, timing and uncertainty of cash flows arising from leases. Subsequent to the issuance of Topic 842, the FASB clarified the guidance through several ASUs; hereinafter, the collection of lease guidance is referred to as “ASC 842”.

On January 1, 2019 we adopted ASC 842 using the modified retrospective transition method. Results for the reporting period beginning January 1, 2019 are presented under ASC 842, while prior period amounts were not adjusted and continue to be reported in accordance with our historical accounting under ASC 840, Leases. Upon adoption of ASC 842, we increased our total assets and liabilities due to the recording of operating lease ROU assets and operating lease liabilities of approximately $50.8 million and $63.7 million, respectively, as of January 1, 2019. These increases did not have a material impact on our results of operations or cash flows.

For all leases that commenced before the effective date of ASC 842, we elected to apply the permitted practical expedients to not reassess the following: (1) whether any expired or existing contracts contain leases; (2) the lease classification for any expired or existing leases; and (3) initial direct costs for any existing leases.

We determine if an arrangement is a lease at inception of a contract. ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. ROU assets and lease liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. As most of our leases do not provide an implicit interest rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The lease terms used to calculate the ROU asset and related lease liability include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for operating leases is recognized on a straight-line basis over the lease term as an operating expense. We have lease agreements which require payments for lease and non-lease components and have elected to account for these as a single lease component related to our other operating facilities.

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Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Activity and balances related to incurred but not paid workers' compensation claims

The following table provides the activity and balances related to incurred but not paid workers’ compensation claims:

	Six Months Ended June 30,
(in thousands)	2019			2018
Beginning balance, January 1,	$	229,639		$	207,630
Accrued claims	27,299			33,260
Present value discount	(2,703		)	(3,360		)
Paid claims	(22,727		)	(21,686		)
Ending balance	$	231,508		$	215,844
Current portion of accrued claims	$	43,267		$	41,827
Long-term portion of accrued claims	188,241			174,017
Total accrued claims	$	231,508		$	215,844

Disaggregation of Revenue [Table Text Block]

Our revenue for our PEO HR Outsourcing solutions by geographic region and for our other products and services offerings are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
(in thousands)	2019		2018		% Change		2019		2018		% Change
Northeast	$	270,475	$	239,278	13.0	%	$	581,422	$	511,642	13.6	%
Southeast	120,148		108,264		11.0	%	250,054		223,452		11.9	%
Central	179,443		153,025		17.3	%	375,196		321,092		16.8	%
Southwest	244,462		213,920		14.3	%	514,294		446,785		15.1	%
West	215,639		194,986		10.6	%	448,842		407,605		10.1	%
	1,030,167		909,473		13.3	%	2,169,808		1,910,576		13.6	%
Other revenue	13,149		12,822		2.6	%	26,518		26,091		1.6	%
Total revenue	$	1,043,316	$	922,295	13.1	%	$	2,196,326	$	1,936,667	13.4	%

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Cash, Cash Equivalents and Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2019

Cash, Cash Equivalents and Marketable Securities [Abstract]

Summary of investments in cash, cash equivalents and marketable securities

The following table summarizes our cash and investments in cash equivalents and marketable securities held by investment managers and overnight investments:

	June 30, 2019								December 31, 2018
(in thousands)	Cash & Cash Equivalents			Marketable Securities		Total			Cash & Cash Equivalents			Marketable Securities		Total
Overnight holdings	$	292,464		$	—	$	292,464		$	311,158		$	—	$	311,158
Investment holdings	13,515			61,129		74,644			16,711			60,781		77,492
Cash in demand accounts	39,915			—		39,915			33,207			—		33,207
Outstanding checks	(20,968		)	—		(20,968		)	(34,303		)	—		(34,303		)
Total	$	324,926		$	61,129	$	386,055		$	326,773		$	60,781	$	387,554

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Fair Value Measurements Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]

The following table summarizes the levels of fair value measurements of our financial assets:

	June 30, 2019						December 31, 2018
(in thousands)	Total		Level 1		Level 2		Total		Level 1		Level 2
Money market funds	$	303,908	$	303,908	$	—	$	325,819	$	325,819	$	—
U.S. Treasury bills	59,775		59,775		—		52,197		52,197		—
Municipal bonds	3,425		—		3,425		10,634		—		10,634
Total	$	367,108	$	363,683	$	3,425	$	388,650	$	378,016	$	10,634

Available-for-sale Securities [Table Text Block]

The following is a summary of our available-for-sale marketable securities:

(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
June 30, 2019
U.S. Treasury bills	$	57,650	$	54	$	—		$	57,704
Municipal bonds	3,425		—		—			3,425
Total	$	61,075	$	54	$	—		$	61,129
December 31, 2018
U.S. Treasury bills	$	50,150	$	—	$	(3	)	$	50,147
Municipal bonds	10,640		1		(7		)	10,634
Total	$	60,790	$	1	$	(10	)	$	60,781

Investments Classified by Contractual Maturity Date [Table Text Block]

As of June 30, 2019, the contractual maturities of our marketable securities were as follows:

(in thousands)	Amortized Cost		Estimated Fair Value
Less than one year	$	61,075	$	61,129
One to five years	—		—
Total	$	61,075	$	61,129

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Leases Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Schedule of lease in balance sheet [Table Text Block]

The following table presents the lease balances within our Condensed Consolidated Balance Sheets, weighted average lease term and weighted average discount rates related to our operating leases:

(dollars in thousands)	Classification in Condensed Consolidated Balance Sheets	June 30, 2019
Operating lease ROU assets	Right-of-use leased assets	$	54,189
Lease liabilities:
Current operating lease liabilities	Other accrued liabilities	$	14,241
Long-term operating lease liabilities	Operating lease liabilities, net of current	54,617
Total operating lease liabilities		$	68,858
Less:
Landlord funded tenant improvements		$	10,555
Deferred rent		4,114
Operating lease ROU assets		$	54,189
Weighted average remaining lease term (years)		6
Weighted average discount rate		4.7		%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following presents the maturity of our operating leases liabilities as of June 30, 2019:

(in thousands)	Operating Leases
Remainder of 2019	$	8,578
2020	16,035
2021	13,185
2022	11,637
2023	9,286
Thereafter	20,606
Total remaining obligation	79,327
Less imputed interest	10,469
Present value of lease liabilities	$	68,858

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Stockholders' Equity Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2019

Stockholders' Equity Attributable to Parent [Abstract]

Quarterly dividends declared [Table Text Block]

The Board declared quarterly dividends as follows:

(amounts per share)	2019		2018
First quarter	$	0.30	$	0.20
Second quarter	0.30		0.20

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Net Income per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Summary of the net income allocated to common shares and the basic and diluted shares used in the net income per share computations

The following table summarizes the net income allocated to common shares and the basic and diluted shares used in the net income per share computations:

	Three Months Ended June 30,						Six Months Ended   June 30,
(in thousands)	2019			2018			2019			2018
Net income	$	28,556		$	24,560		$	104,845		$	74,551
Less distributed and undistributed earnings allocated to participating securities	(309		)	(346		)	(1,183		)	(1,064		)
Net income allocated to common shares	$	28,247		$	24,214		$	103,662		$	73,487
Weighted average common shares outstanding	40,771			41,377			40,640			41,301
Incremental shares from assumed LTIP awards and conversions of common stock options	145			156			140			324
Adjusted weighted average common shares outstanding	40,916			41,533			40,780			41,625

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Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Health Insurance Costs [Abstract]
Percentage of our health insurance coverage provided by United	87.00%		87.00%
Number of days in advance of the beginning of a reporting quarter United establishes cash funding rates			90 days
Required accumulated cash surplus	$ 9,000		$ 9,000		$ 9,000
Required deposit equal to approximately one day of claims funding activity	5,000		5,000
Amount which plan costs were less than the net premiums paid and owed	16,400		16,400
Prepaid health insurance, current	7,400		7,400
Premiums owed to United	15,000		15,000
Benefits costs incurred (reduced) related to run-off	(3,500)		(3,500)
Workers' Compensation Costs [Abstract]
Company's maximum economic burden for the first layer of claims per occurrence	1,000		1,000
Company's maximum aggregate economic burden for claims in excess of 1 million per policy year	6,000		6,000
Decrease Increase in accrued workers' compensation costs for changes in estimated losses			$ 19,000	$ 10,900
U.S. Treasury rates that correspond with the weighted average estimated claim payout period (in hundredths)			2.30%	2.50%
Incurred but not paid workers compensation liabilities [Abstract]
Workers' Compensation Expense			$ 27,299	$ 33,260
Present value discount			(2,703)	(3,360)
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid			(22,727)	(21,686)
Ending balance	231,508	$ 215,844	231,508	215,844
Long-term portion of accrued claims	188,241	174,017	188,241	174,017	187,412
Workers compensation administrative fees accrued	3,900		3,900
Undiscounted accrued workers' compensation costs			$ 250,900	230,400
Time period incurred claims expected to be paid recorded as restricted cash			1 year
Time period incurred claims expected to be paid, included in deposits, a long-term asset			Greater than 1 year
Restricted cash	43,268	41,827	$ 43,268	41,827	42,227	$ 41,137
Deposits workers compensation	187,728	165,150	$ 187,728	165,150	166,474	154,215
Time period estimate of incurred claim costs to be paid included in short-term liabilities			1 year
Time period incurred claims expected to be paid, included in long-term liabilities			Greater than 1 year
Unbilled	414,600		$ 414,600		385,600
Disaggregation of Revenue [Line Items]
WorkersCompensationLiabilityNetOfAdminFeesCurrent	43,267	41,827	43,267	41,827
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustments	231,508	215,844	231,508	215,844	$ 229,639	$ 207,630
Revenue from Contract with Customer, Excluding Assessed Tax	1,043,316	922,295	2,196,326	1,936,667
Northeast [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	270,475	239,278	581,422	511,642
Southeast [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	120,148	108,264	250,054	223,452
Central [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	179,443	153,025	375,196	321,092
Southwest [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	244,462	213,920	514,294	446,785
West [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	215,639	194,986	448,842	407,605
Other Revenues [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 13,149	$ 12,822	$ 26,518	$ 26,091

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Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Cash and Cash Equivalents [Line Items]
Overnight Holdings	$ 292,464	$ 311,158
Short-term Investments	74,644	77,492
Cash	39,915	33,207
Drafts Payable	(20,968)	(34,303)
Cash, Cash Equivalents, and Short-term Investments	386,055	387,554
Payroll Withholdings Included in Cash Balance	218,000	224,500
Client Prepayments Included in Cash Balance	37,400	34,200
Money Market Funds [Member]
Cash and Cash Equivalents [Line Items]
Overnight Holdings	0	0
Short-term Investments	61,129	60,781
Cash	0	0
Drafts Payable	0	0
Cash, Cash Equivalents, and Short-term Investments	61,129	60,781
Cash and Cash Equivalents [Member]
Cash and Cash Equivalents [Line Items]
Overnight Holdings	292,464	311,158
Short-term Investments	13,515	16,711
Cash	39,915	33,207
Drafts Payable	(20,968)	(34,303)
Cash, Cash Equivalents, and Short-term Investments	$ 324,926	$ 326,773

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Fair Value Measurements Fair Value Measurements (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 303,908	$ 325,819
US Government Securities, at Carrying Value	59,775	52,197
Municipal bonds	3,425	10,634
Total	367,108	388,650
Available-for-sale Securities, Amortized Cost Basis	61,075	60,790
Available-for-sale Securities, Gross Unrealized Gain	54	1
Available-for-sale Securities, Gross Unrealized Loss	0	(10)
Available-for-sale Securities	61,129	60,781
Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract]
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost	61,075
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost	0
Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract]
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	61,129
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value	0
US Treasury Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Amortized Cost Basis	57,650	50,150
Available-for-sale Securities, Gross Unrealized Gain	54	0
Available-for-sale Securities, Gross Unrealized Loss	0	(3)
Available-for-sale Securities	57,704	50,147
Municipal Bond [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Amortized Cost Basis	3,425	10,640
Available-for-sale Securities, Gross Unrealized Gain	0	1
Available-for-sale Securities, Gross Unrealized Loss	0	(7)
Available-for-sale Securities	3,425	10,634
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	303,908	325,819
US Government Securities, at Carrying Value	59,775	52,197
Municipal bonds	0	0
Total	363,683	378,016
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
US Government Securities, at Carrying Value	0	0
Municipal bonds	3,425	10,634
Total	$ 3,425	$ 10,634

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Long-term Debt (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Line of Credit Facility [Line Items]
Current borrowing capacity	$ 350,000
Maximum borrowing capacity	$ 400,000
Percentage Of Subsidiary Stock Securing Debt	0.65
Long-term debt	$ 169,400	$ 144,400
Letters of Credit Outstanding, Amount	1,000
Line of Credit Facility, Remaining Borrowing Capacity	$ 179,600
Applicable Margin Federal Funds Rate	0.50%
Applicable Margin 30 Day Libor	2.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.25%
Line of Credit Facility, Interest Rate During Period	4.00%
London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%
London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Base Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.00%
Base Rate [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.50%

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Leases Leases (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating Lease, Cost	$ 3,800	$ 7,600
Operating Lease, Payments		8,100
Lessee Operating Lease Leases Not Yet Commenced Amount	16,600	16,600
Right-of-use leased assets	$ 54,189	$ 54,189	$ 50,800	$ 0
Operating Lease, Weighted Average Remaining Lease Term	6 years	6 years
Operating Lease, Liability, Current	$ 14,241	$ 14,241
Operating lease liabilities, net of current	54,617	54,617		$ 0
Landlord funded tenant improvements	10,555	10,555
Deferred Rent Credit, Noncurrent	$ 4,114	$ 4,114
Operating Lease, Weighted Average Discount Rate, Percent	4.70%	4.70%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 8,578	$ 8,578
Lessee, Operating Lease, Liability, Payments, Due Year Two	16,035	16,035
Lessee, Operating Lease, Liability, Payments, Due Year Three	13,185	13,185
Lessee, Operating Lease, Liability, Payments, Due Year Four	11,637	11,637
Lessee, Operating Lease, Liability, Payments, Due Year Five	9,286	9,286
Lessee, Operating Lease, Liability, Payments, Due after Year Five	20,606	20,606
Lessee, Operating Lease, Liability, Payments, Due	79,327	79,327
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	10,469	10,469
Operating Lease, Liability	$ 68,858	$ 68,858	$ 63,700
Minimum [Member]
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	4 years	4 years
Maximum [Member]
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract	7 years	7 years

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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Stockholders' Equity Note [Abstract]
Dividends					$ 24.7	$ 16.8
Aggregate number of shares repurchased during the period (in shares)					315,369
Shares repurchased under the program (in shares)					88,210
Authorized to repurchased additional shares under repurchase program (in shares)	1,522,945				1,522,945
Shares withheld for tax withholding obligations for the vesting of restricted stock awards (in shares)					227,159
Dividends declared per share of common stock (in dollars per share)	$ 0.30	$ 0.30	$ 0.20	$ 0.20

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Net Income per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net income	$ 28,556	$ 24,560	$ 104,845	$ 74,551
Less distributed and undistributed earnings allocated to participating securities	309	346	1,183	1,064
Net Income (Loss) Available to Common Stockholders, Basic	$ 28,247	$ 24,214	$ 103,662	$ 73,487
Weighted average common shares outstanding basic (in shares)	40,771	41,377	40,640	41,301
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	145	156	140	324
Weighted Average Number of Shares Outstanding, Diluted	40,916	41,533	40,780	41,625

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Commitments and Contingencies Commitments and Contingencies (Details)	6 Months Ended
	Jun. 30, 2019 USD ($)
Commitments and Contingencies Disclosure (Details) [Abstract]
Loss Contingency, Damages Sought	$ 128,000,000
Loss Contingency Accrual, Provision	$ 0