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 March 31, 2023

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 Number 0-18655

EXPONENT, INC.

(Exact name of registrant as specified in its charter)

delaware	77-0218904
(State or other jurisdiction of	(I.R.S. Employer Identification No.)
incorporation or organization)
149 COMMONWEALTH DRIVE, MENLO PARK, California	94025
(Address of principal executive office)	(Zip Code)

(650) 326-9400

(Registrant’s telephone number, including area code)

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 (§232.405 of this chapter) 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, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “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	☐	Smaller reporting company	☐
Emerging growth 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 ☒

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $0.001 per share	EXPO	Nasdaq Global Select Market

As of April 28, 2023, the latest practicable date, the registrant had 50,835,148 shares of common stock outstanding.

EXPONENT, INC.

FORM 10-Q

TABLE OF CONTENTS

		Page
PART I – FINANCIAL INFORMATION		3
Item 1.	Financial Statements (unaudited):	3
	Condensed Consolidated Balance Sheets as of March 31, 2023 and December 30, 2022	3
	Condensed Consolidated Statements of Income for the Three Months Ended March 31, 2023 and April 1, 2022	4
	Condensed Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2023 and April 1, 2022	5
	Condensed Consolidated Statements of Stockholders’ Equity for the Three Months Ended March 31, 2023 and April 1, 2022	6
	Condensed Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2023 and April 1, 2022	7
	Notes to Unaudited Condensed Consolidated Financial Statements	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	18
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	25
Item 4.	Controls and Procedures	25
PART II – OTHER INFORMATION		26
Item 1.	Legal Proceedings	26
Item 1A.	Risk Factors	26
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	26
Item 3.	Defaults Upon Senior Securities	26
Item 4.	Mine Safety Disclosures	26
Item 5.	Other Information	26
Item 6.	Exhibits	27
	Signatures	28

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements

EXPONENT, INC.

Condensed Consolidated Balance Sheets

March 31, 2023 and December 30, 2022

(in thousands, except par value)

(unaudited)

	March 31, 2023			December 30, 2022
Assets
Current assets:
Cash and cash equivalents	$	125,649		$	161,458
Accounts receivable, net of allowance for contract losses and doubtful accounts    of $7,069 and $6,193 at March 31, 2023 and December 30, 2022, respectively		173,064			170,114
Prepaid expenses and other current assets		19,588			17,585
Total current assets		318,301			349,157
Property, equipment and leasehold improvements, net		69,413			65,539
Operating lease right-of-use assets		16,629			18,007
Goodwill		8,607			8,607
Deferred income taxes		52,184			53,909
Deferred compensation plan assets		98,981			89,437
Other assets		2,312			2,006
Total assets	$	566,427		$	586,662
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable and accrued liabilities	$	26,322		$	29,115
Accrued payroll and employee benefits		63,390			105,822
Deferred revenues		14,567			18,834
Operating lease liabilities		4,900			5,258
Total current liabilities		109,179			159,029
Other liabilities		2,513			2,355
Deferred compensation plan liabilities		101,330			91,183
Operating lease liabilities		11,549			13,343
Total liabilities		224,571			265,910
Stockholders’ equity:
Common stock, $0.001 par value; 120,000 shares authorized; 65,707 shares    issued at March 31, 2023 and December 30, 2022		66			66
Additional paid-in capital		314,502			301,002
Accumulated other comprehensive loss
Foreign currency translation adjustments		(3,127	)		(3,587	)
Retained earnings		542,983			528,810
Treasury stock, at cost; 14,872 and 15,064 shares held at March 31, 2023 and December 30, 2022, respectively		(512,568	)		(505,539	)
Total stockholders’ equity		341,856			320,752
Total liabilities and stockholders’ equity	$	566,427		$	586,662

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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EXPONENT, INC.

Condensed Consolidated Statements of Income

For the Three Months Ended March 31, 2023 and April 1, 2022

(in thousands, except per share data)

(unaudited)

	Three Months Ended
	March 31, 2023		April 1, 2022
Revenues:
Revenues before reimbursements	$	128,705	$	117,870
Reimbursements		11,604		10,608
Revenues		140,309		128,478
Operating expenses:
Compensation and related expenses		84,181		68,757
Other operating expenses		9,561		8,165
Reimbursable expenses		11,604		10,608
General and administrative expenses		5,843		4,231
Total operating expenses		111,189		91,761
Operating income		29,120		36,717
Other income, net:
Interest income, net		1,770		21
Miscellaneous income (loss), net		4,648		(3,931	)
Total other income (loss), net		6,418		(3,910	)
Income before income taxes		35,538		32,807
Income taxes		6,414		3,198
Net income	$	29,124	$	29,609
Net income per share:
Basic	$	0.57	$	0.56
Diluted	$	0.56	$	0.56
Shares used in per share computations:
Basic		51,132		52,419
Diluted		51,682		53,039
Cash dividends declared per common share	$	0.26	$	0.24

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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EXPONENT, INC.

Condensed Consolidated Statements of Comprehensive Income

For the Three Months Ended March 31, 2023 and April 1, 2022

(in thousands)

(unaudited)

	Three Months Ended
	March 31, 2023		April 1, 2022
Net income	$	29,124	$	29,609
Other comprehensive income (loss):
Foreign currency translation    adjustments, net of tax		460		(310	)
Comprehensive income	$	29,584	$	29,299

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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EXPONENT, INC

Condensed Consolidated Statements of Stockholders’ Equity

(in thousands)

(unaudited)

	Three Months Ended March 31, 2023
	Common Stock				Additional paid-in			Accumulated other comprehensive			Retained			Treasury Stock
	Shares		Amount		capital			loss			earnings			Shares			Amount			Total
Balance at December 30, 2022		65,707	$	66	$	301,002		$	(3,587	)	$	528,810			15,064		$	(505,539	)	$	320,752
Employee stock purchase plan		-		-		517			-			-			(6	)		63			580
Amortization of unrecognized stock-based    compensation		-		-		4,205			-			-			-			-			4,205
Foreign currency translation adjustments		-		-		-			460			-			-			-			460
Grant of restricted stock units to settle accrued    bonus		-		-		10,497			-			-			-			-			10,497
Settlement of restricted stock units		-		-		(1,741	)		-			(1,009	)		(178	)		(7,170	)		(9,920	)
Exercise of stock options		-		-		22									(8	)		78			100
Dividends and dividend equivalent rights		-		-		-			-			(13,942	)		-			-			(13,942	)
Net income		-		-		-			-			29,124			-			-			29,124
Balance at March 31, 2023		65,707	$	66	$	314,502		$	(3,127	)	$	542,983			14,872		$	(512,568	)	$	341,856
	Three Months Ended April 1, 2022
	Common Stock				Additional paid-in			Accumulated other comprehensive			Retained			Treasury Stock
(In thousands)	Shares		Amount		capital			income (loss)			earnings			Shares			Amount			Total
Balance at December 31, 2021		65,707	$	66	$	281,419		$	(1,983	)	$	478,370			13,591		$	(340,807	)	$	417,065
Employee stock purchase plan		-		-		511			-			-			(6	)		53			564
Amortization of unrecognized stock-based    compensation		-		-		4,094			-			-			-			-			4,094
Purchase of treasury stock		-		-		-			-			-			553			(48,554	)		(48,554	)
Foreign currency translation adjustments		-		-		-			(310	)		-			-			-			(310	)
Grant of restricted stock units to settle accrued    bonus		-		-		10,200			-			-			-			-			10,200
Settlement of restricted stock units		-		-		(2,335	)		-			(1,392	)		(253	)		(9,177	)		(12,904	)
Dividends and dividend equivalent rights		-		-		-			-			(13,200	)		-			-			(13,200	)
Net income		-		-		-			-			29,609			-			-			29,609
Balance at April 1, 2022		65,707	$	66	$	293,889		$	(2,293	)	$	493,387		$	13,885		$	(398,485	)	$	386,564

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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EXPONENT, INC.

Condensed Consolidated Statements of Cash Flows

For the Three Months Ended March 31, 2023 and April 1, 2022

(in thousands)

(unaudited)

	Three Months Ended
	March 31, 2023			April 1, 2022
Cash flows from operating activities:
Net income	$	29,124		$	29,609
Adjustments to reconcile net income to net cash used in    operating activities:
Depreciation and amortization of property, equipment and    leasehold improvements		1,988			1,689
Provision for contract losses and doubtful accounts		892			686
Stock-based compensation		7,063			6,870
Deferred income tax provision		1,725			45
Changes in operating assets and liabilities:
Accounts receivable		(3,842	)		(8,333	)
Prepaid expenses and other current assets		(7,777	)		(9,948	)
Change in operating leases		(774	)		(535	)
Accounts payable and accrued liabilities		(2,271	)		5,234
Accrued payroll and employee benefits		(28,564	)		(27,576	)
Deferred revenues		(4,267	)		(4,093	)
Net cash used in operating activities		(6,703	)		(6,352	)
Cash flows from investing activities:
Capital expenditures		(5,668	)		(2,606	)
Net cash used in investing activities		(5,668	)		(2,606	)
Cash flows from financing activities:
Payroll taxes for restricted stock units		(9,920	)		(12,904	)
Repurchase of common stock		-			(48,554	)
Exercise of stock-based payment awards		680			564
Dividends and dividend equivalents rights		(14,500	)		(12,514	)
Net cash used in financing activities		(23,740	)		(73,408	)
Effect of foreign currency exchange rates on cash and cash equivalents		302			(271	)
Net decrease in cash and cash equivalents		(35,809	)		(82,637	)
Cash and cash equivalents at beginning of period		161,458			297,687
Cash and cash equivalents at end of period	$	125,649		$	215,050

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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EXPONENT, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1: Basis of Presentation

Exponent, Inc. (referred to as the “Company” or “Exponent”) is an engineering and scientific consulting firm that provides solutions to complex problems. The Company operates on a 52-53 week fiscal year ending on the Friday closest to the last day of December.

The accompanying unaudited condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information, the instructions to Form 10-Q and Article 10 of Regulation S-X promulgated by the U.S. Securities and Exchange Commission. Accordingly, they do not contain all the information and notes required by accounting principles generally accepted in the United States of America for complete financial statements. In the opinion of management, all adjustments which are necessary for the fair presentation of the condensed consolidated financial statements have been included and all such adjustments are of a normal and recurring nature. The operating results for the three months ended March 31, 2023 are not necessarily representative of the results of future quarterly or annual periods. The following information should be read in conjunction with the audited consolidated financial statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 30, 2022, which was filed with the U.S. Securities and Exchange Commission on February 24, 2023.

The unaudited condensed consolidated financial statements include the accounts of Exponent, Inc. and its subsidiaries, which are all wholly owned. All intercompany accounts and transactions have been eliminated in consolidation.

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the period. Items subject to such estimates and assumptions include accounting for revenue recognition and estimating the allowance for contract losses and doubtful accounts. Actual results could differ from those estimates.

Note 2: Revenue Recognition

Substantially all of the Company’s engagements are performed under time and materials or fixed-price arrangements. For time and materials contracts, the Company utilizes the practical expedient under Accounting Standards Codification 606 – Revenue from Contracts with Customers, which states that if an entity has a right to consideration from a customer in an amount that corresponds directly with the value of the entity’s performance completed to date (for example, a service contract in which an entity bills a fixed amount for each hour of service provided) then the entity may recognize revenue in the amount to which the entity has a right to invoice.

The following table discloses the percentage of the Company’s revenue generated from time and materials contracts:

	Three Months Ended
	March 31, 2023			April 1, 2022
Engineering & other scientific		64	%		62	%
Environmental and health		16	%		17	%
Total time and materials revenues		80	%		79	%

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For fixed-price contracts, the Company recognizes revenue over time because of the continuous transfer of control to the customer. The customer typically controls the work in process as evidenced either by contractual termination clauses or by the Company’s rights to payment for work performed to date to deliver services that do not have an alternative use to the Company. Revenue for fixed-price contracts is recognized based on the relationship of incurred labor hours at standard rates to the Company’s estimate of the total labor hours at standard rates it expects to incur over the term of the contract. The Company believes this methodology achieves a reliable measure of the revenue from the consulting services it provides to its customers under fixed-price contracts given the nature of the consulting services the Company provides.

The following table discloses the percentage of the Company’s revenue generated from fixed price contracts:

	Three Months Ended
	March 31, 2023			April 1, 2022
Engineering & other scientific		19	%		20	%
Environmental and health		1	%		1	%
Total fixed price revenues		20	%		21	%

Deferred revenues represent amounts billed to clients in advance of services provided. During the first quarter of 2023, $8,566,000 of revenues were recognized that were included in the deferred revenue balance at December 30, 2022. During the first quarter of 2022, $9,644,000 of revenues were recognized that were included in the deferred revenue balance at December 31, 2021.

Reimbursements, including those related to travel and other out-of-pocket expenses, and other similar third- party costs such as the cost of materials and certain subcontracts, are included in revenues, and an equivalent amount of reimbursable expenses are included in operating expenses. Any mark-up on reimbursable expenses is included in revenues before reimbursements. The Company reports revenues net of subcontractor fees for certain subcontracts where the Company has determined that it is acting as an agent because its performance obligation is to arrange for the provision of goods or services by another party. The total amount of subcontractor fees not included in revenues because the Company was acting as an agent were $5,751,000 and $3,660,000 during the first quarter of 2023 and 2022, respectively.

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Note 3: Fair Value Measurements

The Company measures certain financial assets and liabilities at fair value on a recurring basis, including money market securities, trading fixed income and equity securities held in its deferred compensation plan and the liability associated with its deferred compensation plan. There were no transfers between fair value measurement levels during the three months ended March 31, 2023 and April 1, 2022. Any transfers between fair value measurement levels would be recorded on the actual date of the event or change in circumstances that caused the transfer. The fair value of these certain financial assets and liabilities was determined using the following inputs at March 31, 2023 (in thousands):

	Fair Value Measurements at Reporting Date Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Money market securities (1)	$	52,680	$	52,680	$	-	$	-
Fixed income trading securities held in deferred    compensation plan (2)		40,044		40,044		-		-
Equity trading securities held in deferred compensation    plan (2)		72,287		72,287		-		-
Total	$	165,011	$	165,011	$	-	$	-
Liabilities
Deferred compensation plan (3)		113,270		113,270		-		-
Total	$	113,270	$	113,270	$	-	$	-

(1) Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

(2) Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

(3) Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

The fair value of these certain financial assets and liabilities was determined using the following inputs at December 30, 2022 (in thousands):

	Fair Value Measurements at Reporting Date Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Money market securities (1)	$	52,159	$	52,159	$	-	$	-
Fixed income trading securities held in deferred    compensation plan (2)		32,851		32,851		-		-
Equity trading securities held in deferred compensation    plan (2)		67,880		67,880		-		-
Total	$	152,890	$	152,890	$	-	$	-
Liabilities
Deferred compensation plan (3)		101,354		101,354		-		-
Total	$	101,354	$	101,354	$	-	$	-

(1) Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

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(2) Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

(3) Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

Money market securities as of March 31, 2023 and December 30, 2022 represent obligations of the United States Treasury. Fixed income and equity trading securities represent mutual funds held in the Company’s deferred compensation plan. See Note 6 for additional information about the Company’s deferred compensation plan.

Cash and cash equivalents consisted of the following as of March 31, 2023 (in thousands):

			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated
	Cost		Gains		Losses		Fair Value
Classified as current assets:
Cash	$	72,969	$	-	$	-	$	72,969
Cash equivalents:
Money market securities		52,680		-		-		52,680
Total cash equivalents		52,680		-		-		52,680
Total cash and cash equivalents	$	125,649	$	-	$	-	$	125,649

Cash and cash equivalents consisted of the following as of December 30, 2022 (in thousands):

	Amortized		Unrealized		Unrealized		Estimated
	Cost		Gains		Losses		Fair Value
Classified as current assets:
Cash	$	109,299	$	-	$	-	$	109,299
Cash equivalents:
Money market securities		52,159		-		-		52,159
Total cash equivalents		52,159		-		-		52,159
Total cash and cash equivalents	$	161,458	$	-	$	-	$	161,458

At March 31, 2023 and December 30, 2022, the Company did not have any assets or liabilities valued using significant unobservable inputs.

The following financial instruments are not measured at fair value on the Company's unaudited condensed consolidated balance sheet at March 31, 2023 and December 30, 2022, but require disclosure of their fair values: accounts receivable, other assets and accounts payable. The estimated fair value of such instruments at March 31, 2023 and December 30, 2022 approximates their carrying value as reported on the Company’s unaudited condensed consolidated balance sheets.

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Note 4: Net Income Per Share

Basic per share amounts are computed using the weighted-average number of common shares outstanding during the period. Diluted per share amounts are calculated using the weighted-average number of common shares outstanding during the period and, when dilutive, the weighted-average number of potential common shares from the issuance of common stock to satisfy outstanding restricted stock units and the exercise of outstanding options to purchase common stock using the treasury stock method.

The following schedule reconciles the shares used to calculate basic and diluted net income per share:

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Shares used in basic per share computation		51,132		52,419
Effect of dilutive common stock options    outstanding		213		205
Effect of dilutive restricted stock units    outstanding		337		415
Shares used in diluted per share    computation		51,682		53,039

Common stock options to purchase 14,835 shares were excluded from the diluted per share calculation for the three months March 31, 2023 due to their anti-dilutive effect. There were no equity awards excluded from the diluted per share calculation for the three months ended April 1, 2022.

Note 5: Stock-Based Compensation

Restricted Stock Units

Restricted stock unit grants are designed to attract and retain employees, and to better align employee interests with those of the Company’s stockholders. For a select group of employees, up to 40% of their annual bonus is settled with fully vested restricted stock unit awards. Under these fully vested restricted stock unit awards, the holder of each award has the right to receive one share of the Company’s common stock for each fully vested restricted stock unit four years from the date of grant. Each individual who receives a fully vested restricted stock unit award is also granted a matching number of unvested restricted stock unit awards. Unvested restricted stock unit awards are also granted for select new hires and promotions. These unvested restricted stock unit awards generally cliff vest four years from the date of grant, at which time the holder of each award will have the right to receive one share of the Company’s common stock for each restricted stock unit award provided the holder of each award has met certain employment conditions. In the case of retirement at 59½ years or older, all unvested restricted stock unit awards will continue to vest, provided that the holder of each award does all consulting work through the Company and does not become an employee for a past or present client, beneficial party or competitor of the Company.

The value of these restricted stock unit awards is determined based on the market price of the Company’s common stock on the date of grant. The value of fully vested restricted stock unit awards issued is recorded as a reduction to accrued bonuses. The portion of bonus expense that the Company expects to settle with fully vested restricted stock unit awards is recorded as stock-based compensation during the period the bonus is earned. The Company recorded stock-based compensation expense associated with accrued bonus awards of $2,858,000 and $2,776,000 during the three months ended March 31, 2023 and April 1, 2022, respectively. The value of the unvested restricted stock unit awards granted is recognized on a straight-line basis over the shorter of the four-year vesting period or the period between the grant date and the date the award recipient turns 59½. If the award recipient is 59½ years or older on the date of grant, the value of the entire award is expensed upon grant. The Company recorded stock-based compensation expense associated with the unvested restricted stock unit awards of $3,981,000 and $3,895,000 during the three months ended March 31, 2023 and April 1, 2022, respectively.

Stock Options

Stock options are granted for terms of ten years and generally vest 25% per year over a four-year period from the grant date. Unvested stock option awards will continue to vest in the case of retirement at 59½ years or older,

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provided that the holder of each award does all consulting work through the Company and does not become an employee for a past or present client, beneficial party or competitor of the Company. The value of the unvested stock option awards granted is recognized on a straight-line basis over the shorter of the four-year vesting period or the period between the grant date and the date the award recipient turns 59½. If the award recipient is 59½ years or older on the date of grant, the value of the entire award is expensed upon grant. The Company recorded stock-based compensation expense associated with stock option grants of $224,000 and $199,000 during the three months ended March 31, 2023 and April 1, 2022, respectively.

The Company uses the Black-Scholes option-pricing model to determine the fair value of options granted. The determination of the fair value of stock option awards on the date of grant using an option-pricing model is affected by the Company’s stock price as well as assumptions regarding a number of complex and subjective variables. These variables include expected stock price volatility over the term of the award, actual and projected employee stock option exercise behaviors, the risk-free interest rate and expected dividends.

The Company used historical exercise, forfeiture, and post-vesting expiration data to estimate the expected term of options granted. The historical volatility of the Company’s common stock over a period of time equal to the expected term of the options granted was used to estimate expected volatility. The risk-free interest rate used in the option-pricing model was based on United States Treasury zero-coupon issues with remaining terms similar to the expected term of the options. The dividend yield assumption considers the expectation of continued declaration of dividends, offset by option holders’ dividend equivalent rights.

The Company accounts for forfeitures of stock-based awards when they occur. All stock-based payment awards are recognized on a straight-line basis over the requisite service periods of the awards.

Note 6: Deferred Compensation Plans

The Company maintains nonqualified deferred compensation plans for the benefit of a select group of highly compensated employees. Under these plans, participants may elect to defer up to 100% of their compensation. Company assets that are earmarked to pay benefits under the plans are held in a rabbi trust and are subject to the claims of the Company’s creditors. As of March 31, 2023, and December 30, 2022 the invested amounts under the plans totaled $112,331,000 and $100,731,000, respectively, and are recorded in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet. These assets are classified as trading securities and are recorded at fair value with changes recorded as adjustments to miscellaneous income (loss), net.

As of March 31, 2023, and December 30, 2022 vested amounts due under the plans totaled $113,270,000 and $101,354,000, respectively, and are recorded within accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheets. Changes in the liability are recorded as adjustments to compensation expense. During the three months ended March 31, 2023, the Company recognized additional compensation expense of $3,918,000 as a result of changes in the market value of the trust assets with the same amount being recorded as income in miscellaneous income (loss), net. During the three months ended April 1, 2022, the Company recognized a reduction to compensation expense of $(4,699,000) as a result of changes in the market value of the trust assets with the same amount being recorded as a loss in miscellaneous income (loss), net.

Note 7: Supplemental Cash Flow Information

The following is supplemental disclosure of cash flow information:

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Cash paid during period:
Income taxes	$	1,263	$	852
Non-cash investing and financing activities:
Vested stock unit awards issued to settle accrued bonuses	$	10,497	$	10,200
Accrual for capital expenditures	$	1,210	$	602
Right-of-use asset obtained in exchange for operating lease obligations	$	-	$	4,011

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Note 8: Accounts Receivable, Net

At March 31, 2023 and December 30, 2022, accounts receivable, net, was comprised of the following:

	March 31,			December 30,
(In thousands)	2023			2022
Billed accounts receivable	$	119,949		$	120,212
Unbilled accounts receivable		60,184			56,095
Allowance for contract losses and doubtful accounts		(7,069	)		(6,193	)
Total accounts receivable, net	$	173,064		$	170,114

The Company maintains allowances for estimated losses over the remaining contractual life of its receivables resulting from the inability of customers to meet their financial obligations or for disputes that affect the Company’s ability to fully collect amounts due. In circumstances where the Company is aware of a specific customer’s inability to meet its financial obligations or aware of a dispute with a specific customer, a specific allowance is recorded to reduce the net recognized receivable to the amount the Company reasonably believes will be collected. For all other customers the Company recognizes allowances for doubtful accounts based upon historical write-offs, customer concentration, customer creditworthiness, current economic conditions, aging of amounts due and future expectations.

A reconciliation of the beginning and ending amount of the allowance for contract losses and doubtful accounts is as follows (in thousands):

Balance at December 30, 2022	$	6,193
Provision for contract losses and doubtful accounts		892
Write-offs		(16	)
Balance at March 31, 2023	$	7,069

Note 9: Segment Reporting

The Company has two reportable operating segments based on two primary areas of service. The Engineering and Other Scientific segment is a broad service group providing technical consulting in different practices primarily in engineering. The Environmental and Health segment provides services in the areas of environmental, epidemiology and health risk analysis. This segment provides a wide range of consulting services relating to environmental hazards and risks and the impact on both human health and the environment. Our Chief Executive Officer, the chief operating decision maker, reviews revenues and operating income for each of our reportable segments, but does not review total assets in evaluating segment performance and capital allocation.

Segment information for the three months ended March 31, 2023 and April 1, 2022 follows:

Revenues

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	117,048	$	104,615
Environmental and Health		23,261		23,863
Total revenues	$	140,309	$	128,478

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Operating Income

	Three Months Ended
(In thousands)	March 31, 2023			April 1, 2022
Engineering and Other Scientific	$	43,619		$	38,490
Environmental and Health		7,554			7,835
Total segment operating income		51,173			46,325
Corporate operating expense		(22,053	)		(9,608	)
Total operating income	$	29,120		$	36,717

Certain operating expenses are excluded from the Company’s measure of segment operating income. These expenses include costs associated with its human resources, finance, information technology, and business development groups; the deferred compensation expense/benefit due to the change in value of assets associated with its deferred compensation plan; stock-based compensation associated with restricted stock unit and stock option awards; and the change in its allowance for contract losses and doubtful accounts.

Capital Expenditures

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	1,408	$	564
Environmental and Health		95		50
Total segment capital expenditures		1,503		614
Corporate capital expenditures		4,358		2,181
Total capital expenditures	$	5,861	$	2,795

Certain capital expenditures associated with the Company’s corporate cost centers and the related depreciation are excluded from the Company’s segment information.

Depreciation and Amortization

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	1,306	$	1,039
Environmental and Health		48		42
Total segment depreciation and amortization		1,354		1,081
Corporate depreciation and amortization		634		608
Total depreciation and amortization	$	1,988	$	1,689

One client comprised 13% of the Company’s revenues during the three months ended March 31, 2023. One client comprised 13% of the Company’s revenues during the three months ended April 1, 2022. No other single client comprised more than 10% of the Company’s revenues during the three months ended March 31, 2023 or April 1, 2022.

Note 10: Leases

The Company determines if an arrangement is a lease at the inception of the arrangement. Operating leases are included in operating lease right-of-use (“ROU”) assets, current operating lease liabilities, and long-term operating lease liabilities in the Company’s condensed consolidated balance sheet. The Company does not have any finance leases as of March 31, 2023.

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ROU assets represent the Company’s right to use an underlying asset for the lease term and lease liabilities represent the Company’s obligation to make lease payments arising from the lease. Operating lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As the Company’s leases do not provide an implicit rate, the Company uses its incremental borrowing rate, based on the information available at commencement date, in determining the present value of lease payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives. The Company’s lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Lease expense for lease payments is recognized on a straight-line basis over the lease term. The amortization of operating lease ROU assets and the change in operating lease liabilities is disclosed as a single line item in the condensed consolidated statements of cash flows.

The Company leases office, laboratory, and storage space in 13 states and the District of Columbia, as well as in China, Hong Kong, Singapore, Switzerland, and the United Kingdom. Leases for these office, laboratory, and storage facilities have terms generally ranging between one and ten years. Some of these leases include options to extend or terminate the lease, none of which are currently included in the lease term as the Company has determined that exercise of these options is not reasonably certain.

The Company has a Test and Engineering Center on 147 acres of land in Phoenix, Arizona. The Company leases this land from the state of Arizona under a 30-year lease agreement that expires in January of 2028 and has options to renew for two fifteen-year periods. As of March 31, 2023, the Company has determined that exercise of the renewal options is not reasonably certain and thus the extension is not included in the lease term.

The Company’s equipment leases are included in the ROU asset and liability balances, but are not material.

The Company leases excess space in its Silicon Valley and Natick facilities. Rental income of $756,000 and $644,000 was included in other income for the three months ended March 31, 2023 and April 1, 2022, respectively.

The components of lease expense included in other operating expenses on the condensed consolidated statements of income were as follows:

	Three Months Ended		Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Operating lease cost	$	1,787	$	1,767
Variable lease cost		370		312
Short-term lease cost		276		129

Supplemental cash flow information related to operating leases was as follows:

	Three Months Ended		Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Cash paid for amounts included in the measurement of operating    lease liabilities	$	2,364	$	2,201

Supplemental balance sheet information related to operating leases was as follows:

	March 31, 2023	April 1, 2022
Weighted Average Remaining Lease Term	3.8 years	4.3 years
Weighted Average Discount Rate	4.3%	3.9%

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Maturities of operating lease liabilities as of March 31, 2023:

(In thousands)	Operating Leases
2023 (excluding the three months ended March 31, 2023)		3,752
2024		4,712
2025		3,953
2026		3,234
2027		2,659
2028		132
Total lease payments	$	18,442
Less imputed interest		(1,993	)
Total lease liability	$	16,449

Note 11: Contingencies

The Company is a party to various legal actions from time to time and may be contingently liable in connection with claims and contracts arising in the normal course of business, the outcome of which the Company believes, after consultation with legal counsel, will not have a material adverse effect on its financial condition, results of operations or liquidity. However, due to the risks and uncertainties inherent in legal proceedings, actual results could differ from current expected results. All legal costs associated with litigation are expensed as incurred.

Note 12: Subsequent Events

On April 27, 2023, the Company’s Board of Directors announced a cash dividend of $0.26 per share of the Company’s common stock, payable June 23, 2023, to stockholders of record as of June 9, 2023.

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

The following discussion should be read in conjunction with the unaudited condensed consolidated financial statements and notes thereto included herein and with our audited consolidated financial statements and notes thereto for the fiscal year ended December 30, 2022, which are contained in our fiscal 2022 Annual Report on Form 10-K, which was filed with the U.S. Securities and Exchange Commission on February 24, 2023 (our “2021 Annual Report”).

Forward-Looking Statements

This Quarterly Report on Form 10-Q contains certain “forward-looking” statements (as such term is defined in the Private Securities Litigation Reform Act of 1995, and the rules promulgated pursuant to the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended) that are based on the beliefs of our management, as well as assumptions made by and information currently available to our management. Such forward-looking statements are subject to the safe harbor created by the Private Securities Litigation Reform Act of 1995. When used in this document, the words “intend,” “anticipate,” “believe,” “estimate,” “expect” and similar expressions, as they relate to us or our management, identify such forward-looking statements. Such statements reflect the current views of us or our management with respect to future events and are subject to certain risks, uncertainties and assumptions. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, our actual results, performance, or achievements could differ materially from those expressed in, or implied by, any such forward-looking statements. Factors that could cause or contribute to such material differences include any continuing effects of the COVID-19 pandemic, the possibility that the demand for our services may decline as a result of changes in general and industry specific economic conditions, the timing of engagements for our services, the effects of competitive services and pricing, the absence of backlog related to our business, our ability to attract and retain key employees, the effect of tort reform and government regulation on our business and liabilities resulting from claims made against us. Additional risks and uncertainties are discussed in this Quarterly Report under the heading “Risk Factors” and elsewhere in this report. The inclusion of such forward-looking information should not be regarded as a representation by the us or any other person that the future events, plans, or expectations we contemplated will be achieved. Due to such uncertainties and risks, you are warned not to place undue reliance on such forward-looking statements, which speak only as of the date hereof. We do not intend to release publicly any updates or revisions to any such forward-looking statements.

Business Overview

Exponent, Inc., is an engineering and scientific consulting firm that provides solutions to complex problems. Our multidisciplinary team of scientists, engineers and business consultants brings together more than 90 different technical disciplines to solve complicated issues facing industry and business today. Our services include analysis of product development, product recall, regulatory compliance, and the discovery of potential problems related to products, people, property and impending litigation.

CRITICAL ACCOUNTING ESTIMATES

There have been no significant changes in our critical accounting estimates during the three months ended March 31, 2023, as compared to the critical accounting estimates disclosed in Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our 2022 Annual Report.

RESULTS OF CONSOLIDATED OPERATIONS

Executive Summary

Revenues for the first quarter of 2023 increased 9% to $140,309,000 as compared to $128,478,000 during the same period last year. Revenues before reimbursements for the first quarter of 2023 increased 9% to $128,705,000 as compared to $117,870,000 during the same period last year.

During the first quarter of 2023, our results were bolstered by increased demand for our reactive services. This work included robust litigation-related activity as well as product safety- and recall-related work. Our proactive engagements were driven by work in the consumer products, chemicals, utilities, automotive and life sciences sectors.

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We continue to position ourselves for future growth by adding to our team of scientists and engineers, increasing headcount year-over-year by 12% through strong talent acquisition and improved retention.

Net income decreased 2% to $29,124,000 during the first quarter of 2023 as compared to $29,609,000 during the same period last year. Diluted earnings per share were $0.56 per share for both the first quarter of 2023 and 2022. The decrease in net income was due to a decrease in the excess tax benefit associated with stock-based awards partially offset by the increase in revenues before reimbursements. The excess tax benefit associated with stock-based awards decreased to $3,627,000 during the first quarter of 2023 as compared to $6,040,000 during the first quarter of 2022. The decrease in the excess tax benefit was due to a smaller increase in the value of our common stock between the grant date and the release date for the restricted stock units released during the first quarter of 2023 as compared to the first quarter of 2022.

We remain focused on selectively adding top talent and developing the skills necessary to expand our market position and providing clients with in-depth scientific research and analysis to determine what happened and how to prevent failures or exposures in the future. We also remain focused on capitalizing on emerging growth areas, managing other operating expenses, generating cash from operations, maintaining a strong balance sheet and undertaking activities such as share repurchases and dividends to enhance shareholder value.

Overview of the Three Months Ended March 31, 2023

During the first quarter of 2023, billable hours increased 3% to 385,000 as compared to 374,000 during the same period last year. Our utilization decreased to 70% during the first quarter of 2023 as compared to 77% during the same period last year. Technical full-time equivalent employees increased 12% to 1,052 during the first quarter of 2023 as compared to 939 during the same period last year. We continue to selectively hire key talent to expand our capabilities.

Three Months Ended March 31, 2023 compared to Three Months Ended April 1, 2022

Revenues

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022			Percent Change
Engineering and Other Scientific	$	117,048		$	104,615			11.9	%
Percentage of total revenues		83.4	%		81.4	%
Environmental and Health		23,261			23,863			-2.5	%
Percentage of total revenues		16.6	%		18.6	%
Total revenues	$	140,309		$	128,478			9.2	%

The increase in revenues for our Engineering and Other Scientific segment was due to an increase in billable hours and an increase in billing rates. During the first quarter of 2023, billable hours for this segment increased by 6% to 306,000 as compared to 290,000 during the same period last year. The increase in billable hours was driven by continued strong demand for our services from the transportation, utilities, consumer electronics, and life sciences industries. Utilization for this segment decreased to 72% during the first quarter of 2023 as compared to 78% during the same period last year. Technical full-time equivalent employees in this segment increased 14% to 819 during the first quarter of 2023 as compared to 718 for the same period last year due to our recruiting and retention efforts.

The decrease in revenues for our Environmental and Health segment was due to a decrease in billable hours partially offset by an increase in billing rates. During the first quarter of 2023, billable hours for this segment decreased by 6% to 79,000 as compared to 84,000 during the same period last year. Utilization in this segment decreased to 66% during the first quarter of 2023 as compared to 73% during the same period last year. Work in this segment was primarily driven by our safety-related engagements evaluating the impacts of chemicals on human health and the environment, as well as activity in the life sciences industry. Technical full-time equivalent employees in this segment

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increased 5% to 233 during the first quarter of 2023 as compared to 221 during the same period last year due to our recruiting and retention efforts.

Compensation and Related Expenses

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022			Percent Change
Compensation and related expenses	$	84,181		$	68,757			22.4	%
Percentage of total revenues		60.0	%		53.5	%

The increase in compensation and related expenses during the first quarter of 2023 was due to a change in the value of assets associated with our deferred compensation plan, an increase in payroll expense, an increase in fringe benefits, and an increase in bonus expense. During the first quarter of 2023, deferred compensation expense increased by $8,617,000 with a corresponding increase to other income, net, as compared to the same period last year, due to the change in value of assets associated with our deferred compensation plan. This increase consisted of an increase in the value of plan assets of $3,918,000 during the first quarter of 2023 as compared to a decrease in the value of plan assets of $4,699,000 during the same period last year. Payroll expense increased by $4,881,000 and fringe benefits increased by $478,000 during the first quarter of 2023 due to an increase in technical full-time equivalent employees. During the first quarter of 2023, bonus expense increased by $1,146,000 due to a corresponding increase in income before income taxes, before bonus expense and before stock-based compensation. We expect our compensation expense, excluding the change in value of deferred compensation plan assets, to increase as we selectively add new talent and adjust compensation to market conditions.

Other Operating Expenses

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022			Percent Change
Other operating expenses	$	9,561		$	8,165			17.1	%
Percentage of total revenues		6.8	%		6.4	%

Other operating expenses include facilities-related costs, technical materials, computer-related expenses and depreciation and amortization of property, equipment and leasehold improvements. The increase in other operating expenses during the first quarter of 2023 was primarily due to an increase in information technology related expenses of $500,000, an increase in occupancy expense of $441,000, an increase in depreciation and amortization expense of $300,000, and an increase in office expenses of $165,000. The increase in information technology expenses and depreciation and amortization was due to continued investment in our corporate infrastructure. The increases in occupancy and office expenses were due to growth in technical full-time equivalent employees and the transition back to our offices from a remote work environment. We expect other operating expenses to grow as we selectively add new talent and make investments in our corporate infrastructure.

Reimbursable Expenses

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022			Percent Change
Reimbursable expenses	$	11,604		$	10,608			9.4	%
Percentage of total revenues		8.3	%		8.3	%

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The amount of reimbursable expenses will vary from quarter to quarter depending on the nature of our projects. The increase in reimbursable expenses during the first quarter of 2023 was primarily due to an increase in project-related travel and other project-related expenses as COVID-19 pandemic-related business and travel restrictions eased.

General and Administrative Expenses

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022			Percent Change
General and administrative expenses	$	5,843		$	4,231			38.1	%
Percentage of total revenues		4.2	%		3.3	%

The increase in general and administrative expenses was primarily due to an increase in travel and meals of $754,000, an increase in marketing and business development expenses of $380,000 and an increase in recruiting expenses of $147,000. The increase in travel and meals was due to the easing of COVID-19 pandemic-related business and travel restrictions. The increases in marketing and business development expenses was due to an increase in our business development activities. The increase in recruiting expenses was due to the increase in technical full-time equivalent employees. We expect general and administrative expenses to increase as we selectively add new talent and expand our business development and staff development initiatives.

Operating Income

	Three Months Ended
(In thousands)	March 31, 2023			April 1, 2022			Percent Change
Engineering and Other Scientific	$	43,619		$	38,490			13.3	%
Environmental and Health		7,554			7,835			-3.6	%
Total segment operating income		51,173			46,325			10.5	%
Corporate operating expense		(22,053	)		(9,608	)		129.5	%
Total operating income	$	29,120		$	36,717			-20.7	%

The increase in operating income for our Engineering and Other Scientific Segment during the first quarter of 2023 as compared to the same period last year was due to an increase in revenues. The increase in revenues was due to an increase in billable hours and an increase in billing rates. Growth during the first quarter of 2023 was driven by robust litigation-related activity as well as product safety- and recall-related work. Our proactive engagements were driven by work in the consumer products, chemicals, utilities, automotive and life sciences sectors.
 

The decrease in operating income for our Environmental and Health segment during the first quarter of 2023 was due to investments in recruiting and marketing in our Health Practice. The impact of foreign exchange rates also contributed to the decrease in operating income for this segment.
 

Certain operating expenses are excluded from the Company’s measure of segment operating income. These expenses include the costs associated with our human resources, finance, information technology, and business development groups; the deferred compensation expense/benefit due to the change in value of assets associated with our deferred compensation plan; stock-based compensation associated with restricted stock unit and stock option awards; and the change in our allowance for contract losses and doubtful accounts.

The increase in corporate operating expenses during the first quarter of 2023 as compared to the same period last year was primarily due to an increase in deferred compensation expense and an increase in the costs associated with our human resources, finance, information technology and business development groups. During the first quarter of 2023, deferred compensation expense increased $8,617,000, with a corresponding increase to other income, net, as compared to the same period last year, due to the change in value of assets associated with our deferred compensation plan. This increase consisted of an increase in the value of plan assets of $3,918,000 during the first quarter of 2023 as compared to a decrease in the value of plan assets of $4,699,000 during the same period last year.

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Other Income, Net

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022			Percent Change
Other income / (loss), net	$	6,418		$	(3,910	)		264.1	%
Percentage of total revenues		4.6	%		-3.0	%

Other income, net, consists primarily of changes in the value of assets associated with our deferred compensation plan, interest income earned on available cash, cash equivalents and short-term investments, and rental income from leasing space in our Silicon Valley and Natick facilities. The increase in other income, net, was primarily due to a change in the value of assets associated with our deferred compensation plan and an increase in interest income. During the first quarter of 2023, other income, net, increased by $8,617,000 with a corresponding decrease to deferred compensation expense, as compared to the same period last year, due to a change in the value of assets associated with our deferred compensation plan. This increase consisted of an increase in the value of the plan assets of $3,918,000 during the first quarter of 2023 as compared to a decrease in the value of the plan assets of $4,699,000 during the same period last year. During the first quarter of 2023 interest income increased by $1,749,000 due to higher interest rates.

Income Taxes

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022			Percent Change
Income taxes	$	6,414		$	3,198			100.6	%
Percentage of total revenues		4.6	%		2.5	%
Effective tax rate		18.0	%		9.7	%

The excess tax benefit associated with stock-based awards was $3,627,000 during the first quarter of 2023 as compared to $6,040,000 during the same period last year. The decrease in the excess tax benefit was due to a smaller increase in the value of our common stock between the grant date and the release date for the restricted stock units released during the first quarter of 2023 as compared to the first quarter of 2022. Excluding the impact of the excess tax benefit, the effective tax rate would have been 28.3% during the first quarter of 2023 as compared to 28.2% during the same period last year.

LIQUIDITY AND CAPITAL RESOURCES

We believe our existing balances of cash, cash equivalents, short-term investments and cash generated from operations will be sufficient to satisfy our working capital needs, capital expenditures, outstanding commitments, stock repurchases, dividends and other liquidity requirements over at least the next twelve months.

	Three Months Ended
(in thousands)	March 31, 2023			April 1, 2022
Net cash used in operating activities	$	(6,703	)	$	(6,352	)
Net cash used in investing activities		(5,668	)		(2,606	)
Net cash used in financing activities		(23,740	)		(73,408	)

We financed our business during the first three months of 2023 through available cash. As of March 31, 2023, our cash and cash equivalents were $125,649,000 as compared to $161,458,000 at December 30, 2022.

Generally, our net cash provided by operating activities is used to fund our day to day operating activities. First quarter operating cash requirements are generally higher due to payment in the first quarter of our annual bonuses accrued during the prior year. Our largest source of operating cash flows is collections from our clients. Our primary uses of cash from operating activities are for employee related expenditures, leased facilities, taxes, and general operating expenses including marketing and travel.

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The increase in net cash used in investing activities during the first three months of 2023, as compared to the same period last year, was due to an increase in capital expenditures. The increase in capital expenditures was due to an increase in investment in our corporate infrastructure.

The decrease in net cash used in financing activities during the first three months of 2023, as compared to the same period last year, was due to a decrease in repurchases of our common stock and a decrease in payroll taxes for restricted stock units partially offset by an increase in dividends.

We expect to continue our investing activities, including capital expenditures. Furthermore, cash reserves may be used to repurchase shares of common stock under our stock repurchase programs, pay dividends, or strategically acquire professional service firms that are complementary to our business.

We maintain a nonqualified deferred compensation plan for the benefit of a select group of highly compensated employees. Vested amounts due under the plan of $101,330,000 were recorded as a long-term liability on our unaudited condensed consolidated balance sheet at March 31, 2023. Vested amounts due under the plan of $11,940,000 were recorded as a current liability on our unaudited condensed consolidated balance sheet at March 31, 2023. Our assets that are earmarked to pay benefits under the plan are held in a rabbi trust and are subject to the claims of our creditors. As of March 31, 2023, invested amounts under the plan of $98,981,000 were recorded as a long-term asset on our unaudited condensed consolidated balance sheet. As of March 31, 2023, invested amounts under the plan of $13,350,000 were recorded as a current asset on our unaudited condensed consolidated balance sheet.

As permitted under Delaware law, we have agreements whereby we indemnify our officers and directors for certain events or occurrences while the officer or director is, or was, serving at our request in such capacity. The indemnification period covers all pertinent events and occurrences during the officer’s or director’s lifetime. The maximum potential amount of future payments we could be required to make under these indemnification agreements is unlimited; however, we have director and officer insurance coverage that reduces our exposure and enables us to recover a portion of any future amounts paid.

Non-GAAP Financial Measures

Regulation G, Conditions for Use of Non-Generally Accepted Accounting Principles ("Non-GAAP") Financial Measures, and other U.S. Securities and Exchange Commission (“SEC”) rules and regulations define and prescribe the conditions for use of Non-GAAP financial information. Generally, a Non-GAAP financial measure is a numerical measure of a company's performance, financial position or cash flow that either excludes or includes amounts that are not normally excluded or included in the most directly comparable measure calculated and presented in accordance with GAAP. We closely monitor two financial measures, EBITDA and EBITDAS, which meet the definition of Non-GAAP financial measures. We define EBITDA as net income before income taxes, net interest income, depreciation and amortization. We define EBITDAS as EBITDA before stock-based compensation. The Company regards EBITDA and EBITDAS as useful measures of operating performance to complement operating income, net income and other GAAP financial performance measures. Additionally, management believes that EBITDA and EBITDAS provide meaningful comparisons of past, present and future operating results. These measures are used to evaluate our financial results, develop budgets and determine employee compensation. These measures, however, should be considered in addition to, and not as a substitute for or superior to, operating income, cash flows, or other measures of financial performance prepared in accordance with GAAP. A reconciliation of the Non-GAAP measures to the nearest comparable GAAP measure is set forth below.

The following table shows EBITDA (determined as shown in the reconciliation table below) as a percentage of revenues before reimbursements for the three months ended March 31, 2023 and April 1, 2022:

	Three Months Ended
(in thousands, except percentages)	March 31, 2023			April 1, 2022
Revenues before reimbursements	$	128,705		$	117,870
EBITDA	$	35,756		$	34,475
EBITDA as a % of revenues before    reimbursements		27.8	%		29.2	%

- 23 -

The decrease in EBITDA as a percentage of revenues before reimbursements during the first quarter of 2023 as compared to the same period last year was primarily due to a decrease in utilization and an increase in other operating and general and administrative expenses. Our utilization decreased to 70% during the first quarter of 2023 as compared to 77% during the same period last year. The decrease in utilization was due to a 12% increase in technical full-time equivalent employees. Other operating and general and administrative expenses increased during the first quarter of 2023 due to an increase in travel and meals associated with the easing of COVID-19 pandemic-related business and travel restrictions, an increase in technical full-time equivalent employees, investments in our corporate infrastructure, and an increase in marketing and business development activities.

The following table is a reconciliation of EBITDA and EBITDAS to the most comparable GAAP measure, net income, for the three months ended March 31, 2023:

	Three Months Ended
(in thousands)	March 31, 2023			April 1, 2022
Net income	$	29,124		$	29,609
Add back (subtract):
Income taxes		6,414			3,198
Interest income, net		(1,770	)		(21	)
Depreciation and amortization		1,988			1,689
EBITDA		35,756			34,475
Stock-based compensation		7,063			6,870
EBITDAS	$	42,819		$	41,345

- 24 -

Item 3. Quantitative and Qualitative Disclosures About Market Risk

We are exposed to interest rate risk associated with our balances of cash and cash equivalents. We manage our interest rate risk by maintaining an investment portfolio primarily consisting of debt instruments with high credit quality and relatively short average effective maturities in accordance with our investment policy. The maximum effective maturity of any issue in our portfolio is 3 years and the maximum average effective maturity of the portfolio cannot exceed 12 months. If interest rates were to instantaneously increase or decrease by 100 basis points, the change in the fair market value of our portfolio of cash equivalents would not have a material impact on our financial statements. We do not use derivative financial instruments in our portfolio. There have not been any material changes during the period covered by this Quarterly Report on Form 10-Q to our interest rate risk exposures, or how these exposures are managed. Notwithstanding our efforts to manage interest rate risk, there can be no assurances that we will be adequately protected against the risks associated with interest rate fluctuations.

We have foreign currency risk related to our revenues and expenses denominated in currencies other than the U.S. dollar, primarily the British Pound, the Euro, the Chinese Yuan, and the Hong Kong Dollar. Accordingly, changes in exchange rates may negatively affect the revenues and net income of our foreign subsidiaries as expressed in U.S. dollars.

At March 31, 2023, we had net assets of approximately $9.9 million with a functional currency of the British Pound, net assets of approximately $1.6 million with a functional currency of the Chinese Yuan, and net assets of approximately $2.2 million with a functional currency of the Hong Kong Dollar associated with our operations in the United Kingdom, China, and Hong Kong, respectively.

We also have foreign currency risk related to foreign currency transactions and monetary assets and liabilities denominated in currencies that are not the functional currency. We have experienced and will continue to experience fluctuations in our net income as a result of gains (losses) on these foreign currency transactions and the remeasurement of monetary assets and liabilities. At March 31, 2023, we had net assets denominated in the non-functional currency of approximately $4.6 million.

We do not use foreign exchange contracts to hedge any foreign currency exposures. To date, the impacts of foreign currency exchange rate changes on our consolidated revenues and consolidated net income have not been significant. However, our continued international growth increases our exposure to exchange rate fluctuations and as a result such fluctuations could have a significant impact on our future results of operations.

Item 4. Controls and Procedures

(a) Evaluation of Disclosure Controls and Procedures

As required by Rule 13a-15(b) of the Securities Exchange Act of 1934, as amended, an evaluation was performed under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and the Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) or 15d-15(e) of the Securities Exchange Act of 1934, as amended) as of the end of the period covered by this quarterly report. Based on that evaluation, the Company’s management, including the Chief Executive Officer and the Chief Financial Officer, concluded that, as of March 31, 2023, the Company’s disclosure controls and procedures were effective.

We review and evaluate the design and effectiveness of our disclosure controls and procedures on an ongoing basis, to improve our controls and procedures over time and to correct any deficiencies that we may discover in the future. Our goal is to ensure that our senior management has timely access to all material financial and non-financial information concerning our business. While we believe the present design of our disclosure controls and procedures is effective to achieve our goal, future events affecting our business may cause us to significantly modify our disclosure controls and procedures.

(b) Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting during the three-month period ended March 31, 2023 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

- 25 -

PART II - OTHER INFORMATION

Item 1. Legal Proceedings

Exponent is not engaged in any material legal proceedings.

Item 1A. Risk Factors

There have been no material changes from risk factors as previously discussed under the heading “Risk Factors” in the Company’s 2022 Annual Report.

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

The following table provides information on the Company’s repurchases of the Company’s common stock for the three months ended March 31, 2023 (in thousands, except price per share):

	Total Number of Shares Purchased		Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Programs		Approximate Dollar Value of Shares That May Yet Be Purchased Under the Programs (1)
December 31 to January 27		-	$	-		-	$	62,598
January 28 to February 24		-		-		-		62,598
February 25 to March 31		-		-		-		62,598
Total		-		-		-	$	62,598

(1)On January 31, 2019, the Company’s Board of Directors announced $75,000,000 for the repurchase of the Company’s common stock. On May 29, 2020, the Company’s Board of Directors announced an additional $45,000,000 for repurchase of the Company’s common stock. On February 22, 2022, the Company’s Board of Directors announced an additional $150,000,000 for repurchase of the Company’s common stock. These repurchase programs have no expiration dates.

Repurchases of the Company’s common stock were affected pursuant to a repurchase program authorized by the Company’s Board of Directors.

Item 3. Defaults Upon Senior Securities

Not applicable.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

Not applicable.

- 26 -

Item 6. Exhibits

(a)Exhibit Index

3.1	Amended and Restated Bylaws of the Company, as amended and restated December 15, 2022 (incorporated by reference from the Company’s Current Report on Form 8-K as filed on December 19, 2022).
31.1	Certification of Chief Executive Officer pursuant to Rule 13a – 14(a) under the Securities Exchange Act of 1934.
31.2	Certification of Chief Financial Officer pursuant to Rule 13a – 14(a) under the Securities Exchange Act of 1934.
32.1	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350.
32.2	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350.
101.INS	Inline 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.
101.SCH	Inline XBRL Taxonomy Extension Schema Document
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document
Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

- 27 -

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.

	EXPONENT, INC.
	(Registrant)
Date: May 5, 2023
	/s/ Catherine Ford Corrigan
	Catherine Ford Corrigan, Ph.D., Chief Executive Officer
	/s/ Richard L. Schlenker
	Richard L. Schlenker, Chief Financial Officer

- 28 -

EX-31

Exhibit 31.1

CERTIFICATION

I, Catherine Ford Corrigan, Ph.D., certify that:

1.I have reviewed this quarterly report on Form 10-Q of Exponent, 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 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 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 function):

(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: May 5, 2023

/s/ Catherine Ford Corrigan

Catherine Ford Corrigan, Ph.D.

Chief Executive Officer

EX-31

Exhibit 31.2

CERTIFICATION

I, Richard L. Schlenker, Jr. certify that:

1.I have reviewed this quarterly report on Form 10-Q of Exponent, 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 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 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 function):

(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: May 5, 2023

/s/ Richard L. Schlenker, Jr.

Richard L. Schlenker, Jr.

Chief Financial Officer

EX-32

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 Exponent, Inc. (the "Company") on Form 10-Q for the fiscal period ending March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Catherine Ford Corrigan, Ph.D., 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, that:

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

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

May 5, 2023

/s/ Catherine Ford Corrigan

Catherine Ford Corrigan, Ph.D.

Chief Executive Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liability of that section. Such certification will not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that the Company specifically incorporates it by reference.

EX-32

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 Exponent, Inc. (the "Company") on Form 10-Q for the fiscal period ending March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Richard L. Schlenker, Jr., Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

May 5, 2023

/s/ Richard L. Schlenker, Jr.

Richard L. Schlenker, Jr.

Chief Financial Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liability of that section. Such certification will not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that the Company specifically incorporates it by reference.

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 28, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity Registrant Name	EXPONENT, INC.
Entity Central Index Key	0000851520
Current Fiscal Year End Date	--12-29
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Trading Symbol	EXPO
Entity Common Stock, Shares Outstanding		50,835,148
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity File Number	0-18655
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0218904
Entity Address, Address Line One	149 COMMONWEALTH DRIVE
Entity Address, City or Town	MENLO PARK
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94025
City Area Code	650
Local Phone Number	326-9400
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Title of each class	Common Stock, par value $0.001 per share
Name of each exchange on which registered	NASDAQ

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 30, 2022
Current assets:
Cash and cash equivalents	$ 125,649	$ 161,458
Accounts receivable, net of allowance for contract losses and doubtful accounts of $7,069 and $6,193 at March 31, 2023 and December 30, 2022, respectively	173,064	170,114
Prepaid expenses and other current assets	19,588	17,585
Total current assets	318,301	349,157
Property, equipment and leasehold improvements, net	69,413	65,539
Operating lease right-of-use assets	16,629	18,007
Goodwill	8,607	8,607
Deferred income taxes	52,184	53,909
Deferred compensation plan assets	98,981	89,437
Other assets	2,312	2,006
Total assets	566,427	586,662
Current liabilities:
Accounts payable and accrued liabilities	26,322	29,115
Accrued payroll and employee benefits	63,390	105,822
Deferred revenues	14,567	18,834
Operating lease liabilities	4,900	5,258
Total current liabilities	109,179	159,029
Other liabilities	2,513	2,355
Deferred compensation plan liabilities	101,330	91,183
Operating lease liabilities	11,549	13,343
Total liabilities	224,571	265,910
Stockholders’ equity:
Common stock, $0.001 par value; 120,000 shares authorized; 65,707 shares issued at March 31, 2023 and December 30, 2022	66	66
Additional paid-in capital	314,502	301,002
Accumulated other comprehensive loss
Foreign currency translation adjustments	(3,127)	(3,587)
Retained earnings	542,983	528,810
Treasury stock, at cost; 14,872 and 15,064 shares held at March 31, 2023 and December 30, 2022, respectively	(512,568)	(505,539)
Total stockholders’ equity	341,856	320,752
Total liabilities and stockholders’ equity	$ 566,427	$ 586,662

XML

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 30, 2022
Statement of Financial Position [Abstract]
Accounts receivable, net of allowance for contract losses and doubtful accounts	$ 7,069	$ 6,193
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	65,707,000	65,707,000
Treasury stock, shares	14,872,000	15,064,000

XML

Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Revenues:
Revenues before reimbursements	$ 128,705	$ 117,870
Reimbursements	11,604	10,608
Revenues	140,309	128,478
Operating expenses:
Compensation and related expenses	84,181	68,757
Other operating expenses	9,561	8,165
Reimbursable expenses	11,604	10,608
General and administrative expenses	5,843	4,231
Total operating expenses	111,189	91,761
Operating income	29,120	36,717
Other income, net:
Interest income, net	1,770	21
Miscellaneous income (loss), net	4,648	(3,931)
Total other income (loss), net	6,418	(3,910)
Income before income taxes	35,538	32,807
Income taxes	6,414	3,198
Net income	$ 29,124	$ 29,609
Net income per share:
Basic (in dollars per share)	$ 0.57	$ 0.56
Diluted (in dollars per share)	$ 0.56	$ 0.56
Shares used in per share computations:
Basic (in shares)	51,132	52,419
Diluted (in shares)	51,682	53,039
Cash dividends declared per common share (in dollars per share)	$ 0.26	$ 0.24

XML

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 29,124	$ 29,609
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	460	(310)
Comprehensive income	$ 29,584	$ 29,299

XML

Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income Loss [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2021	$ 417,065	$ 66	$ 281,419	$ (1,983)	$ 478,370	$ (340,807)
Balances (in shares) at Dec. 31, 2021		65,707,000				13,591,000
Employee stock purchase plan	564		511			$ 53
Employee stock purchase plan (in shares)						(6,000)
Amortization of unrecognized stock-based compensation	4,094		4,094
Purchase of treasury stock	(48,554)					$ (48,554)
Purchase of treasury stock (in shares)						553,000
Foreign currency translation adjustments	(310)			(310)
Grant of restricted stock units to settle accrued bonus	10,200		10,200
Settlement of restricted stock units	(12,904)		(2,335)		(1,392)	$ (9,177)
Settlement of restricted stock units (in shares)						(253,000)
Dividends and dividend equivalent rights	(13,200)				(13,200)
Net income	29,609				29,609
Balance at Apr. 01, 2022	386,564	$ 66	293,889	(2,293)	493,387	$ (398,485)
Balances (in shares) at Apr. 01, 2022		65,707,000				13,885,000
Balance at Dec. 30, 2022	320,752	$ 66	301,002	(3,587)	528,810	$ (505,539)
Balances (in shares) at Dec. 30, 2022		65,707,000				15,064,000
Employee stock purchase plan	580		517			$ 63
Employee stock purchase plan (in shares)						(6,000)
Amortization of unrecognized stock-based compensation	4,205		4,205
Foreign currency translation adjustments	460			460
Grant of restricted stock units to settle accrued bonus	10,497		10,497
Settlement of restricted stock units	(9,920)		(1,741)		(1,009)	$ (7,170)
Settlement of restricted stock units (in shares)						(178,000)
Exercise of stock options	100		22			$ 78
Exercise of stock options (in shares)						(8,000)
Dividends and dividend equivalent rights	(13,942)				(13,942)
Net income	29,124				29,124
Balance at Mar. 31, 2023	$ 341,856	$ 66	$ 314,502	$ (3,127)	$ 542,983	$ (512,568)
Balances (in shares) at Mar. 31, 2023		65,707,000				14,872,000

XML

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Cash flows from operating activities:
Net income	$ 29,124	$ 29,609
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization of property, equipment and leasehold improvements	1,988	1,689
Provision for contract losses and doubtful accounts	892	686
Stock-based compensation	7,063	6,870
Deferred income tax provision	1,725	45
Changes in operating assets and liabilities:
Accounts receivable	(3,842)	(8,333)
Prepaid expenses and other current assets	(7,777)	(9,948)
Change in operating leases	(774)	(535)
Accounts payable and accrued liabilities	(2,271)	5,234
Accrued payroll and employee benefits	(28,564)	(27,576)
Deferred revenues	(4,267)	(4,093)
Net cash used in operating activities	(6,703)	(6,352)
Cash flows from investing activities:
Capital expenditures	(5,668)	(2,606)
Net cash used in investing activities	(5,668)	(2,606)
Cash flows from financing activities:
Payroll taxes for restricted stock units	(9,920)	(12,904)
Repurchase of common stock		(48,554)
Exercise of stock-based payment awards	680	564
Dividends and dividend equivalents rights	(14,500)	(12,514)
Net cash used in financing activities	(23,740)	(73,408)
Effect of foreign currency exchange rates on cash and cash equivalents	302	(271)
Net decrease in cash and cash equivalents	(35,809)	(82,637)
Cash and cash equivalents at beginning of period	161,458	297,687
Cash and cash equivalents at end of period	$ 125,649	$ 215,050

XML

Basis of Presentation

3 Months Ended

Mar. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Note 1: Basis of Presentation

Exponent, Inc. (referred to as the “Company” or “Exponent”) is an engineering and scientific consulting firm that provides solutions to complex problems. The Company operates on a 52-53 week fiscal year ending on the Friday closest to the last day of December.

The accompanying unaudited condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information, the instructions to Form 10-Q and Article 10 of Regulation S-X promulgated by the U.S. Securities and Exchange Commission. Accordingly, they do not contain all the information and notes required by accounting principles generally accepted in the United States of America for complete financial statements. In the opinion of management, all adjustments which are necessary for the fair presentation of the condensed consolidated financial statements have been included and all such adjustments are of a normal and recurring nature. The operating results for the three months ended March 31, 2023 are not necessarily representative of the results of future quarterly or annual periods. The following information should be read in conjunction with the audited consolidated financial statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 30, 2022, which was filed with the U.S. Securities and Exchange Commission on February 24, 2023.

The unaudited condensed consolidated financial statements include the accounts of Exponent, Inc. and its subsidiaries, which are all wholly owned. All intercompany accounts and transactions have been eliminated in consolidation.

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the period. Items subject to such estimates and assumptions include accounting for revenue recognition and estimating the allowance for contract losses and doubtful accounts. Actual results could differ from those estimates.

XML

Revenue Recognition

3 Months Ended

Mar. 31, 2023

Revenue Recognition [Abstract]

Revenue Recognition

Note 2: Revenue Recognition

Substantially all of the Company’s engagements are performed under time and materials or fixed-price arrangements. For time and materials contracts, the Company utilizes the practical expedient under Accounting Standards Codification 606 – Revenue from Contracts with Customers, which states that if an entity has a right to consideration from a customer in an amount that corresponds directly with the value of the entity’s performance completed to date (for example, a service contract in which an entity bills a fixed amount for each hour of service provided) then the entity may recognize revenue in the amount to which the entity has a right to invoice.

The following table discloses the percentage of the Company’s revenue generated from time and materials contracts:

	Three Months Ended
	March 31, 2023			April 1, 2022
Engineering & other scientific		64	%		62	%
Environmental and health		16	%		17	%
Total time and materials revenues		80	%		79	%

For fixed-price contracts, the Company recognizes revenue over time because of the continuous transfer of control to the customer. The customer typically controls the work in process as evidenced either by contractual termination clauses or by the Company’s rights to payment for work performed to date to deliver services that do not have an alternative use to the Company. Revenue for fixed-price contracts is recognized based on the relationship of incurred labor hours at standard rates to the Company’s estimate of the total labor hours at standard rates it expects to incur over the term of the contract. The Company believes this methodology achieves a reliable measure of the revenue from the consulting services it provides to its customers under fixed-price contracts given the nature of the consulting services the Company provides.

The following table discloses the percentage of the Company’s revenue generated from fixed price contracts:

	Three Months Ended
	March 31, 2023			April 1, 2022
Engineering & other scientific		19	%		20	%
Environmental and health		1	%		1	%
Total fixed price revenues		20	%		21	%

Deferred revenues represent amounts billed to clients in advance of services provided. During the first quarter of 2023, $8,566,000 of revenues were recognized that were included in the deferred revenue balance at December 30, 2022. During the first quarter of 2022, $9,644,000 of revenues were recognized that were included in the deferred revenue balance at December 31, 2021.

Reimbursements, including those related to travel and other out-of-pocket expenses, and other similar third- party costs such as the cost of materials and certain subcontracts, are included in revenues, and an equivalent amount of reimbursable expenses are included in operating expenses. Any mark-up on reimbursable expenses is included in revenues before reimbursements. The Company reports revenues net of subcontractor fees for certain subcontracts where the Company has determined that it is acting as an agent because its performance obligation is to arrange for the provision of goods or services by another party. The total amount of subcontractor fees not included in revenues because the Company was acting as an agent were $5,751,000 and $3,660,000 during the first quarter of 2023 and 2022, respectively.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 3: Fair Value Measurements

The Company measures certain financial assets and liabilities at fair value on a recurring basis, including money market securities, trading fixed income and equity securities held in its deferred compensation plan and the liability associated with its deferred compensation plan. There were no transfers between fair value measurement levels during the three months ended March 31, 2023 and April 1, 2022. Any transfers between fair value measurement levels would be recorded on the actual date of the event or change in circumstances that caused the transfer. The fair value of these certain financial assets and liabilities was determined using the following inputs at March 31, 2023 (in thousands):

	Fair Value Measurements at Reporting Date Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Money market securities (1)	$	52,680	$	52,680	$	-	$	-
Fixed income trading securities held in deferred    compensation plan (2)		40,044		40,044		-		-
Equity trading securities held in deferred compensation    plan (2)		72,287		72,287		-		-
Total	$	165,011	$	165,011	$	-	$	-
Liabilities
Deferred compensation plan (3)		113,270		113,270		-		-
Total	$	113,270	$	113,270	$	-	$	-

(1) Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

(2) Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

(3) Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

The fair value of these certain financial assets and liabilities was determined using the following inputs at December 30, 2022 (in thousands):

	Fair Value Measurements at Reporting Date Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Money market securities (1)	$	52,159	$	52,159	$	-	$	-
Fixed income trading securities held in deferred    compensation plan (2)		32,851		32,851		-		-
Equity trading securities held in deferred compensation    plan (2)		67,880		67,880		-		-
Total	$	152,890	$	152,890	$	-	$	-
Liabilities
Deferred compensation plan (3)		101,354		101,354		-		-
Total	$	101,354	$	101,354	$	-	$	-

(1) Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

(2) Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

(3) Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

Money market securities as of March 31, 2023 and December 30, 2022 represent obligations of the United States Treasury. Fixed income and equity trading securities represent mutual funds held in the Company’s deferred compensation plan. See Note 6 for additional information about the Company’s deferred compensation plan.

Cash and cash equivalents consisted of the following as of March 31, 2023 (in thousands):

			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated
	Cost		Gains		Losses		Fair Value
Classified as current assets:
Cash	$	72,969	$	-	$	-	$	72,969
Cash equivalents:
Money market securities		52,680		-		-		52,680
Total cash equivalents		52,680		-		-		52,680
Total cash and cash equivalents	$	125,649	$	-	$	-	$	125,649

Cash and cash equivalents consisted of the following as of December 30, 2022 (in thousands):

	Amortized		Unrealized		Unrealized		Estimated
	Cost		Gains		Losses		Fair Value
Classified as current assets:
Cash	$	109,299	$	-	$	-	$	109,299
Cash equivalents:
Money market securities		52,159		-		-		52,159
Total cash equivalents		52,159		-		-		52,159
Total cash and cash equivalents	$	161,458	$	-	$	-	$	161,458

At March 31, 2023 and December 30, 2022, the Company did not have any assets or liabilities valued using significant unobservable inputs.

The following financial instruments are not measured at fair value on the Company's unaudited condensed consolidated balance sheet at March 31, 2023 and December 30, 2022, but require disclosure of their fair values: accounts receivable, other assets and accounts payable. The estimated fair value of such instruments at March 31, 2023 and December 30, 2022 approximates their carrying value as reported on the Company’s unaudited condensed consolidated balance sheets.

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Net Income Per Share

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Net Income Per Share

Note 4: Net Income Per Share

Basic per share amounts are computed using the weighted-average number of common shares outstanding during the period. Diluted per share amounts are calculated using the weighted-average number of common shares outstanding during the period and, when dilutive, the weighted-average number of potential common shares from the issuance of common stock to satisfy outstanding restricted stock units and the exercise of outstanding options to purchase common stock using the treasury stock method.

The following schedule reconciles the shares used to calculate basic and diluted net income per share:

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Shares used in basic per share computation		51,132		52,419
Effect of dilutive common stock options    outstanding		213		205
Effect of dilutive restricted stock units    outstanding		337		415
Shares used in diluted per share    computation		51,682		53,039

Common stock options to purchase 14,835 shares were excluded from the diluted per share calculation for the three months March 31, 2023 due to their anti-dilutive effect. There were no equity awards excluded from the diluted per share calculation for the three months ended April 1, 2022.

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

Note 5: Stock-Based Compensation

Restricted Stock Units

Restricted stock unit grants are designed to attract and retain employees, and to better align employee interests with those of the Company’s stockholders. For a select group of employees, up to 40% of their annual bonus is settled with fully vested restricted stock unit awards. Under these fully vested restricted stock unit awards, the holder of each award has the right to receive one share of the Company’s common stock for each fully vested restricted stock unit four years from the date of grant. Each individual who receives a fully vested restricted stock unit award is also granted a matching number of unvested restricted stock unit awards. Unvested restricted stock unit awards are also granted for select new hires and promotions. These unvested restricted stock unit awards generally cliff vest four years from the date of grant, at which time the holder of each award will have the right to receive one share of the Company’s common stock for each restricted stock unit award provided the holder of each award has met certain employment conditions. In the case of retirement at 59½ years or older, all unvested restricted stock unit awards will continue to vest, provided that the holder of each award does all consulting work through the Company and does not become an employee for a past or present client, beneficial party or competitor of the Company.

The value of these restricted stock unit awards is determined based on the market price of the Company’s common stock on the date of grant. The value of fully vested restricted stock unit awards issued is recorded as a reduction to accrued bonuses. The portion of bonus expense that the Company expects to settle with fully vested restricted stock unit awards is recorded as stock-based compensation during the period the bonus is earned. The Company recorded stock-based compensation expense associated with accrued bonus awards of $2,858,000 and $2,776,000 during the three months ended March 31, 2023 and April 1, 2022, respectively. The value of the unvested restricted stock unit awards granted is recognized on a straight-line basis over the shorter of the four-year vesting period or the period between the grant date and the date the award recipient turns 59½. If the award recipient is 59½ years or older on the date of grant, the value of the entire award is expensed upon grant. The Company recorded stock-based compensation expense associated with the unvested restricted stock unit awards of $3,981,000 and $3,895,000 during the three months ended March 31, 2023 and April 1, 2022, respectively.

Stock Options

Stock options are granted for terms of ten years and generally vest 25% per year over a four-year period from the grant date. Unvested stock option awards will continue to vest in the case of retirement at 59½ years or older,

provided that the holder of each award does all consulting work through the Company and does not become an employee for a past or present client, beneficial party or competitor of the Company. The value of the unvested stock option awards granted is recognized on a straight-line basis over the shorter of the four-year vesting period or the period between the grant date and the date the award recipient turns 59½. If the award recipient is 59½ years or older on the date of grant, the value of the entire award is expensed upon grant. The Company recorded stock-based compensation expense associated with stock option grants of $224,000 and $199,000 during the three months ended March 31, 2023 and April 1, 2022, respectively.

The Company uses the Black-Scholes option-pricing model to determine the fair value of options granted. The determination of the fair value of stock option awards on the date of grant using an option-pricing model is affected by the Company’s stock price as well as assumptions regarding a number of complex and subjective variables. These variables include expected stock price volatility over the term of the award, actual and projected employee stock option exercise behaviors, the risk-free interest rate and expected dividends.

The Company used historical exercise, forfeiture, and post-vesting expiration data to estimate the expected term of options granted. The historical volatility of the Company’s common stock over a period of time equal to the expected term of the options granted was used to estimate expected volatility. The risk-free interest rate used in the option-pricing model was based on United States Treasury zero-coupon issues with remaining terms similar to the expected term of the options. The dividend yield assumption considers the expectation of continued declaration of dividends, offset by option holders’ dividend equivalent rights.

The Company accounts for forfeitures of stock-based awards when they occur. All stock-based payment awards are recognized on a straight-line basis over the requisite service periods of the awards.

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Deferred Compensation Plans

3 Months Ended

Mar. 31, 2023

Deferred Compensation Arrangements [Abstract]

Deferred Compensation Plans

Note 6: Deferred Compensation Plans

The Company maintains nonqualified deferred compensation plans for the benefit of a select group of highly compensated employees. Under these plans, participants may elect to defer up to 100% of their compensation. Company assets that are earmarked to pay benefits under the plans are held in a rabbi trust and are subject to the claims of the Company’s creditors. As of March 31, 2023, and December 30, 2022 the invested amounts under the plans totaled $112,331,000 and $100,731,000, respectively, and are recorded in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet. These assets are classified as trading securities and are recorded at fair value with changes recorded as adjustments to miscellaneous income (loss), net.

As of March 31, 2023, and December 30, 2022 vested amounts due under the plans totaled $113,270,000 and $101,354,000, respectively, and are recorded within accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheets. Changes in the liability are recorded as adjustments to compensation expense. During the three months ended March 31, 2023, the Company recognized additional compensation expense of $3,918,000 as a result of changes in the market value of the trust assets with the same amount being recorded as income in miscellaneous income (loss), net. During the three months ended April 1, 2022, the Company recognized a reduction to compensation expense of $(4,699,000) as a result of changes in the market value of the trust assets with the same amount being recorded as a loss in miscellaneous income (loss), net.

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Supplemental Cash Flow Information

3 Months Ended

Mar. 31, 2023

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Note 7: Supplemental Cash Flow Information

The following is supplemental disclosure of cash flow information:

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Cash paid during period:
Income taxes	$	1,263	$	852
Non-cash investing and financing activities:
Vested stock unit awards issued to settle accrued bonuses	$	10,497	$	10,200
Accrual for capital expenditures	$	1,210	$	602
Right-of-use asset obtained in exchange for operating lease obligations	$	-	$	4,011

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Accounts Receivable, Net

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

Accounts Receivable, Net

Note 8: Accounts Receivable, Net

At March 31, 2023 and December 30, 2022, accounts receivable, net, was comprised of the following:

	March 31,			December 30,
(In thousands)	2023			2022
Billed accounts receivable	$	119,949		$	120,212
Unbilled accounts receivable		60,184			56,095
Allowance for contract losses and doubtful accounts		(7,069	)		(6,193	)
Total accounts receivable, net	$	173,064		$	170,114

The Company maintains allowances for estimated losses over the remaining contractual life of its receivables resulting from the inability of customers to meet their financial obligations or for disputes that affect the Company’s ability to fully collect amounts due. In circumstances where the Company is aware of a specific customer’s inability to meet its financial obligations or aware of a dispute with a specific customer, a specific allowance is recorded to reduce the net recognized receivable to the amount the Company reasonably believes will be collected. For all other customers the Company recognizes allowances for doubtful accounts based upon historical write-offs, customer concentration, customer creditworthiness, current economic conditions, aging of amounts due and future expectations.

A reconciliation of the beginning and ending amount of the allowance for contract losses and doubtful accounts is as follows (in thousands):

Balance at December 30, 2022	$	6,193
Provision for contract losses and doubtful accounts		892
Write-offs		(16	)
Balance at March 31, 2023	$	7,069

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Segment Reporting

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Segment Reporting

Note 9: Segment Reporting

The Company has two reportable operating segments based on two primary areas of service. The Engineering and Other Scientific segment is a broad service group providing technical consulting in different practices primarily in engineering. The Environmental and Health segment provides services in the areas of environmental, epidemiology and health risk analysis. This segment provides a wide range of consulting services relating to environmental hazards and risks and the impact on both human health and the environment. Our Chief Executive Officer, the chief operating decision maker, reviews revenues and operating income for each of our reportable segments, but does not review total assets in evaluating segment performance and capital allocation.

Segment information for the three months ended March 31, 2023 and April 1, 2022 follows:

Revenues

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	117,048	$	104,615
Environmental and Health		23,261		23,863
Total revenues	$	140,309	$	128,478

Operating Income

	Three Months Ended
(In thousands)	March 31, 2023			April 1, 2022
Engineering and Other Scientific	$	43,619		$	38,490
Environmental and Health		7,554			7,835
Total segment operating income		51,173			46,325
Corporate operating expense		(22,053	)		(9,608	)
Total operating income	$	29,120		$	36,717

Certain operating expenses are excluded from the Company’s measure of segment operating income. These expenses include costs associated with its human resources, finance, information technology, and business development groups; the deferred compensation expense/benefit due to the change in value of assets associated with its deferred compensation plan; stock-based compensation associated with restricted stock unit and stock option awards; and the change in its allowance for contract losses and doubtful accounts.

Capital Expenditures

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	1,408	$	564
Environmental and Health		95		50
Total segment capital expenditures		1,503		614
Corporate capital expenditures		4,358		2,181
Total capital expenditures	$	5,861	$	2,795

Certain capital expenditures associated with the Company’s corporate cost centers and the related depreciation are excluded from the Company’s segment information.

Depreciation and Amortization

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	1,306	$	1,039
Environmental and Health		48		42
Total segment depreciation and amortization		1,354		1,081
Corporate depreciation and amortization		634		608
Total depreciation and amortization	$	1,988	$	1,689

One client comprised 13% of the Company’s revenues during the three months ended March 31, 2023. One client comprised 13% of the Company’s revenues during the three months ended April 1, 2022. No other single client comprised more than 10% of the Company’s revenues during the three months ended March 31, 2023 or April 1, 2022.

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Leases

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Leases

Note 10: Leases

The Company determines if an arrangement is a lease at the inception of the arrangement. Operating leases are included in operating lease right-of-use (“ROU”) assets, current operating lease liabilities, and long-term operating lease liabilities in the Company’s condensed consolidated balance sheet. The Company does not have any finance leases as of March 31, 2023.

ROU assets represent the Company’s right to use an underlying asset for the lease term and lease liabilities represent the Company’s obligation to make lease payments arising from the lease. Operating lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As the Company’s leases do not provide an implicit rate, the Company uses its incremental borrowing rate, based on the information available at commencement date, in determining the present value of lease payments. The operating lease ROU asset also includes any lease payments made and excludes lease incentives. The Company’s lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise that option. Lease expense for lease payments is recognized on a straight-line basis over the lease term. The amortization of operating lease ROU assets and the change in operating lease liabilities is disclosed as a single line item in the condensed consolidated statements of cash flows.

The Company leases office, laboratory, and storage space in 13 states and the District of Columbia, as well as in China, Hong Kong, Singapore, Switzerland, and the United Kingdom. Leases for these office, laboratory, and storage facilities have terms generally ranging between one and ten years. Some of these leases include options to extend or terminate the lease, none of which are currently included in the lease term as the Company has determined that exercise of these options is not reasonably certain.

The Company has a Test and Engineering Center on 147 acres of land in Phoenix, Arizona. The Company leases this land from the state of Arizona under a 30-year lease agreement that expires in January of 2028 and has options to renew for two fifteen-year periods. As of March 31, 2023, the Company has determined that exercise of the renewal options is not reasonably certain and thus the extension is not included in the lease term.

The Company’s equipment leases are included in the ROU asset and liability balances, but are not material.

The Company leases excess space in its Silicon Valley and Natick facilities. Rental income of $756,000 and $644,000 was included in other income for the three months ended March 31, 2023 and April 1, 2022, respectively.

The components of lease expense included in other operating expenses on the condensed consolidated statements of income were as follows:

	Three Months Ended		Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Operating lease cost	$	1,787	$	1,767
Variable lease cost		370		312
Short-term lease cost		276		129

Supplemental cash flow information related to operating leases was as follows:

	Three Months Ended		Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Cash paid for amounts included in the measurement of operating    lease liabilities	$	2,364	$	2,201

Supplemental balance sheet information related to operating leases was as follows:

	March 31, 2023	April 1, 2022
Weighted Average Remaining Lease Term	3.8 years	4.3 years
Weighted Average Discount Rate	4.3%	3.9%

Maturities of operating lease liabilities as of March 31, 2023:

(In thousands)	Operating Leases
2023 (excluding the three months ended March 31, 2023)		3,752
2024		4,712
2025		3,953
2026		3,234
2027		2,659
2028		132
Total lease payments	$	18,442
Less imputed interest		(1,993	)
Total lease liability	$	16,449

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Contingencies

3 Months Ended

Mar. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Note 11: Contingencies

The Company is a party to various legal actions from time to time and may be contingently liable in connection with claims and contracts arising in the normal course of business, the outcome of which the Company believes, after consultation with legal counsel, will not have a material adverse effect on its financial condition, results of operations or liquidity. However, due to the risks and uncertainties inherent in legal proceedings, actual results could differ from current expected results. All legal costs associated with litigation are expensed as incurred.

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Subsequent Events

3 Months Ended

Mar. 31, 2023

Subsequent Events [Abstract]

Subsequent Events

Note 12: Subsequent Events

On April 27, 2023, the Company’s Board of Directors announced a cash dividend of $0.26 per share of the Company’s common stock, payable June 23, 2023, to stockholders of record as of June 9, 2023.

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Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

Exponent, Inc. (referred to as the “Company” or “Exponent”) is an engineering and scientific consulting firm that provides solutions to complex problems. The Company operates on a 52-53 week fiscal year ending on the Friday closest to the last day of December.

The accompanying unaudited condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information, the instructions to Form 10-Q and Article 10 of Regulation S-X promulgated by the U.S. Securities and Exchange Commission. Accordingly, they do not contain all the information and notes required by accounting principles generally accepted in the United States of America for complete financial statements. In the opinion of management, all adjustments which are necessary for the fair presentation of the condensed consolidated financial statements have been included and all such adjustments are of a normal and recurring nature. The operating results for the three months ended March 31, 2023 are not necessarily representative of the results of future quarterly or annual periods. The following information should be read in conjunction with the audited consolidated financial statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 30, 2022, which was filed with the U.S. Securities and Exchange Commission on February 24, 2023.

The unaudited condensed consolidated financial statements include the accounts of Exponent, Inc. and its subsidiaries, which are all wholly owned. All intercompany accounts and transactions have been eliminated in consolidation.

Use of Estimates

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the period. Items subject to such estimates and assumptions include accounting for revenue recognition and estimating the allowance for contract losses and doubtful accounts. Actual results could differ from those estimates.

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Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2023

Revenue Recognition [Abstract]

Summary of Percent of Revenues

The following table discloses the percentage of the Company’s revenue generated from time and materials contracts:

	Three Months Ended
	March 31, 2023			April 1, 2022
Engineering & other scientific		64	%		62	%
Environmental and health		16	%		17	%
Total time and materials revenues		80	%		79	%

The following table discloses the percentage of the Company’s revenue generated from fixed price contracts:

	Three Months Ended
	March 31, 2023			April 1, 2022
Engineering & other scientific		19	%		20	%
Environmental and health		1	%		1	%
Total fixed price revenues		20	%		21	%

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The fair value of these certain financial assets and liabilities was determined using the following inputs at March 31, 2023 (in thousands):

	Fair Value Measurements at Reporting Date Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Money market securities (1)	$	52,680	$	52,680	$	-	$	-
Fixed income trading securities held in deferred    compensation plan (2)		40,044		40,044		-		-
Equity trading securities held in deferred compensation    plan (2)		72,287		72,287		-		-
Total	$	165,011	$	165,011	$	-	$	-
Liabilities
Deferred compensation plan (3)		113,270		113,270		-		-
Total	$	113,270	$	113,270	$	-	$	-

(1) Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

(2) Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

(3) Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

The fair value of these certain financial assets and liabilities was determined using the following inputs at December 30, 2022 (in thousands):

	Fair Value Measurements at Reporting Date Using
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Money market securities (1)	$	52,159	$	52,159	$	-	$	-
Fixed income trading securities held in deferred    compensation plan (2)		32,851		32,851		-		-
Equity trading securities held in deferred compensation    plan (2)		67,880		67,880		-		-
Total	$	152,890	$	152,890	$	-	$	-
Liabilities
Deferred compensation plan (3)		101,354		101,354		-		-
Total	$	101,354	$	101,354	$	-	$	-

(1) Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

(2) Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

(3) Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

Cash and Cash Equivalents

Cash and cash equivalents consisted of the following as of March 31, 2023 (in thousands):

			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated
	Cost		Gains		Losses		Fair Value
Classified as current assets:
Cash	$	72,969	$	-	$	-	$	72,969
Cash equivalents:
Money market securities		52,680		-		-		52,680
Total cash equivalents		52,680		-		-		52,680
Total cash and cash equivalents	$	125,649	$	-	$	-	$	125,649

Cash and cash equivalents consisted of the following as of December 30, 2022 (in thousands):

	Amortized		Unrealized		Unrealized		Estimated
	Cost		Gains		Losses		Fair Value
Classified as current assets:
Cash	$	109,299	$	-	$	-	$	109,299
Cash equivalents:
Money market securities		52,159		-		-		52,159
Total cash equivalents		52,159		-		-		52,159
Total cash and cash equivalents	$	161,458	$	-	$	-	$	161,458

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Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Reconciles Shares to Calculate Basic and Diluted Net Income Per Share

The following schedule reconciles the shares used to calculate basic and diluted net income per share:

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Shares used in basic per share computation		51,132		52,419
Effect of dilutive common stock options    outstanding		213		205
Effect of dilutive restricted stock units    outstanding		337		415
Shares used in diluted per share    computation		51,682		53,039

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Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2023

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosure of Cash Flow Information

The following is supplemental disclosure of cash flow information:

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Cash paid during period:
Income taxes	$	1,263	$	852
Non-cash investing and financing activities:
Vested stock unit awards issued to settle accrued bonuses	$	10,497	$	10,200
Accrual for capital expenditures	$	1,210	$	602
Right-of-use asset obtained in exchange for operating lease obligations	$	-	$	4,011

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Accounts Receivable, Net (Tables)

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

Accounts Receivable, Net

At March 31, 2023 and December 30, 2022, accounts receivable, net, was comprised of the following:

	March 31,			December 30,
(In thousands)	2023			2022
Billed accounts receivable	$	119,949		$	120,212
Unbilled accounts receivable		60,184			56,095
Allowance for contract losses and doubtful accounts		(7,069	)		(6,193	)
Total accounts receivable, net	$	173,064		$	170,114

Reconciliation of Beginning and Ending Amount of Allowance for Contract Losses and Doubtful Accounts

A reconciliation of the beginning and ending amount of the allowance for contract losses and doubtful accounts is as follows (in thousands):

Balance at December 30, 2022	$	6,193
Provision for contract losses and doubtful accounts		892
Write-offs		(16	)
Balance at March 31, 2023	$	7,069

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Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Segment Reporting Information, by Segment

Segment information for the three months ended March 31, 2023 and April 1, 2022 follows:

Revenues

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	117,048	$	104,615
Environmental and Health		23,261		23,863
Total revenues	$	140,309	$	128,478

Operating Income

	Three Months Ended
(In thousands)	March 31, 2023			April 1, 2022
Engineering and Other Scientific	$	43,619		$	38,490
Environmental and Health		7,554			7,835
Total segment operating income		51,173			46,325
Corporate operating expense		(22,053	)		(9,608	)
Total operating income	$	29,120		$	36,717

Certain operating expenses are excluded from the Company’s measure of segment operating income. These expenses include costs associated with its human resources, finance, information technology, and business development groups; the deferred compensation expense/benefit due to the change in value of assets associated with its deferred compensation plan; stock-based compensation associated with restricted stock unit and stock option awards; and the change in its allowance for contract losses and doubtful accounts.

Capital Expenditures

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	1,408	$	564
Environmental and Health		95		50
Total segment capital expenditures		1,503		614
Corporate capital expenditures		4,358		2,181
Total capital expenditures	$	5,861	$	2,795

Certain capital expenditures associated with the Company’s corporate cost centers and the related depreciation are excluded from the Company’s segment information.

Depreciation and Amortization

	Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Engineering and Other Scientific	$	1,306	$	1,039
Environmental and Health		48		42
Total segment depreciation and amortization		1,354		1,081
Corporate depreciation and amortization		634		608
Total depreciation and amortization	$	1,988	$	1,689

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Leases (Tables)

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Lease, Cost

The components of lease expense included in other operating expenses on the condensed consolidated statements of income were as follows:

	Three Months Ended		Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Operating lease cost	$	1,787	$	1,767
Variable lease cost		370		312
Short-term lease cost		276		129

Supplemental Cash Flow Information Related to Operating Lease

Supplemental cash flow information related to operating leases was as follows:

	Three Months Ended		Three Months Ended
(In thousands)	March 31, 2023		April 1, 2022
Cash paid for amounts included in the measurement of operating    lease liabilities	$	2,364	$	2,201

Supplemental Balance Sheet Information Related to Operating Lease

Supplemental balance sheet information related to operating leases was as follows:

	March 31, 2023	April 1, 2022
Weighted Average Remaining Lease Term	3.8 years	4.3 years
Weighted Average Discount Rate	4.3%	3.9%

Maturities of Lease Liabilities

Maturities of operating lease liabilities as of March 31, 2023:

(In thousands)	Operating Leases
2023 (excluding the three months ended March 31, 2023)		3,752
2024		4,712
2025		3,953
2026		3,234
2027		2,659
2028		132
Total lease payments	$	18,442
Less imputed interest		(1,993	)
Total lease liability	$	16,449

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Revenue Recognition - Summary of Revenues (Detail) - Sales Revenue, Net [Member] - Revenue from Rights Concentration Risk [Member]	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Time And Materials Contracts [Member]
Disaggregation Of Revenue [Line Items]
Concentration Risk, Percentage	80.00%	79.00%
Time And Materials Contracts [Member] | Engineering and Other Scientific [Member]
Disaggregation Of Revenue [Line Items]
Concentration Risk, Percentage	64.00%	62.00%
Time And Materials Contracts [Member] | Environmental and Health [Member]
Disaggregation Of Revenue [Line Items]
Concentration Risk, Percentage	16.00%	17.00%
Fixed Price Contracts [Member]
Disaggregation Of Revenue [Line Items]
Concentration Risk, Percentage	20.00%	21.00%
Fixed Price Contracts [Member] | Engineering and Other Scientific [Member]
Disaggregation Of Revenue [Line Items]
Concentration Risk, Percentage	19.00%	20.00%
Fixed Price Contracts [Member] | Environmental and Health [Member]
Disaggregation Of Revenue [Line Items]
Concentration Risk, Percentage	1.00%	1.00%

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Revenue Recognition - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Revenue Recognition [Abstract]
Deferred Revenue, Revenue Recognized	$ 8,566,000	$ 9,644,000
Subcontractor Fees Not Included In Revenues	$ 5,751,000	$ 3,660,000

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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)		Mar. 31, 2023	Dec. 30, 2022
Assets
Trading securities held in deferred compensation plan		$ 112,331,000	$ 100,731,000
Total		165,011,000	152,890,000
Liabilities
Deferred compensation plan	[1]	113,270,000	101,354,000
Total		113,270,000	101,354,000
Money market securities
Assets
Money market securities	[2]	52,680,000	52,159,000
Fixed income securities
Assets
Trading securities held in deferred compensation plan	[3]	40,044,000	32,851,000
Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	72,287,000	67,880,000
Fair Value, Inputs, Level 1
Assets
Total		165,011,000	152,890,000
Liabilities
Deferred compensation plan	[1]	113,270,000	101,354,000
Total		113,270,000	101,354,000
Fair Value, Inputs, Level 1 | Money market securities
Assets
Money market securities	[2]	52,680,000	52,159,000
Fair Value, Inputs, Level 1 | Fixed income securities
Assets
Trading securities held in deferred compensation plan	[3]	40,044,000	32,851,000
Fair Value, Inputs, Level 1 | Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	72,287,000	67,880,000
Fair Value, Inputs, Level 2
Assets
Total		0	0
Liabilities
Deferred compensation plan	[1]	0	0
Total		0	0
Fair Value, Inputs, Level 2 | Money market securities
Assets
Money market securities	[2]	0	0
Fair Value, Inputs, Level 2 | Fixed income securities
Assets
Trading securities held in deferred compensation plan	[3]	0	0
Fair Value, Inputs, Level 2 | Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	0	0
Fair Value, Inputs, Level 3
Assets
Total		0	0
Liabilities
Deferred compensation plan	[1]	0	0
Total		0	0
Fair Value, Inputs, Level 3 | Money market securities
Assets
Money market securities	[2]	0	0
Fair Value, Inputs, Level 3 | Fixed income securities
Assets
Trading securities held in deferred compensation plan	[3]	0	0
Fair Value, Inputs, Level 3 | Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	$ 0	$ 0

[1] Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

[2] Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

[3] Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.

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Fair Value Measurements - Cash and Cash Equivalents (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 30, 2022
Cash
Fair Value Measurements [Line Items]
Amortized Cost	$ 72,969	$ 109,299
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	72,969	109,299
Money market securities
Fair Value Measurements [Line Items]
Amortized Cost	52,680	52,159
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	52,680	52,159
Total cash equivalents
Fair Value Measurements [Line Items]
Amortized Cost	52,680	52,159
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	52,680	52,159
Total cash and cash equivalents
Fair Value Measurements [Line Items]
Amortized Cost	125,649	161,458
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 125,649	$ 161,458

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Reconciles the Denominators of the Company's Calculation for Basic and Diluted Net Income per Share (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Schedule Of Earnings Per Share Basic and Diluted [Line Items]
Shares used in basic per share computation	51,132	52,419
Shares used in diluted per share computation	51,682	53,039
Employee Stock Option
Schedule Of Earnings Per Share Basic and Diluted [Line Items]
Effect of dilutive stock outstanding	213	205
Restricted Stock Units (RSUs)
Schedule Of Earnings Per Share Basic and Diluted [Line Items]
Effect of dilutive stock outstanding	337	415

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Net Income Per Share - Additional Information (Detail) - shares	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	14,835	0

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Stock-Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of annual bonus settled with fully vested restricted stock unit awards	40.00%
Vested Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period	4 years
Stock based compensation expense	$ 2,858,000	$ 2,776,000
Unvested Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period	4 years
Unvested Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 3,981,000	3,895,000
Unvested Restricted Stock Awards | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recipient age to expense award on grant date	59 years 6 months
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period	4 years
Stock based compensation expense	$ 224,000	$ 199,000
Share Based Compensation Arrangement By Share Based Payment Award Options Expiration Term	10 years
Vesting percentage of stock options granted per year	25.00%
Unvested Stock Options | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recipient age to expense award on grant date	59 years 6 months

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Deferred Compensation Plans - Additional Information (Detail) - USD ($)		3 Months Ended
		Mar. 31, 2023	Apr. 01, 2022	Dec. 30, 2022
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Trading securities held in deferred compensation plan		$ 112,331,000		$ 100,731,000
Deferred compensation plan	[1]	113,270,000		$ 101,354,000
Change in market value of trust assets		$ 3,918,000	$ (4,699,000)
Maximum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Percentage of compensation deferred		100.00%

[1] Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

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Supplemental Disclosure of Cash Flow Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Cash paid during period:
Income taxes	$ 1,263	$ 852
Non-cash investing and financing activities:
Vested stock unit awards issued to settle accrued bonuses	10,497	10,200
Accrual for capital expenditures as of period end	1,210	602
Right-of-use asset obtained in exchange for operating lease obligations	$ 0	$ 4,011

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Accounts Receivable, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 30, 2022
Accounts Notes And Loans Receivable [Line Items]
Allowance for contract losses and doubtful accounts	$ (7,069)	$ (6,193)
Total accounts receivable, net	173,064	170,114
Billed accounts receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable	119,949	120,212
Unbilled accounts receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts Receivable	$ 60,184	$ 56,095

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Accounts Receivable, Net - Reconciliation of Beginning and Ending Amount of Allowance for Contract Losses and Doubtful Accounts (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Receivables [Abstract]
Balance at December 30, 2022	$ 6,193
Provision for contract losses and doubtful accounts	892	$ 686
Write-offs	(16)
Balance at March 31, 2023	$ 7,069

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Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Segment Reporting Information [Line Items]
Revenues	$ 140,309	$ 128,478
Operating Income	29,120	36,717
Capital Expenditures	5,861	2,795
Depreciation and Amortization	1,988	1,689
Operating segments
Segment Reporting Information [Line Items]
Operating Income	51,173	46,325
Capital Expenditures	1,503	614
Depreciation and Amortization	1,354	1,081
Corporate
Segment Reporting Information [Line Items]
Operating Income	(22,053)	(9,608)
Capital Expenditures	4,358	2,181
Depreciation and Amortization	634	608
Engineering and Other Scientific | Operating segments
Segment Reporting Information [Line Items]
Revenues	117,048	104,615
Operating Income	43,619	38,490
Capital Expenditures	1,408	564
Depreciation and Amortization	1,306	1,039
Environmental and Health | Operating segments
Segment Reporting Information [Line Items]
Revenues	23,261	23,863
Operating Income	7,554	7,835
Capital Expenditures	95	50
Depreciation and Amortization	$ 48	$ 42

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Segment Reporting - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2023 Client Segment	Apr. 01, 2022 Client
Segment Reporting Information [Line Items]
Number of reportable operating segments | Segment	2
Sales Revenue, Net [Member] | Revenue from Rights Concentration Risk [Member] | Single Client [Member]
Segment Reporting Information [Line Items]
Number of clients comprised more than 10% of revenue or accounts receivable	1	1
Concentration Risk, Percentage	13.00%	13.00%
Sales Revenue, Net [Member] | Revenue from Rights Concentration Risk [Member] | Other Client [Member]
Segment Reporting Information [Line Items]
Number of clients comprised more than 10% of revenue or accounts receivable	0	0

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Leases - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2023 USD ($) a Option State	Apr. 01, 2022 USD ($)
Other Income [Member]
Lessee Lease Description [Line Items]
Rental Income | $	$ 756,000	$ 644,000
Office, Laboratory, and Storage Space [Member]
Lessee Lease Description [Line Items]
Number of States in which Entity Has Lease Arrangements | State	13
Office, Laboratory, and Storage Space [Member] | Minimum
Lessee Lease Description [Line Items]
Lessee, Operating Lease, Term of Contract	1 year
Office, Laboratory, and Storage Space [Member] | Maximum
Lessee Lease Description [Line Items]
Lessee, Operating Lease, Term of Contract	10 years
Phoenix Arizona [Member]
Lessee Lease Description [Line Items]
Lessee, Operating Lease, Term of Contract	30 years
Area of Land | a	147
Number of Options to Renew Lease | Option	2
Lessee, Operating Lease, Renewal Term	15 years

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Components of Lease Expense (Detail) - Other Operating Income (Expense) [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Operating lease cost	$ 1,787	$ 1,767
Variable lease cost	370	312
Short-term lease cost	$ 276	$ 129

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Supplemental Cash Flow Information Related to Operating Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Cash paid for amounts included in the measurement of operating lease liabilities:
Operating cash flows from operating leases	$ 2,364	$ 2,201

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Supplemental Balance Sheet Information Related to Operating Leases (Detail)	Mar. 31, 2023	Apr. 01, 2022
Leases [Abstract]
Weighted Average Remaining Lease Term	3 years 9 months 18 days	4 years 3 months 18 days
Weighted Average Discount Rate	4.30%	3.90%

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Maturities of Lease Liabilities (Detail) $ in Thousands	Mar. 31, 2023 USD ($)
Leases [Abstract]
2023 (excluding the three months ended March 31, 2023)	$ 3,752
2024	4,712
2025	3,953
2026	3,234
2027	2,659
2028	132
Total lease payments	18,442
Less imputed interest	(1,993)
Total lease liability	$ 16,449

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Subsequent Events - Additional Information (Detail) - $ / shares		3 Months Ended
	Apr. 27, 2023	Mar. 31, 2023	Apr. 01, 2022
Subsequent Event [Line Items]
Cash dividends declared per common share (in dollars per share)		$ 0.26	$ 0.24
Subsequent Event
Subsequent Event [Line Items]
Cash dividends declared per common share (in dollars per share)	$ 0.26
Dividends Payable, Date Declared	Apr. 27, 2023
Dividends Payable, Date to be Paid	Jun. 23, 2023
Dividends Payable, Date of Record	Jun. 09, 2023