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FAIR VALUE MEASUREMENT
 6 Months Ended
Jun. 30, 2026
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENT FAIR VALUE MEASUREMENT
The Company’s valuation techniques and inputs used to measure fair value and the definition of the three levels (Level 1, Level 2, and Level 3) of the fair value hierarchy are disclosed in Part II, Item 8, “Financial Statements and Supplementary Data—Notes to Consolidated Financial Statements—Note (4), Fair Value Measurement” of the 2025 Annual Report. The Company has not changed the valuation techniques or inputs it uses for its fair value measurement during the six months ended June 30, 2026.
Assets and Liabilities Measured on a Recurring Basis
The Company invests a portion of its cash and cash equivalents in non-federally insured money market funds that are measured at fair value based on quoted prices, which are Level 1 inputs.
The Company has a deferred compensation plan for certain executives and employees, which is composed of deferred compensation and all related income and losses attributable thereto. The Company’s obligation under its deferred compensation plan is measured at fair value based on quoted market prices of the participants’ elected investments, which are Level 1 inputs.
The Company’s restricted cash equivalents and investments that serve as collateral for the Company’s captive insurance company include commercial paper and corporate bonds. The commercial paper is measured at observable market prices for identical securities that are traded in less active markets, which are Level 2 inputs. The corporate bonds are measured using readily available pricing sources that utilize observable market data, including the current interest rate for comparable instruments, which are Level 2 inputs. The following table presents the fair value of commercial paper and corporate bonds issued and outstanding:
As of June 30, 2026As of December 31, 2025
Commercial paper$10,813 $12,985 
Total classified as restricted cash equivalents$10,813 $12,985 
Commercial paper$1,569 $1,449 
Corporate bonds31,977 32,586 
Total classified as restricted investments$33,546 $34,035 
The Company’s contingent consideration liabilities associated with acquisitions are measured at fair value using a probability-weighted discounted cash flow analysis or a simulation-based methodology for the acquired companies, which are Level 3 inputs. The Company recognizes changes to the fair value of its contingent consideration liabilities in selling, general and administrative expenses in the condensed consolidated statements of comprehensive income (loss). There were no assets or liabilities measured on a recurring basis with Level 3 inputs outstanding as of December 31, 2025.
The following table presents information about the above-referenced assets and liabilities and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value:
Fair Value Measurements as of June 30, 2026Fair Value Measurements as of December 31, 2025
Assets (Liabilities)Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Money market funds$320,156 $— $— $320,156 $10,012 $— $— $10,012 
Deferred compensation(214,298)— — (214,298)(205,390)— — (205,390)
Commercial paper— 12,382 — 12,382 — 14,434 — 14,434 
Corporate bonds— 31,977 — 31,977 — 32,586 — 32,586 
Acquisition contingent consideration liabilities— — (1,770)(1,770)— — — — 
Assets Measured on a Non-Recurring Basis
The Company applies fair value techniques on a non-recurring basis associated with identifiable intangible assets acquired through acquisitions and valuing potential impairment losses related to its goodwill, indefinite-lived intangible assets, long-lived assets, and equity investments.
The fair value of identifiable intangible assets is determined using either the income approach (the relief-from-royalty method, multi-period excess earnings method or with-and-without method) or the cost approach (replacement cost method). These valuation approaches use a combination of assumptions, including Level 3 inputs, such as (i) forecasted revenue, growth rates and customer attrition rates, (ii) forecasted operating expenses and profit margins, and (iii) royalty rates and discount rates used to present value the forecasted cash flows.
The Company assesses long-lived assets (including definite-lived intangible assets, fixed assets, and right-of-use assets) for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of long-lived assets to be held and used is measured by a comparison of the carrying amount of an asset group to the future undiscounted net cash flows that are expected to be generated by the asset group. If such asset group is considered to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount of the asset group exceeds its fair value. The Company determines the fair value of its asset groups based on a combination of inputs, including Level 3 inputs such as discounted cash flows, which are not observable from the market, directly or indirectly.
The Company maintains goodwill on its balance sheet, which represents the excess of the total purchase price of acquisitions over the fair value of the net assets and intangible assets acquired. The Company evaluates goodwill and indefinite-lived intangible assets annually for impairment and whenever events or changes in circumstances indicate that it is more likely than not that an impairment exists. The Company determines the fair value of its reporting units based on a combination of inputs, including the market capitalization of the Company, as well as Level 3 inputs such as discounted cash flows, which are not observable from the market, directly or indirectly. The Company determines the fair value of its indefinite-lived intangible assets using the income approach (relief-from-royalty method) based on Level 3 inputs.
The Company’s equity investment represents an investment in a non-controlled corporation without a readily determinable market value. The Company has elected to measure the investment at cost minus impairment, if any, plus or minus changes resulting from observable price changes. When the Company identifies price changes in orderly transactions for identical or similar investments of the same issuer, the investment is measured at fair value. To determine whether a security of the same issuer is similar to the Company’s equity investment, the Company considers other information available, such as the rights and obligations of the securities. The Company recognizes changes to the fair value of its equity investment in interest expense, net, and other in the condensed consolidated statements of comprehensive income (loss). As of June 30, 2026, the Company has recognized cumulative upward adjustments and cumulative downward adjustments (including impairments) of $14,033 and $19,860, respectively. The balance of the equity investment was $2,773 as of June 30, 2026 and December 31, 2025.
Fair Value of Financial Instruments
The Company is required to disclose the fair value of financial instruments for which it is practicable to estimate the value, even though these instruments are not recognized at fair value in the consolidated balance sheets. The fair value of the Company’s 4.000% senior notes due 2029 (the “2029 Notes”) and 6.500% senior notes due 2031 (the “2031 Notes”) was estimated using quoted market prices in active markets for identical liabilities, which are Level 1 inputs. The carrying amounts and estimated fair value of the 2029 Notes and the 2031 Notes are presented in the following table. See additional information regarding the 2029 Notes and the 2031 Notes in Part II, Item 8, “Financial Statements and Supplementary Data—Notes to Consolidated Financial Statements—Note (9), Notes Payable and Credit Agreement” of the 2025 Annual Report.
As of June 30, 2026As of December 31, 2025
Carrying
Amount		Estimated
Fair Value		Carrying
Amount		Estimated
Fair Value
2029 Notes$350,000 $338,625 $350,000 $331,188 
2031 Notes400,000 401,000 400,000 398,500 
On July 1, 2025, the Company completed the sale of its Smart Square scheduling software, a service offering of the Company’s workforce optimization business within its technology and workforce solutions segment. As a result of the sale, the Company received cash consideration of $65,320 and is owed a 9.00% promissory note of $10,000 (the “2027 Note Receivable”) payable on January 1, 2027. The Company initially recognized the 2027 Note Receivable at its estimated fair value of $9,899 using Level 2 inputs, including observable market interest rates and pricing for similar credit facilities. The fair value of the 2027 Note Receivable was not re-measured as of June 30, 2026 as there were no material changes in contractual terms, counterparty credit risk, or other relevant factors. The carrying amount of $9,965 approximates its fair value and is classified as a current asset in the consolidated balance sheet as of June 30, 2026.
The fair value of the Company’s long-term self-insurance accruals cannot be estimated as the Company cannot reasonably determine the timing of future payments.