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FAIR VALUE | 9 Months Ended
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Sep. 27, 2025
FAIR VALUE |
FAIR VALUE | B. FAIR VALUE We apply the provisions of ASC 820, Fair Value Measurements and Disclosures, to assets and liabilities measured at fair value. Assets measured at fair value are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 27, 2025 | ​ | December 28, 2024
​ | ​ | Quoted | ​ | Prices with | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Quoted | ​ | Prices with | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Prices in | ​ | Other | ​ | ​ | Prices with | ​ | ​ | ​ | ​ | Prices in | ​ | Other | ​ | ​ | Prices with | ​ | ​ | ​
​ | ​ | Active | ​ | Observable | ​ | ​ | Unobservable | ​ | ​ | ​ | ​ | Active | ​ | Observable | ​ | ​ | Unobservable | ​ | ​ | ​
​ | ​ | Markets | ​ | Inputs | ​ | ​ | Inputs | ​ | ​ | ​ | ​ | Markets | ​ | Inputs | ​ | ​ | Inputs | ​ | ​ | ​
​ |  | (Level 1) |  | (Level 2) |  | ​ | (Level 3) | ​ | Total |  | (Level 1) |  | (Level 2) |  | ​ | (Level 3) |  | Total
Money market funds | ​ | $ | 268,544 | ​ | ​ | 27,514 | ​ | ​ | ​ |  | $ | 296,058 |  | $ | 356,700 | ​ | $ | 21,150 | ​ | $ | — |  | $ | 377,850
Fixed income funds | ​ |  | 5,343 | ​ | ​ | 40,859 | ​ | ​ | ​ |  |  | 46,202 | ​ |  | 5,272 | ​ | ​ | 33,076 | ​ | ​ | — |  |  | 38,348
Treasury securities | ​ | ​ | 345 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 345 | ​ | ​ | 344 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 344
Equity securities | ​ |  | 17,988 | ​ | ​ | ​ | ​ | ​ | 30,500 |  |  | 48,488 | ​ |  | 16,431 | ​ | ​ | — | ​ | ​ | 26,000 |  |  | 42,431
Alternative investments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 4,102 | ​ | ​ | 4,102 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,044 | ​ | ​ | 4,044
Mutual funds: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | ​ | ​
Domestic stock funds | ​ |  | 10,592 | ​ | ​ | ​ | ​ | ​ | ​ |  |  | 10,592 | ​ |  | 9,534 | ​ | ​ | — | ​ | ​ | — |  |  | 9,534
International stock funds | ​ |  | 796 | ​ | ​ | ​ | ​ | ​ | ​ |  |  | 796 | ​ |  | 641 | ​ | ​ | — | ​ | ​ | — |  |  | 641
Target funds | ​ |  | 11 | ​ | ​ | ​ | ​ | ​ | ​ |  |  | 11 | ​ |  | 10 | ​ | ​ | — | ​ | ​ | — |  |  | 10
Bond funds | ​ |  | 6 | ​ | ​ | ​ | ​ | ​ | ​ |  |  | 6 | ​ |  | 6 | ​ | ​ | — | ​ | ​ | — |  |  | 6
Alternative funds | ​ | ​ | 492 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 492 | ​ | ​ | 477 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 477
Total mutual funds | ​ |  | 11,897 | ​ |  | — | ​ | ​ | — |  |  | 11,897 | ​ |  | 10,668 | ​ |  | — | ​ | ​ | — |  |  | 10,668
Total | ​ | $ | 304,117 | ​ | $ | 68,373 | ​ | $ | 34,602 | ​ | $ | 407,092 | ​ | $ | 389,415 | ​ | $ | 54,226 | ​ | $ | 30,044 | ​ | $ | 473,685
​ From the assets measured at fair value as of September 27, 2025, listed in the table above, $294.1 million of money market funds are held in Cash and Cash Equivalents, $33.8 million of mutual funds, equity securities, and alternative investments are held in Investments, $30.5 million of equity securities are held in Other Assets, $0.2 million of mutual funds are held in Other Assets for our deferred compensation plan, and $46.5 million of fixed income funds and $2.0 million of money market funds are held in Restricted Investments. As of December 28, 2024, $377.4 million of money market funds were held in Cash and Cash Equivalents, $31.0 million of mutual funds, equity securities, and alternative investments were held in Investments, $26.0 million of equity securities were held in Other Assets, $0.2 million of mutual funds were held in Other Assets for our deferred compensation plan, and $38.7 million of fixed income funds and $0.4 million of money market funds were held in Restricted Investments. We maintain money market, mutual funds, bonds, and/or equity securities in our non-qualified deferred compensation plan, our wholly owned licensed captive insurance company, and assets held in financial institutions. These funds are valued at prices quoted in an active exchange market and are included in “Cash and Cash Equivalents”, “Investments”, “Other Assets”, and “Restricted Investments”. We have elected not to apply the fair value option under ASC 825, Financial Instruments, to any of our financial instruments except for those expressly required by U.S. GAAP. We have $30.5 million of investments through our Innov8 Fund, which is designed to invest in emerging projects, services, and technologies. These investments are valued as Level 3 assets and are categorized as “Equity securities.” In accordance with our investment policy, our wholly-owned captive, Ardellis Insurance Ltd. (“Ardellis”), maintains an investment portfolio, totaling $80.5 million and $69.8 million as of September 27, 2025 and December 28, 2024, respectively, which has been included in the aforementioned table of total investments. This portfolio consists of domestic and international equity securities, alternative investments, and fixed income bonds. Ardellis’ available for sale investment portfolio, including funds held with the State of Michigan, consists of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 27, 2025 | ​ | December 28, 2024
​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​
​ |  | Cost |  | Gain (Loss) |  | Fair Value |  | Cost |  | Gain (Loss) |  | Fair Value
Fixed income | ​ | $ | 46,320 | ​ | $ | (118) |  | $ | 46,202 | ​ | $ | 39,645 |  | $ | (1,297) |  | $ | 38,348
Treasury securities | ​ | ​ | 345 | ​ | ​ | — | ​ | ​ | 345 | ​ | ​ | 344 | ​ | ​ | — | ​ | ​ | 344
Equity | ​ |  | 13,563 | ​ | ​ | 4,425 |  |  | 17,988 | ​ |  | 13,161 | ​ | ​ | 3,270 |  |  | 16,431
Mutual funds | ​ | ​ | 8,714 | ​ | ​ | 3,123 | ​ | ​ | 11,837 | ​ | ​ | 8,549 | ​ | ​ | 2,064 | ​ | ​ | 10,613
Alternative investments | ​ | ​ | 3,407 | ​ | ​ | 695 | ​ | ​ | 4,102 | ​ | ​ | 3,321 | ​ | ​ | 723 | ​ | ​ | 4,044
Total | ​ | $ | 72,349 | ​ | $ | 8,125 |  | $ | 80,474 | ​ | $ | 65,020 | ​ | $ | 4,760 |  | $ | 69,780
​ Our fixed income investments consist of a blend of US Government and Agency bonds and investment grade corporate bonds with varying maturities. Our equity investments consist of small, mid, and large cap growth and value funds, as well as international equity. Our mutual fund investments consist of domestic and international stock. Our alternative investments consist of a private real estate income trust which is valued as a Level 3 asset. The net pre-tax unrealized gain of the portfolio was $8.1 million and $4.8 million as of September 27, 2025 and December 28, 2024, respectively. Carrying amounts above are recorded in the Investments and Restricted Investments line items within the balance sheet as of September 27, 2025 and December 28, 2024.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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