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Fair Value Measurements of Financial Instruments (Details) - USD ($) $ in Millions | Dec. 30, 2023 | Dec. 31, 2022
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Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents (including money market funds) | $ 28.9 | $ 17.4
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Accounts payable and accrued expenses, Other Long-Term Liabilities |
Fair Value measurements on a recurring basis |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents (including money market funds) | $ 28.9 | 17.4
Deferred stock-based compensation |  | (4.7)
Fair Value measurements on a recurring basis | Government Securities |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 5.7 | 5.6
Fair Value measurements on a recurring basis | Corporate Bonds |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 7.8 | 7.2
Fair Value measurements on a recurring basis | Interest rate swaps |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | (3.5) |
Fair Value measurements on a recurring basis | Put option liability |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | (5.7) | (5.1)
Fair Value measurements on a recurring basis | Supplemental Employee Retirement Plan |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 11.3 |
Fair Value measurements on a recurring basis | Quoted prices in active markets for identical assets (Level 1) |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents (including money market funds) | 28.9 | 17.4
Deferred stock-based compensation |  | 0.0
Fair Value measurements on a recurring basis | Quoted prices in active markets for identical assets (Level 1) | Government Securities |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 0.0 | 0.0
Fair Value measurements on a recurring basis | Quoted prices in active markets for identical assets (Level 1) | Corporate Bonds |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 0.0 | 0.0
Fair Value measurements on a recurring basis | Quoted prices in active markets for identical assets (Level 1) | Interest rate swaps |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | 0.0 |
Fair Value measurements on a recurring basis | Quoted prices in active markets for identical assets (Level 1) | Put option liability |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | 0.0 | 0.0
Fair Value measurements on a recurring basis | Quoted prices in active markets for identical assets (Level 1) | Supplemental Employee Retirement Plan |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 11.3 |
Fair Value measurements on a recurring basis | Significant other observable inputs (Level 2) |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents (including money market funds) | 0.0 | 0.0
Deferred stock-based compensation |  | (4.7)
Fair Value measurements on a recurring basis | Significant other observable inputs (Level 2) | Government Securities |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 5.7 | 5.6
Fair Value measurements on a recurring basis | Significant other observable inputs (Level 2) | Corporate Bonds |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 7.8 | 7.2
Fair Value measurements on a recurring basis | Significant other observable inputs (Level 2) | Interest rate swaps |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | (3.5) |
Fair Value measurements on a recurring basis | Significant other observable inputs (Level 2) | Put option liability |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | 0.0 | 0.0
Fair Value measurements on a recurring basis | Significant other observable inputs (Level 2) | Supplemental Employee Retirement Plan |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 0.0 |
Fair Value measurements on a recurring basis | Significant unobservable inputs (Level 3) |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents (including money market funds) | 0.0 | 0.0
Deferred stock-based compensation |  | 0.0
Fair Value measurements on a recurring basis | Significant unobservable inputs (Level 3) | Government Securities |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 0.0 | 0.0
Fair Value measurements on a recurring basis | Significant unobservable inputs (Level 3) | Corporate Bonds |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | 0.0 | 0.0
Fair Value measurements on a recurring basis | Significant unobservable inputs (Level 3) | Interest rate swaps |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | 0.0 |
Fair Value measurements on a recurring basis | Significant unobservable inputs (Level 3) | Put option liability |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative financial instruments - liability | (5.7) | $ (5.1)
Fair Value measurements on a recurring basis | Significant unobservable inputs (Level 3) | Supplemental Employee Retirement Plan |  |
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities | $ 0.0 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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