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Fair Value Measurements (Tables)
12 Months Ended
Dec. 30, 2022
Fair Value Disclosures [Abstract]  
Schedule of changes in level 3 contingent consideration liability
The following table presents the changes in Level 3 contingent earn-out liabilities:

Balance December 25, 2020$2,756 
Acquisition value5,500 
Cash payments(83)
Changes in fair value(1,296)
Balance December 24, 20216,877 
Acquisition value8,700 
Cash payments(6,788)
Changes in fair value8,505 
Balance December 30, 2022$17,294 
Schedule of carrying value and fair value of the company's convertible subordinated notes
The following table presents the carrying value and fair value of the Company’s convertible notes (more fully described in Note 9). The fair value of the Company’s 2028 Convertible Senior Notes was based on Level 1 inputs. In estimating the fair value of its 2024 Convertible Senior Notes and Convertible Unsecured Note, the Company utilized Level 3 inputs including prevailing market interest rates to estimate the debt portion of the instrument and a Black Scholes valuation model to estimate the fair value of the conversion options. The Black Scholes model utilizes the market price of the Company’s common stock, estimates of the stock’s volatility and the prevailing risk free interest rate in calculating the fair value estimates.
 December 30, 2022December 24, 2021
Carrying ValueFair ValueCarrying ValueFair Value
2028 Convertible Senior Notes$287,500 $292,531 $— $— 
2024 Convertible Senior Notes$41,684 $43,723 $200,000 $206,182 
Convertible Unsecured Note$4,000 $4,345 $4,000 $4,102