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Fair Value of Financial Instruments (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 01, 2022
Jan. 02, 2021
Recurring    
Summary of changes in contingent consideration liabilities    
Beginning balance $ 14,620 $ 11,579
Remeasurement of acquisition-related contingent consideration 0 1,156
Accretion 380 1,885
Payments of contingent consideration (15,000) 0
Ending balance $ 0 14,620
Level 1 | Recurring    
Fair Value of Financial Instruments    
Total Assets   150
Contingent consideration liability   0
Total Liabilities   0
Level 2 | Recurring    
Fair Value of Financial Instruments    
Total Assets   0
Contingent consideration liability   0
Total Liabilities   0
Level 3 | Recurring    
Fair Value of Financial Instruments    
Total Assets   0
Contingent consideration liability   14,620
Total Liabilities   $ 14,620
Money market mutual funds    
Fair Value of Financial Instruments    
Fair value per share of CRA's money market mutual fund share holdings   $ 1.00
Money market mutual funds | Level 1 | Recurring    
Fair Value of Financial Instruments    
Money market mutual funds   $ 150
Money market mutual funds | Level 2 | Recurring    
Fair Value of Financial Instruments    
Money market mutual funds   0
Money market mutual funds | Level 3 | Recurring    
Fair Value of Financial Instruments    
Money market mutual funds   $ 0