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Fair value of Financial Instruments (Tables) | 9 Months Ended
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Sep. 26, 2020
Fair Value Disclosures [Abstract] |
Schedule of financial instruments that are measured and recorded at fair value on a recurring basis | The following tables show CRA’s financial instruments as of September 26, 2020 and December 28, 2019 that are measured and recorded in the condensed consolidated financial statements at fair value on a recurring basis (in thousands):
​ |  | September 26, 2020
​ |  | Quoted Prices in Active Markets for Identical Assets or Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
​ |  | Level 1 |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |
Money market mutual funds |  | $ | 150 |  |  | $ | — |  |  | $ | — |
Total Assets |  | $ | 150 |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |  |
Contingent consideration liability |  | $ | — |  |  | $ | — |  |  | $ | 13,480 |
Total Liabilities |  | $ | — |  |  | $ | — |  |  | $ | 13,480 |
​
​ |  | December 28, 2019
​ |  | Quoted Prices in Active Markets for Identical Assets or Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs
​ |  | Level 1 |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |
Money market mutual funds |  | $ | 150 |  |  | $ | — |  |  | $ | — |
Total Assets |  | $ | 150 |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |  |
Contingent consideration liability |  | $ | — |  |  | $ | — |  |  | $ | 11,579 |
Total Liabilities |  | $ | — |  |  | $ | — |  |  | $ | 11,579 |
Summary of the changes in the contingent consideration liability | The following table summarizes the changes in the contingent consideration liabilities (in thousands):
​ |  | Fiscal Year-to-Date Period Ended |  | Fiscal Year Ended
​ |  | September 26, 2020 |  | December 28, 2019
Beginning balance |  | $ | 11,579 |  |  | $ | 6,197 |
Remeasurement of acquisition-related contingent consideration |  | 921 |  |  | 3,285 |
Accretion |  | 980 |  |  | 2,097 |
Ending balance |  | $ | 13,480 |  |  | $ | 11,579 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of contingent payment arrangements including the terms that will result in payment and the accounting treatment that will be followed if such contingencies occur, including the potential impact on earnings per share if contingencies are to be settled in common stock of the entity. The description also may include the period over which amounts are expected to be paid, and changes in the amount since the previous reporting period. This also includes contingent options and commitments. + References No definition available. + Details
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