Fair Value of Financial Instruments (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
Jul. 03, 2021	Jan. 02, 2021
Money market mutual funds
Liabilities:
Fair value per share of CRA's money market mutual fund share holdings (in dollars per share)	$ 1.00
Recurring
Summary of changes in contingent consideration liability
Beginning balance	$ 14,620	$ 11,579
Remeasurement of acquisition-related contingent consideration	0	1,156
Accretion	380	1,885
Payment of contingent consideration	(15,000)	0
Ending balance	$ 0	14,620
Recurring \| Level 1
Assets:
Total Assets		150
Liabilities:
Contingent consideration liability		0
Total Liabilities		0
Recurring \| Level 1 \| Money market mutual funds
Assets:
Cash and cash equivalents		150
Recurring \| Level 2
Assets:
Total Assets		0
Liabilities:
Contingent consideration liability		0
Total Liabilities		0
Recurring \| Level 2 \| Money market mutual funds
Assets:
Cash and cash equivalents		0
Recurring \| Level 3
Assets:
Total Assets		0
Liabilities:
Contingent consideration liability		14,620
Total Liabilities		14,620
Recurring \| Level 3 \| Money market mutual funds
Assets:
Cash and cash equivalents		$ 0

Amount of increase in the value of a contingent consideration liability, arising from accretion.

No definition available.

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- Definition

Fair value portion of money market funds per share.

+ References

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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
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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
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- Definition

Fair value portion 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.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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-Section 50
-Paragraph 2
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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
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- Definition

Fair value of financial and nonfinancial obligations.

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