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

No definition available.

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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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No definition available.

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- Definition

Fair value portion of money market funds per share.

+ References

No definition available.

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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
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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-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.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Fair value of financial and nonfinancial obligations.

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Fair Value of Financial Instruments (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 29, 2019	Dec. 29, 2018	Jun. 29, 2019	Dec. 29, 2018
Money market mutual funds
Fair Value of Financial Instruments
Fair value per share of CRA's money market mutual fund share holdings				$ 1.00
Recurring \| Level 1
Fair Value of Financial Instruments
Total Assets			$ 148	$ 18,029
Recurring \| Level 1 \| Money market mutual funds
Fair Value of Financial Instruments
Cash and cash equivalents			148	18,029
Recurring \| Level 3
Fair Value of Financial Instruments
Contingent consideration liability	$ 6,197	$ 5,137	6,631	6,197
Total Liabilities			$ 6,631	$ 6,197
Summary of changes in contingent consideration liabilities
Beginning balance	6,197	5,137
Remeasurement of acquisition-related contingent consideration	(629)	(244)
Accretion	1,063	1,304
Ending balance	$ 6,631	$ 6,197