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

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

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Amount of increase (decrease) in the value of a contingent consideration liability, resulting from foreign currency translations.

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- Definition

Fair value per share of cash and cash equivalents.

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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

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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-Name Accounting Standards Codification
-Topic 805
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-Paragraph 6
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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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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.

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Fair value of financial and nonfinancial obligations.

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- Definition

Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (d)
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Summary of Significant Accounting Policies - Fair Value of Financial Instruments (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017
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			$ 18,029	$ 5,006
Recurring \| Level 1 \| Money market mutual funds
Fair Value of Financial Instruments
Cash and cash equivalents			18,029	5,006
Recurring \| Level 3
Fair Value of Financial Instruments
Contingent consideration liability	$ 5,137	$ 549	6,197	5,137
Total Liabilities			$ 6,197	$ 5,137
Summary of changes in contingent consideration liabilities
Beginning balance	5,137	549
Acquisitions		2,357
Remeasurement of acquisition-related contingent consideration	(244)	1,155
Accretion	1,304	1,328
Payments		(299)
Effect of foreign currency translation		47
Ending balance	$ 6,197	$ 5,137