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Revenues and Allowances (Tables)

9 Months Ended

Sep. 27, 2025

Revenue from Contract with Customer [Abstract]

Schedule of disaggregate CRA's revenue by type of contract and geographic location

The following tables disaggregate CRA’s revenue by type of contract and geographic location (in thousands):

						Fiscal Quarter Ended												Fiscal Year-to-Date Period Ended
Type of Contract						September 27, 2025						September 28, 2024						September 27, 2025						September 28, 2024
Consulting services revenues:
Fixed-price						$	31,590					$	30,670					$	91,332					$	90,043
Time-and-materials						154,301						137,078						463,288						420,936
Total						$	185,891					$	167,748					$	554,620					$	510,979

Revenues have been attributed to locations based on the location of the legal entity generating the revenues.

						Fiscal Quarter Ended												Fiscal Year-to-Date Period Ended
Geographic Breakdown						September 27, 2025						September 28, 2024						September 27, 2025						September 28, 2024
Consulting services revenues:
United States						$	146,116					$	136,223					$	447,575					$	417,029
United Kingdom						28,345						20,821						73,932						64,136
Other						11,430						10,704						33,113						29,814
Total						$	185,891					$	167,748					$	554,620					$	510,979

Schedule of bad debt expense, net of recoveries

The following table presents CRA's bad debt expense, net of recoveries of previously written off allowances (in thousands):

						Fiscal Quarter Ended												Fiscal Year-to-Date Period Ended
						September 27, 2025						September 28, 2024						September 27, 2025						September 28, 2024
Bad debt expense (recovery), net						$	155					$	(94)					$	718					$	587

Schedule of expenses are subject to reimbursement

The following expenses are subject to reimbursement (in thousands):

						Fiscal Quarter Ended												Fiscal Year-to-Date Period Ended
						September 27, 2025						September 28, 2024						September 27, 2025						September 28, 2024
Reimbursable expenses						$	17,802					$	16,107					$	53,923					$	49,530

Schedule of opening and closing balances and result of changes in contract liability balance (in thousands)

The following table presents the open and closing balances of CRA's accounts receivable, net and unbilled services, net (in thousands):

						September 27, 2025						December 28, 2024						December 30, 2023
Accounts receivable, net						$	151,851					$	162,293					$	142,729
Unbilled services, net						$	91,235					$	57,255					$	56,827

The following table presents the closing balances of CRA's contract liabilities (in thousands):

						September 27, 2025						December 28, 2024						December 30, 2023
Contract liabilities						$	2,371					$	7,340					$	6,037

CRA recognized the following revenue that was included in the contract liabilities balance as of the opening of the respective period or for performance obligations satisfied in previous periods (in thousands):

						Fiscal Quarter Ended												Fiscal Year-to-Date Period Ended
						September 27, 2025						September 28, 2024						September 27, 2025						September 28, 2024
Amounts included in contract liabilities at the beginning of the period						$	1,673					$	1,656					$	7,084					$	5,686
Performance obligations satisfied in previous periods						$	4,480					$	2,650					$	3,025					$	3,557

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

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Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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