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Subsequent Events	3 Months Ended
	Mar. 31, 2018
Subsequent Events
Subsequent Events	19. Subsequent Events         On April 26, 2018, CRA's Board of Directors declared a quarterly cash dividend of $0.17 per share of CRA's common stock, payable on June 15, 2018 to shareholders of record as of May 29, 2018.         During the month of April 2018, CRA made borrowings of $13.0 million in the U.S. and £5.0 million in the U.K. on its existing revolving line of credit to fund operations. These borrowings are expected to be repaid over the next twelve months in accordance with the terms of the agreement.         During the month of April 2018, CRA repurchased and retired 215,585 shares under its share repurchase program at an average price per share of $55.99. As of May 8, 2018, there was approximately $9.1 million available for future repurchases under this program.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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