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Credit Agreement	3 Months Ended
	Mar. 31, 2018
Credit Agreement
Credit Agreement	13. Credit Agreement         CRA is party to a credit agreement that provides CRA with a $125.0 million revolving credit facility and a $15.0 million sublimit for the issuance of letters of credit. CRA may use the proceeds of the revolving credit facility to provide working capital and for other general corporate purposes. CRA may repay any borrowings under the revolving credit facility at any time, but no later than October 24, 2022. There were $10.0 million in borrowings outstanding under this revolving credit facility as of March 31, 2018. There were no outstanding borrowings on this facility as of December 30, 2017.         As of March 31, 2018, the amount available under this revolving credit facility was reduced by certain letters of credit outstanding, which amounted to $3.6 million. Under the credit agreement, CRA must comply with various financial and non-financial covenants. Compliance with these financial covenants is tested on a fiscal quarterly basis. As of March 31, 2018 and December 30, 2017, CRA was in compliance with the covenants of its credit agreement.

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- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

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