Self-Tender Offer	3 Months Ended
Apr. 03, 2021
Equity [Abstract]
Self-Tender Offer	Tender OfferOn March 8, 2021, CRA commenced a modified "Dutch auction" self-tender offer to purchase up to $25.0 million in value of shares of its common stock at a price of not less than $66.25 per share nor greater than $76.00 per share. The self-tender offer expired on April 5, 2021. On April 8, 2021, CRA paid $25.0 million to repurchase 337,837 shares at a purchase price of $74.00 per share. The purchase price and transaction costs were funded from the revolving credit facility and cash on hand. The repurchased shares were retired.

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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