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Condensed Consolidated Statements of Shareholders' Equity - 6 months ended Jul. 02, 2016 - USD ($) $ in Thousands	CRA International, Inc. Shareholders' Equity	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interest	Total
BALANCE at Jan. 02, 2016	$ 211,756	$ 65,731	$ 155,275	$ (9,250)	$ (688)	$ 211,068
BALANCE (in shares) at Jan. 02, 2016		8,859,231				8,859,231
Increase (Decrease) in Shareholders' Equity
Net income	7,637		7,637		1,369	$ 9,006
Foreign currency translation adjustment	(1,915)			(1,915)		(1,915)
Issuance of common stock	44	$ 44				44
Issuance of common stock (in shares)		1,790
Share-based compensation expense for employees	3,043	$ 3,043				3,043
Share-based compensation expense for non-employees	56	$ 56				56
Restricted share vesting (in shares)		77,984
Redemption of vested employee restricted shares for tax withholding	(490)	$ (490)				(490)
Redemption of vested employee restricted shares for tax withholding (in shares)		(24,996)
Tax benefit on stock option exercises and restricted shares vesting	44	$ 44				44
Shares repurchases	(16,455)	$ (16,455)				$ (16,455)
Shares repurchases (in shares)		(673,959)				(672,795)
Equity transactions of noncontrolling interest					6	$ 6
BALANCE at Jul. 02, 2016	$ 203,720	$ 51,973	$ 162,912	$ (11,165)	$ 687	$ 204,407
BALANCE (in shares) at Jul. 02, 2016		8,240,050				8,240,050

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