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Condensed Consolidated Statement of Shareholders' Equity - (unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands | CRA International, Inc. Shareholders' Equity | Common Stock | Retained Earnings | Accumulated Other Comprehensive Loss | Noncontrolling Interest | Total
--- | --- | --- | --- | --- | --- | ---
BALANCE AT DECEMBER 31, 2016 at Dec. 31, 2016 | $ 207,220 | $ 54,124 | $ 166,914 | $ (13,818) | $ 663 | $ 207,883
BALANCE AT DECEMBER 31, 2016 (in shares) at Dec. 31, 2016 |  | 8,333,990 |  |  |  | 8,333,990
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |
Net income | 9,880 |  | 9,880 |  | 82 | $ 9,962
Foreign currency translation adjustment | 3,611 |  |  | 3,611 |  | 3,611
Issuance of common stock for acquired businesses | 3,044 | $ 3,044 |  |  |  | 3,044
Issuance of common stock for acquired businesses (in shares) |  | 89,312 |  |  |  |
Exercise of stock options | 2,950 | $ 2,950 |  |  |  | 2,950
Exercise of stock options (in shares) |  | 133,955 |  |  |  |
Share-based compensation expense for employees | 4,540 | $ 4,540 |  |  |  | 4,540
Restricted share and unit vestings (in shares) |  | 72,753 |  |  |  |
Redemption of vested employee restricted shares for tax withholding | (703) | $ (703) |  |  |  | (703)
Redemption of vested employee restricted shares for tax withholding (in shares) |  | (19,519) |  |  |  |
Cumulative effect of a change in accounting principle related to ASU 2016-09 | 48 |  | 48 |  |  | 48
Shares repurchases | (19,528) | $ (19,528) |  |  |  | $ (19,528)
Shares repurchases (in shares) |  | (554,708) |  |  |  | (554,708)
Share-based compensation expense for non-employees | 93 | $ 93 |  |  |  | $ 93
Accrued dividends on unvested units | (169) |  | (169) |  |  | (169)
Cash paid on dividend equivalents | (25) |  | (25) |  |  | (25)
Cash dividends paid to stockholders | (3,529) |  | (3,529) |  |  | (3,529)
BALANCE AT SEPTEMBER 30, 2017 at Sep. 30, 2017 | $ 207,432 | $ 44,520 | $ 173,119 | $ (10,207) | $ 745 | $ 208,177
BALANCE AT SEPTEMBER 30, 2017 (in shares) at Sep. 30, 2017 |  | 8,055,783 |  |  |  | 8,055,783

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