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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | CRA International, Inc. Shareholders' Equity | Common Stock | Retained Earnings | Accumulated Other Comprehensive Income (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 |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |
Net income | 12,888 |  | 12,888 |  | 1,345 | 14,233
Foreign currency translation adjustment | (4,568) |  |  | (4,568) |  | (4,568)
Issuance of common stock | 44 | $ 44 |  |  |  | 44
Issuance of common stock (in shares) |  | 1,790 |  |  |  |
Exercise of stock options | 2,853 | $ 2,853 |  |  |  | 2,853
Exercise of stock options (in shares) |  | 124,931 |  |  |  |
Share-based compensation expense for employees | 6,716 | $ 6,716 |  |  |  | 6,716
Restricted share vestings (in shares) |  | 201,905 |  |  |  |
Redemption of vested employee restricted shares for tax withholding | (1,880) | $ (1,880) |  |  |  | (1,880)
Redemption of vested employee restricted shares for tax withholding (in shares) |  | (69,000) |  |  |  |
Tax deficit on stock option exercises, expirations and restricted share vesting | (171) | $ (171) |  |  |  | (171)
Shares repurchased | (19,315) | $ (19,315) |  |  |  | (19,315)
Shares repurchased (in shares) |  | (784,867) |  |  |  |
Share-based compensation expense for non-employees | 146 | $ 146 |  |  |  | 146
Accrued dividends on unvested shares | (83) |  | (83) |  |  | (83)
Cash dividends paid to shareholders | (1,166) |  | (1,166) |  |  | (1,166)
Equity transactions of noncontrolling interest |  |  |  |  | 6 | 6
BALANCE at Dec. 31, 2016 | 207,220 | $ 54,124 | 166,914 | (13,818) | 663 | 207,883
BALANCE (in shares) at Dec. 31, 2016 |  | 8,333,990 |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |
Cumulative effect of a change in accounting principle | ASU 2016-09 | 48 |  | 48 |  |  | 48
Balance, as adjusted | 207,268 | $ 54,124 | 166,962 | (13,818) | 663 | 207,931
Net income | 7,624 |  | 7,624 |  | 77 | 7,701
Foreign currency translation adjustment | 3,922 |  |  | 3,922 |  | 3,922
Issuance of common stock | 3,044 | $ 3,044 |  |  |  | 3,044
Issuance of common stock (in shares) |  | 89,312 |  |  |  |
Exercise of stock options | 6,420 | $ 6,420 |  |  |  | 6,420
Exercise of stock options (in shares) |  | 293,439 |  |  |  |
Share-based compensation expense for employees | 6,489 | $ 6,489 |  |  |  | 6,489
Restricted share vestings (in shares) |  | 211,320 |  |  |  |
Redemption of vested employee restricted shares for tax withholding | (3,262) | $ (3,262) |  |  |  | (3,262)
Redemption of vested employee restricted shares for tax withholding (in shares) |  | (76,181) |  |  |  |
Shares repurchased | (19,528) | $ (19,528) |  |  |  | (19,528)
Shares repurchased (in shares) |  | (554,708) |  |  |  |
Share-based compensation expense for non-employees | 127 | $ 127 |  |  |  | 127
Distribution to noncontrolling interest |  |  |  |  | (419) | (419)
Accrued dividends on unvested shares | (134) |  | (134) |  |  | (134)
Cash paid on dividend equivalents | (121) |  | (121) |  |  | (121)
Cash dividends paid to shareholders | (4,941) |  | (4,941) |  |  | (4,941)
BALANCE at Dec. 30, 2017 | 206,908 | $ 47,414 | 169,390 | (9,896) | 321 | $ 207,229
BALANCE (in shares) at Dec. 30, 2017 |  | 8,297,172 |  |  |  | 8,297,172
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |
Cumulative effect of a change in accounting principle | ASC 606 | 366 |  | 366 |  |  | $ 366
Balance, as adjusted | 207,274 | $ 47,414 | 169,756 | (9,896) | 321 | 207,595
Net income | 22,492 |  | 22,492 |  | (20) | 22,472
Foreign currency translation adjustment | (2,698) |  |  | (2,698) |  | (2,698)
Exercise of stock options | 2,166 | $ 2,166 |  |  |  | 2,166
Exercise of stock options (in shares) |  | 100,771 |  |  |  |
Share-based compensation expense for employees and non-employees | 4,819 | $ 4,819 |  |  |  | 4,819
Restricted share vestings (in shares) |  | 237,509 |  |  |  |
Redemption of vested employee restricted shares for tax withholding | (3,946) | $ (3,946) |  |  |  | (3,946)
Redemption of vested employee restricted shares for tax withholding (in shares) |  | (83,341) |  |  |  |
Shares repurchased | (27,616) | $ (27,616) |  |  |  | (27,616)
Shares repurchased (in shares) |  | (541,631) |  |  |  |
GNU gain on sale of business assets and subsequent liquidation |  |  |  |  | (258) | (258)
Distribution to noncontrolling interest |  |  |  |  | $ (43) | (43)
Accrued dividends on unvested shares | 21 |  | 21 |  |  | 21
Cash paid on dividend equivalents | (256) |  | (256) |  |  | (256)
Cash dividends paid to shareholders | (5,784) |  | (5,784) |  |  | (5,784)
BALANCE at Dec. 29, 2018 | $ 196,472 | $ 22,837 | $ 186,229 | $ (12,594) |  | $ 196,472
BALANCE (in shares) at Dec. 29, 2018 |  | 8,010,480 |  |  |  | 8,010,480

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