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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 Dec. 28, 2013 | $ 223,798 | $ 93,242 | $ 133,980 | $ (3,424) | $ 839 | $ 224,637
BALANCE (in shares) at Dec. 28, 2013 |  | 10,048,611 |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |
Net income (loss) | 13,638 |  | 13,638 |  | (231) | 13,407
Foreign currency translation adjustment | (3,280) |  |  | (3,280) |  | (3,280)
Issuance of common stock | 427 | $ 427 |  |  |  | 427
Issuance of common stock (in shares) |  | 22,520 |  |  |  |
Exercise of stock options | 469 | $ 469 |  |  |  | $ 469
Exercise of stock options (in shares) |  | 20,931 |  |  |  | 20,931
Share-based compensation expense for employees | 5,348 | $ 5,348 |  |  |  | $ 5,348
Restricted share vesting (in shares) |  | 149,195 |  |  |  |
Redemption of vested employee restricted shares for tax withholding | (1,222) | $ (1,222) |  |  |  | (1,222)
Redemption of vested employee restricted shares for tax withholding (in shares) |  | (41,470) |  |  |  |
Tax benefit (deficit) on stock option exercises, expirations and restricted share vesting | 128 | $ 128 |  |  |  | 128
Shares repurchased | (25,492) | $ (25,492) |  |  |  | $ (25,492)
Shares repurchased (in shares) |  | (971,515) |  |  |  | (971,515)
Share-based compensation expense for non-employees | 271 | $ 271 |  |  |  | $ 271
Equity transactions of noncontrolling interest |  |  |  |  | 11 | 11
BALANCE at Jan. 03, 2015 | 214,085 | $ 73,171 | 147,618 | (6,704) | 619 | 214,704
BALANCE (in shares) at Jan. 03, 2015 |  | 9,228,272 |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |
Net income (loss) | 7,657 |  | 7,657 |  | (1,332) | 6,325
Foreign currency translation adjustment | (2,546) |  |  | (2,546) |  | (2,546)
Issuance of common stock | 42 | $ 42 |  |  |  | 42
Issuance of common stock (in shares) |  | 1,359 |  |  |  |
Exercise of stock options | 602 | $ 602 |  |  |  | $ 602
Exercise of stock options (in shares) |  | 29,288 |  |  |  | 29,288
Share-based compensation expense for employees | 5,755 | $ 5,755 |  |  |  | $ 5,755
Restricted share vesting (in shares) |  | 106,504 |  |  |  |
Redemption of vested employee restricted shares for tax withholding | (668) | $ (668) |  |  |  | (668)
Redemption of vested employee restricted shares for tax withholding (in shares) |  | (28,900) |  |  |  |
Tax benefit (deficit) on stock option exercises, expirations and restricted share vesting | (376) | $ (376) |  |  |  | (376)
Shares repurchased | (12,806) | $ (12,806) |  |  |  | $ (12,806)
Shares repurchased (in shares) |  | (477,292) |  |  |  | (477,292)
Share-based compensation expense for non-employees | 11 | $ 11 |  |  |  | $ 11
Equity transactions of noncontrolling interest |  |  |  |  | 25 | 25
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 (loss) | 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 |  |  |  | 124,931
Share-based compensation expense for employees | 6,716 | $ 6,716 |  |  |  | $ 6,716
Restricted share vesting (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 benefit (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) |  |  |  | (783,703)
Share-based compensation expense for non-employees | 146 | $ 146 |  |  |  | $ 146
Accrued dividends on unvested shares | (83) |  | (83) |  |  | (83)
Cash dividends paid to stockholders | (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 |  |  |  | 8,333,990

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