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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Parent | Common Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Noncontrolling Interest | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Apr. 30, 2018 | $ 409,033 | $ 2 | $ 170,139 | $ 238,913 | $ (21) | $ 23 |
Balance (in shares) at Apr. 30, 2018 |  | 23,908,736 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Apr. 30, 2018 |  |  |  |  |  |  | $ 409,056
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income |  |  |  | 27,330 |  |  | 27,316
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | 27,330 |  |  |  |  |  |
Net loss attributable to noncontrolling interest |  |  |  |  |  | (14) | 14
Unrealized gain on investments | 57 |  |  |  | 57 |  | 57
Foreign currency translation | (20) |  |  |  | (20) |  | (20)
Stock options exercised | 67 |  | 67 |  |  |  | 67
Stock options exercised (in shares) |  | 6,000 |  |  |  |  |
Restricted stock awards (in shares) |  | 33,412 |  |  |  |  |
Restricted stock awards forfeited (in shares) |  | (13,453) |  |  |  |  |
Tax withholding payment related to net share settlement of equity awards | (819) |  | (819) |  |  |  | (819)
Tax withholding payment related to net share settlement of equity awards (in shares) |  | (11,353) |  |  |  |  |
Stock-based compensation | 1,402 |  | 1,402 |  |  |  | 1,402
Balance at Jul. 28, 2018 | 437,050 | $ 2 | 170,789 | 266,243 | 16 | 9 |
Balance (in shares) at Jul. 28, 2018 |  | 23,923,342 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Jul. 28, 2018 |  |  |  |  |  |  | 437,059
Balance at Apr. 30, 2019 | 462,571 | $ 2 | 176,216 | 286,351 | 2 | 4 | 462,571
Balance (in shares) at Apr. 30, 2019 |  | 23,946,293 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Apr. 30, 2019 |  |  |  |  |  |  | 462,575
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income |  |  |  | 17,110 |  |  | 17,099
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | 17,110 |  |  |  |  |  |
Net loss attributable to noncontrolling interest |  |  |  |  |  | (11) | 11
Foreign currency translation | 169 |  |  |  | 169 |  | 169
Stock options exercised | 93 |  | 93 |  |  |  | 93
Stock options exercised (in shares) |  | 3,000 |  |  |  |  |
Restricted stock awards (in shares) |  | 57,861 |  |  |  |  |
Restricted stock awards forfeited (in shares) |  | (4,720) |  |  |  |  |
Tax withholding payment related to net share settlement of equity awards | (668) |  | (668) |  |  |  | (668)
Tax withholding payment related to net share settlement of equity awards (in shares) |  | (11,975) |  |  |  |  |
Stock-based compensation | 1,566 |  | 1,566 |  |  |  | 1,566
Balance at Jul. 27, 2019 | 481,506 | $ 2 | $ 177,207 | 304,126 | $ 171 | $ (7) | 481,506
Balance (in shares) at Jul. 27, 2019 |  | 23,990,459 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Jul. 27, 2019 |  |  |  |  |  |  | 481,499
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Adoption of ASU | $ 665 |  |  | $ 665 |  |  | $ 665

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