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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 | 33,387 |  |  | 33,387 |  | (21) | 33,366
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  |  | 33,366
Net (income) loss attributable to noncontrolling interest |  |  |  |  |  |  | 21
Unrealized gain on investments | 57 |  |  |  | 57 |  | 57
Foreign currency translation | (31) |  |  |  | (31) |  | (31)
Stock options exercised | 71 |  | 71 |  |  |  | 71
Stock options exercised (in shares) |  | 12,725 |  |  |  |  |
Restricted stock awards (in shares) |  | 34,446 |  |  |  |  |
Restricted stock awards forfeited (in shares) |  | (14,655) |  |  |  |  |
Tax withholding payment related to net share settlement of equity awards | (975) |  | (975) |  |  |  | (975)
Tax withholding payment related to net share settlement of equity awards (in shares) |  | (12,879) |  |  |  |  |
Stock-based compensation | 2,632 |  | 2,632 |  |  |  | 2,632
Balance at Oct. 27, 2018 | 444,174 | $ 2 | 171,867 | 272,300 | 5 | 2 |
Balance (in shares) at Oct. 27, 2018 |  | 23,928,373 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Oct. 27, 2018 |  |  |  |  |  |  | 444,176
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, Beginning Balance at Jul. 28, 2018 |  |  |  |  |  |  | 437,059
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 6,057 |  |  | 6,057 |  | (7) | 6,050
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  |  | 6,050
Net (income) loss attributable to noncontrolling interest |  |  |  |  |  |  | 7
Foreign currency translation | (11) |  |  |  | (11) |  | (11)
Stock options exercised | 4 |  | 4 |  |  |  | 4
Stock options exercised (in shares) |  | 6,725 |  |  |  |  |
Restricted stock awards (in shares) |  | 1,034 |  |  |  |  |
Restricted stock awards forfeited (in shares) |  | (1,202) |  |  |  |  |
Tax withholding payment related to net share settlement of equity awards | (156) |  | (156) |  |  |  | (156)
Tax withholding payment related to net share settlement of equity awards (in shares) |  | (1,526) |  |  |  |  |
Stock-based compensation | 1,230 |  | 1,230 |  |  |  | 1,230
Balance at Oct. 27, 2018 | 444,174 | $ 2 | 171,867 | 272,300 | 5 | 2 |
Balance (in shares) at Oct. 27, 2018 |  | 23,928,373 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Oct. 27, 2018 |  |  |  |  |  |  | 444,176
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 | 24,611 |  |  | 24,611 |  | (7) | 24,604
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  |  | 24,604
Net (income) loss attributable to noncontrolling interest |  |  |  |  |  |  | 7
Foreign currency translation | 179 |  |  |  | 179 |  | 179
Stock options exercised | 93 |  | 93 |  |  |  | 93
Stock options exercised (in shares) |  | 3,000 |  |  |  |  |
Restricted stock awards (in shares) |  | 65,692 |  |  |  |  |
Restricted stock awards forfeited (in shares) |  | (11,005) |  |  |  |  |
Tax withholding payment related to net share settlement of equity awards | (743) |  | (743) |  |  |  | (743)
Tax withholding payment related to net share settlement of equity awards (in shares) |  | (13,364) |  |  |  |  |
Stock-based compensation | 2,984 |  | 2,984 |  |  |  | 2,984
Balance at Oct. 26, 2019 | 490,360 | $ 2 | 178,550 | 311,627 | 181 | (3) | 490,360
Balance (in shares) at Oct. 26, 2019 |  | 23,990,616 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Oct. 26, 2019 |  |  |  |  |  |  | 490,357
Balance at Jul. 27, 2019 | 481,506 | $ 2 | 177,207 | 304,126 | 171 | (7) |
Balance (in shares) at Jul. 27, 2019 |  | 23,990,459 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Jul. 27, 2019 |  |  |  |  |  |  | 481,499
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 7,501 |  |  | 7,501 |  | 4 | 7,505
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  |  | 7,505
Net (income) loss attributable to noncontrolling interest |  |  |  |  |  |  | (4)
Foreign currency translation | 10 |  |  |  | 10 |  | 10
Restricted stock awards (in shares) |  | 7,831 |  |  |  |  |
Restricted stock awards forfeited (in shares) |  | (6,285) |  |  |  |  |
Tax withholding payment related to net share settlement of equity awards | (75) |  | (75) |  |  |  | (75)
Tax withholding payment related to net share settlement of equity awards (in shares) |  | (1,389) |  |  |  |  |
Stock-based compensation | 1,418 |  | 1,418 |  |  |  | 1,418
Balance at Oct. 26, 2019 | 490,360 | $ 2 | $ 178,550 | 311,627 | $ 181 | $ (3) | 490,360
Balance (in shares) at Oct. 26, 2019 |  | 23,990,616 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Oct. 26, 2019 |  |  |  |  |  |  | 490,357
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Adoption of ASU | $ 665 |  |  | $ 665 |  |  | $ 665

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