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Joint Venture (Tables) | 9 Months Ended
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Mar. 31, 2018
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Stockholders Equity | The changes in total stockholders' equity and noncontrolling interest were as follows (in thousands):
|  | Total AOS Stockholders' Equity |  | Noncontrolling Interest |  | Total Equity
Balance, June 30, 2017 |  | $ | 270,770 |  |  | $ | 27,779 |  |  | $ | 298,549 |
Exercise of common stock options and release of RSUs |  | 1,352 |  |  | — |  |  | 1,352 |
Reissuance of treasury stock upon exercise of common stock options and release of RSUs |  | (91 | ) |  | — |  |  | (91 | )
Withholding tax on restricted stock units |  | (2,248 | ) |  | — |  |  | (2,248 | )
Issuance of shares under ESPP |  | 1,439 |  |  | — |  |  | 1,439 |
Repurchase of common shares under shares repurchase program |  | (12,016 | ) |  | — |  |  | (12,016 | )
Stock-based compensation expense |  | 8,477 |  |  | — |  |  | 8,477 |
Net income (loss) |  | 13,242 |  |  | (5,269 | ) |  | 7,973 |
Deferred tax asset related to ASU 2016-16 adoption |  | (5,480 | ) |  | — |  |  | (5,480 | )
Cumulative translation adjustment |  | 4,848 |  |  | 4,398 |  |  | 9,246 |
Contributions from noncontrolling interest |  | — |  |  | 128,994 |  |  | 128,994 |
Balance, March 31, 2018 |  | $ | 280,293 |  |  | $ | 155,902 |  |  | $ | 436,195 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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