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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2020
EARNINGS PER SHARE |
Reconciliation of weighted-average shares outstanding used in calculation of basic and diluted EPS | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30, | ​
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019 | ​
Income from continuing operations | ​ | $ | 45,613 | ​ | $ | 7,256 | ​ | $ | 93,290 | ​ | $ | 46,016 | ​
Income from continuing operations attributable to noncontrolling interest | ​ |  | 36 | ​ |  | 10 | ​ |  | 35 | ​ |  | 29 | ​
Income from continuing operations attributable to Advanced Energy Industries, Inc. | ​ | $ | 45,577 | ​ | $ | 7,246 | ​ | $ | 93,255 | ​ | $ | 45,987 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic weighted-average common shares outstanding | ​ |  | 38,325 | ​ |  | 38,313 | ​ |  | 38,322 | ​ |  | 38,258 | ​
Assumed exercise of dilutive stock options and restricted stock units | ​ |  | 203 | ​ |  | 176 | ​ |  | 209 | ​ |  | 199 | ​
Diluted weighted-average common shares outstanding | ​ |  | 38,528 | ​ |  | 38,489 | ​ |  | 38,531 | ​ |  | 38,457 | ​
Continuing operations: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​
Basic earnings per share | ​ | $ | 1.19 | ​ | $ | 0.19 | ​ | $ | 2.43 | ​ | $ | 1.20 | ​
Diluted earnings per share | ​ | $ | 1.18 | ​ | $ | 0.19 | ​ | $ | 2.42 | ​ | $ | 1.20 | ​
Schedule of stock options and restricted units excluded in computation of diluted EPS | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30, | ​
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019 | ​
Restricted stock units |  | — |  | 4 |  | — |  | 1 |
Schedule of repurchase of shares of common stock | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30, | ​
(in thousands, except per share amounts) |  | 2020 |  | 2019 |  | 2020 |  | 2019 | ​
Amount paid to repurchase shares | ​ | $ | 4,331 | ​ | $ | — | ​ | $ | 11,579 | ​ | $ | — | ​
Number of shares repurchased | ​ |  | 73 | ​ |  | — | ​ |  | 243 | ​ |  | — | ​
Average repurchase price per share | ​ | $ | 59.70 | ​ | $ | — | ​ | $ | 47.70 | ​ | $ | — | ​

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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