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Net Income Attributable To IPG Photonics Corporation Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of diluted net income attributable to IPG Photonics Corporation per share:
| Year Ended December 31, |  |  |  |
| 2018 |  | 2017 |  | 2016
Net income attributable to IPG Photonics Corporation | $ | 404,027 |  | $ | 347,614 |  | $ | 260,752
Net income attributable to common stockholders | 404,027 |  | 347,614 |  | 260,752
Weighted average shares | 53,522 |  | 53,495 |  | 53,068
Dilutive effect of common stock equivalents | 1,204 |  | 1,204 |  | 729
Diluted weighted average common shares | 54,726 |  | 54,699 |  | 53,797
Basic net income attributable to IPG Photonics Corporation per share | $ | 7.55 |  | $ | 6.50 |  | $ | 4.91
Basic net income attributable to common stockholders | $ | 7.55 |  | $ | 6.50 |  | $ | 4.91
Diluted net income attributable to IPG Photonics Corporation per share | $ | 7.38 |  | $ | 6.36 |  | $ | 4.85
Diluted net income attributable to common stockholders | $ | 7.38 |  | $ | 6.36 |  | $ | 4.85

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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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