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Net Income Attributable To IPG Photonics Corporation Per Share (Tables)
 12 Months Ended
Dec. 31, 2019
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,
 201920182017
Net income attributable to IPG Photonics Corporation$180,234  $404,027  $347,614  
Net income attributable to common stockholders180,234  404,027  347,614  
Weighted average shares53,061  53,522  53,495  
Dilutive effect of common stock equivalents778  1,204  1,204  
Diluted weighted average common shares53,839  54,726  54,699  
Basic net income attributable to IPG Photonics Corporation per share$3.40  $7.55  $6.50  
Basic net income attributable to common stockholders$3.40  $7.55  $6.50  
Diluted net income attributable to IPG Photonics Corporation per share$3.35  $7.38  $6.36  
Diluted net income attributable to common stockholders$3.35  $7.38  $6.36