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Net Income Attributable to IPG Photonics Corporation Per Common Share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Computation of Diluted Net Income Per Share
The following table sets forth the computation of diluted net income attributable to IPG Photonics Corporation per common share following the treasury stock method:
Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
Net income attributable to IPG Photonics Corporation common stockholders$76,264 $75,402 $202,804 $213,329 
Basic weighted average common shares51,628,701 53,387,175 51,449,367 53,500,507 
Dilutive effect of common stock equivalents108,289 446,577 176,565 552,836 
Diluted weighted average common shares51,736,990 53,833,752 51,625,932 54,053,343 
Basic net income attributable to IPG Photonics Corporation per common share$1.48 $1.41 $3.94 $3.99 
Diluted net income attributable to IPG Photonics Corporation per common share$1.47 $1.40 $3.93 $3.95 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share The weighted average anti-dilutive shares outstanding for the three and nine months ended September 30, 2022 and 2021 were as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
Non-qualified stock options672,539 225,684 604,394 202,077 
Restricted stock units373,646 128,402 340,924 100,066 
Performance stock units91,920 30,142 78,999 24,732 
Total weighed average anti-dilutive shares outstanding1,138,105 384,228 1,024,317 326,875