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Net Income Attributable to IPG Photonics Corporation Per Common Share (Tables)
 9 Months Ended
Sep. 30, 2023
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,
2023202220232022
Net income attributable to IPG Photonics Corporation common stockholders$54,994 $76,264 $177,450 $202,804 
Basic weighted average common shares47,236,901 51,628,701 47,363,974 51,449,367 
Dilutive effect of common stock equivalents151,218 108,289 171,661 176,565 
Diluted weighted average common shares47,388,119 51,736,990 47,535,635 51,625,932 
Basic net income attributable to IPG Photonics Corporation per common share$1.16 $1.48 $3.75 $3.94 
Diluted net income attributable to IPG Photonics Corporation per common share$1.16 $1.47 $3.73 $3.93 
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, 2023 and 2022 were as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Non-qualified stock options529,228 672,539 537,065 604,394 
Restricted stock units55,201 373,646 376,382 340,924 
Performance stock units— 91,920 53,470 78,999 
Total weighed average anti-dilutive shares outstanding584,429 1,138,105 966,917 1,024,317