Net Income Attributable To IPG Photonics Corporation Per Share (Tables)

9 Months Ended

Sep. 30, 2020

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 share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Net income attributable to IPG Photonics Corporation	$	35,604	$	57,253	$	110,233	$	184,684
Net income attributable to common stockholders	35,604		57,253		110,233		184,684
Weighted average shares	53,098		52,928		53,136		53,073
Dilutive effect of common stock equivalents	566		694		555		791
Diluted weighted average common shares	53,664		53,622		53,691		53,864
Basic net income attributable to IPG Photonics Corporation per share	$	0.67	$	1.08	$	2.07	$	3.48
Basic net income attributable to common stockholders	$	0.67	$	1.08	$	2.07	$	3.48
Diluted net income attributable to IPG Photonics Corporation per share	$	0.66	$	1.07	$	2.05	$	3.43
Diluted net income attributable to common stockholders	$	0.66	$	1.07	$	2.05	$	3.43

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, 2020 and 2019 were as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2020	2019	2020	2019
Non-qualified stock options	528,300	763,000	555,800	578,000
Restricted stock units	28,900	167,200	36,200	149,200
Performance stock units	—	45,500	19,800	40,800
Employee stock purchase plan	5,500	6,100	16,400	18,200
Total weighed average anti-dilutive shares outstanding	562,700	981,800	628,200	786,200