Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense and Its Net Impact on Basic and Diluted Earnings Per Share

Total stock-based compensation expense and its net impact on basic and diluted earnings per share are as follows:

	Three Months Ended
(in thousands, except per share data)	March 31, 2021		March 31, 2020
Cost of sales:
Maintenance and service	$	3,562	$	2,866
Operating expenses:
Selling, general and administrative	17,223		15,144
Research and development	14,334		12,931
Stock-based compensation expense before taxes	35,119		30,941
Related income tax benefits	(42,625)		(25,906)
Stock-based compensation expense, net of taxes	$	(7,506)	$	5,035
Net impact on earnings per share:
Basic earnings per share	$	0.09	$	(0.06)
Diluted earnings per share	$	0.09	$	(0.06)