Note 6 - Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Numerator:
Net income	$	121,163	$	124,337	$	330,469	$	318,582
Denominator:
Weighted-average outstanding shares - basic		47,780		46,829		47,501		46,643
Effect of dilutive securities		1,012		1,520		1,233		1,652
Weighted-average outstanding shares - diluted		48,792		48,349		48,734		48,295
Net income per share:
Basic	$	2.54	$	2.66	$	6.96	$	6.83
Diluted	$	2.48	$	2.57	$	6.78	$	6.60