Note 6 - Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Numerator:
Net income	$	99,504	$	114,679	$	209,306	$	194,245
Denominator:
Weighted-average outstanding shares - basic		47,489		46,675		47,361		46,550
Effect of dilutive securities		1,267		1,611		1,344		1,718
Weighted-average outstanding shares - diluted		48,756		48,286		48,705		48,268
Net income per share:
Basic	$	2.10	$	2.46	$	4.42	$	4.17
Diluted	$	2.04	$	2.37	$	4.30	$	4.02