NET INCOME PER SHARE (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Reconciliation of the weighted average number of shares outstanding used in calculating diluted earnings per share

A reconciliation of the weighted-average number of shares outstanding used in calculating diluted net income per share is as follows (in thousands): 

	Year Ended December 31,
	2022	2021	2020
Weighted-average number of basic common shares outstanding	39,872	41,042	40,974
Weighted-average dilutive stock options, restricted stock units and performance share units	151	209	158
Assumed conversion of convertible senior notes	29	111	28
Weighted-average number of diluted common and common equivalent shares outstanding	40,052	41,362	41,160