EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Computation of basic earnings and diluted earnings per share data

Basic earnings and diluted earnings per share data were computed as follows:

	Years Ended December 31,
	2020		2019		2018
Numerator for basic and diluted earnings per share:
Net income	$	194,820	$	146,527	$	147,462
Denominator:
Weighted-average basic common shares outstanding	40,035		38,640		38,445
Assumed conversion of dilutive securities:
Share-based awards	1,491		1,465		1,678
Denominator for diluted earnings per share    - Adjusted weighted-average shares	41,526		40,105		40,123
Earnings per common share:
Basic	$	4.87	$	3.79	$	3.84
Diluted	$	4.69	$	3.65	$	3.68