EARNINGS PER SHARE - Reconciliation of Basic and Diluted Earnings Per Share Computations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator for basic and diluted earnings per share:
Net income, basic	$ 133,280	$ 115,766	$ 203,112	$ 188,167
Net income, diluted	$ 133,280	$ 115,766	$ 203,112	$ 188,167
Denominator:
Weighted-average basic shares outstanding (in shares)	53,932	54,092	53,931	54,084
Dilutive effect of outstanding stock awards (in shares)	316	356	300	338
Dilutive shares outstanding (in shares)	54,248	54,448	54,231	54,422
Basic earnings per share (in dollars per share)	$ 2.47	$ 2.14	$ 3.77	$ 3.48
Diluted earnings per share (in dollars per share)	$ 2.46	$ 2.13	$ 3.75	$ 3.46