EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net income	$ 100,756	$ 129,343	$ 325,879	$ 388,605
Denominator (shares in 000's):
Basic weighted average shares outstanding (in shares)	56,565,000	57,320,000	56,749,000	57,465,000
Effect of dilutive securities - Stock options and awards (in shares)	501,000	816,000	600,000	812,000
Diluted weighted average shares outstanding (in shares)	57,066,000	58,136,000	57,349,000	58,277,000
Basic earnings per share (in dollars per share)	$ 1.78	$ 2.26	$ 5.74	$ 6.76
Diluted earnings per share (in dollars per share)	$ 1.77	$ 2.22	$ 5.68	$ 6.67
Anti-dilutive shares excluded from the computation of diluted earnings per share	43,250	19,368	38,665	67,549