EARNINGS PER SHARE (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator (basic and diluted):
Net income	$ 516,885	$ 481,880
Denominator:
Denominator for basic earnings per share - weighted-average shares	61,840	66,572
Effect of stock options	558	618
Denominator for diluted earnings per share - weighted-average shares and assumed conversion	62,398	67,190
Earnings per share - basic	$ 8.36	$ 7.24
Earnings per share - assuming dilution	$ 8.28	$ 7.17
Antidilutive stock options	149	115
Weighted-average exercise price per share of antidilutive stock options	$ 725.14	$ 657.14