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SHARE-BASED COMPENSATION AND BENEFIT PLANS (Employee Stock Purchase Plan Activity) (Details) - Employee stock purchase plan [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-Based Compensation and Benefit Plans      
Compensation expense for shares issued under the ESPP $ 3,019 $ 2,824 $ 2,490
Income tax benefit from compensation expense for shares issued under the ESPP $ 752 $ 708 $ 612
Shares awarded or issued under employee benefit plans, shares 36 45 43
Weighted-average grant-date fair value of shares issued during the period in compensation and benefit plans other than stock options $ 473.22 $ 353.04 $ 329.69