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SHARE-BASED COMPENSATION PLANS (long-term incentive plan and share-based compensation expense) (Details)
$ in Thousands, shares in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Apr. 29, 2020
shares
Share-based compensation plans [Line Items]        
Common stock reserved for issuance | shares       5.0
Common stock available for issuance | shares 3.3      
Full value awards factor (in ones)       2.23
Share-based compensation expense $ 29,477 $ 21,824 $ 19,702  
Income tax benefit (7,714) (5,779) (5,350)  
Compensation expense not yet recognized for unvested awards $ 35,860      
Weighted-average period over which expense for unvested awards will be recognized 2 years 1 month 6 days      
Restricted shares and restricted stock units [Member]        
Share-based compensation plans [Line Items]        
Share-based compensation expense $ 20,407 15,066 13,411  
Performance share unit awards [Member]        
Share-based compensation plans [Line Items]        
Share-based compensation expense 4,338 2,590 2,907  
Stock options [Member]        
Share-based compensation plans [Line Items]        
Share-based compensation expense 4,187 3,689 2,954  
Employee stock purchase plan [Member]        
Share-based compensation plans [Line Items]        
Share-based compensation expense $ 545 $ 479 $ 430