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SHARE-BASED PAYMENTS SHARE-BASED PAYMENTS (Tables)
 12 Months Ended
Dec. 31, 2022
Restricted Stock Units Activity  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Activity The following tables set forth activity and various statistics for our restricted stock unit awards:
Number of
Units		Weighted
Average Price
Nonvested December 31, 2021779,937 $59.02 
Granted323,048 $60.96 
Released to participants(222,254)$64.98 
Forfeited(47,997)$57.07 
Nonvested December 31, 2022832,734 $58.30 
 202220212020
Weighted-average grant date fair value (per share)$60.96 $46.84 $76.49 
Fair value of units granted (thousands of dollars)$19,693 $19,542 $16,552 
Grant date fair value of units vested (thousands of dollars)$14,442 $12,519 $11,204 
Performance-Unit Activity  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Activity The following tables set forth activity and various statistics related to the performance unit awards and the assumptions used in the valuations at the respective grant dates:
Number of
Units		Weighted
Average Price
Nonvested December 31, 2021976,585 $72.73 
Granted399,315 $79.05 
Released to participants(267,538)$76.49 
Forfeited(62,656)$73.22 
Nonvested December 31, 20221,045,706 $74.15 
 202220212020
Volatility (a)61.10%60.30%21.70%
Dividend yield6.15%8.13%4.87%
Risk-free interest rate1.78%0.21%1.39%
(a) - Volatility was based on historical volatility over three years using daily stock price observations.
 202220212020
Weighted-average grant date fair value (per share)$79.05 $62.03 $88.43 
Fair value of units granted (thousands of dollars)$31,566 $33,632 $25,028 
Grant date fair value of units vested (thousands of dollars)$20,464 $19,962 $17,722