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STOCK-BASED COMPENSATION - Activity of Non-Option Awards (Details) - LTIP
 9 Months Ended
Sep. 30, 2022
$ / shares
shares
RSUs and DSUs  
Stock Units  
Non-vested, beginning of year (in shares) | shares 815,062
Granted (in shares) | shares 565,578
Vested (in shares) | shares (628,363)
Forfeited (in shares) | shares (56,764)
Non-vested, end of period (in shares) | shares 695,513
Weighted-Average Grant-Date Fair Value  
Non-vested, beginning of year (in dollars per share) | $ / shares $ 42.18
Granted (in dollars per share) | $ / shares 51.16
Vested (in dollars per share) | $ / shares 42.38
Forfeited (in dollars per share) | $ / shares 39.31
Non-vested, end of period (in dollars per share) | $ / shares $ 49.54
PSUs  
Stock Units  
Non-vested, beginning of year (in shares) | shares 319,367
Granted (in shares) | shares 282,224
Vested (in shares) | shares (163,406)
Forfeited (in shares) | shares (48,892)
Expired (in shares) | shares (41,955)
Non-vested, end of period (in shares) | shares 347,338
Weighted-Average Grant-Date Fair Value  
Non-vested, beginning of year (in dollars per share) | $ / shares $ 57.58
Granted (in dollars per share) | $ / shares 65.65
Vested (in dollars per share) | $ / shares 40.90
Forfeited (in dollars per share) | $ / shares 49.39
Expired (in dollars per share) | $ / shares 22.77
Non-vested, end of period (in dollars per share) | $ / shares $ 77.35
Target amount multiplier 1
PSUs | Minimum  
Weighted-Average Grant-Date Fair Value  
Ratio at which award holders get common stock of the company 0
PSUs | Maximum  
Weighted-Average Grant-Date Fair Value  
Ratio at which award holders get common stock of the company 2