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STOCK COMPENSATION (Details)
$ / shares in Units, $ in Millions
 9 Months Ended
Jun. 30, 2023
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options exercisable (in shares) 0
Weighted Average Fair Value at Grant  
Stock based compensation expense not yet recognized in income | $ $ 8.2
Weighted average remaining period for unrecognized stock based compensation (in years) 1 year 5 months 12 days
Restricted Shares  
Number of Shares  
Nonvested shares outstanding, beginning of period (in shares) 474,348
Granted (in shares) 160,881
Vested (in shares) (209,440)
Forfeited or expired (in shares) (33,293)
Nonvested shares outstanding, end of period (in shares) 392,496
Weighted Average Fair Value at Grant  
Nonvested shares outstanding, beginning of period (in dollars per share) | $ / shares $ 36.52
Granted (in dollars per share) | $ / shares 38.95
Vested (in dollars per share) | $ / shares 36.59
Forfeited or expired (in dollars per share) | $ / shares 48.90
Nonvested shares outstanding, end of period (in dollars per share) | $ / shares $ 36.42
Performance share units  
Number of Shares  
Nonvested shares outstanding, beginning of period (in shares) 96,689
Granted (in shares) 59,115
Vested (in shares) 0
Forfeited or expired (in shares) 0
Nonvested shares outstanding, end of period (in shares) 155,804
Weighted Average Fair Value at Grant  
Nonvested shares outstanding, beginning of period (in dollars per share) | $ / shares $ 42.59
Granted (in dollars per share) | $ / shares 38.94
Vested (in dollars per share) | $ / shares 0
Forfeited or expired (in dollars per share) | $ / shares 0
Nonvested shares outstanding, end of period (in dollars per share) | $ / shares $ 41.20