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STOCK-BASED COMPENSATION AND STOCK OWNERSHIP PLANS (Schedule of RSU Activity) (Details) - Restricted Stock Units (RSUs)
3 Months Ended
Dec. 31, 2021
$ / shares
shares
Number of RSUs  
Beginning Balance (shares) | shares 69,768
Grants (shares) | shares 19,758
Vested (shares) | shares (22,192)
Ending Balance (shares) | shares 67,334
Weighted Average Grant Price  
Beginning Balance (USD per share) | $ / shares $ 73.60
Grants (USD per share) | $ / shares 101.22
Vested (USD per share) | $ / shares 71.42
Ending Balance (USD per share) | $ / shares $ 82.42