EQUITY-BASED INCENTIVE AWARDS - Omnibus Plans and Stock Options (Details)	6 Months Ended
	Mar. 31, 2022 item $ / shares shares
Omnibus Plans
EQUITY-BASED INCENTIVE AWARD
Number of incentive plans | item	3
Number of shares of the company's common stock permitted for issuance under the plan	195,000
Number of shares awarded pursuant to the plan	111,420
Number of additional shares that may be awarded under the plan	83,580
Stock Options
Number of Shares
Outstanding at the beginning of the period (in shares)	22,250
Exercised (in shares)	(22,250)
Weighted Average Exercise Price
Outstanding at beginning of the period (in dollars per share) | $ / shares	$ 86.76
Exercised (in dollars per share) | $ / shares	$ 86.76