Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Reconciliation of Federal Statutory Tax Rate to Consolidated Effective Tax Rate (Details)

v3.22.2.2
INCOME TAXES - Reconciliation of Federal Statutory Tax Rate to Consolidated Effective Tax Rate (Details)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Income Tax Disclosure [Abstract]      
Federal statutory tax rate 21.00% 21.00% 21.00%
Effect of state income taxes, net of federal deduction 0.20% 37.50% (1.90%)
Foreign statutory taxes compared to federal statutory rate 1.60% (18.60%) 3.40%
Share-based compensation (1.10%) 24.50% (1.40%)
Termination of SERP 0.00% 28.60% 0.00%
Tax credits 1.20% (26.60%) 1.80%
Sale of SERP-related investments 0.00% 23.80% 0.00%
Goodwill write-down (11.20%) 0.00% (9.40%)
Tax rate differential on net operating loss carryback 0.00% (21.40%) 4.20%
Other (7.50%) 0.20% (0.10%)
Effective tax rate 4.20% 69.00% 17.60%