Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Sep. 30, 2023
Assets:
Amortized Cost	$ 1,426	$ 1,598
Gross Unrealized Loss	(437)	(483)
Gross Unrealized Gain	321	427
Estimated Fair Value	1,310	1,542
Liabilities:
Amortized Cost	1,201
Gross Unrealized Loss	(296)
Gross Unrealized Gain	563
Estimated Fair Value	1,468
Level 1:
Liabilities:
Amortized Cost		1,613
Gross Unrealized Loss		(298)
Gross Unrealized Gain		596
Estimated Fair Value		1,911
Level 1: | Securities Held In Deferred Compensation Plan
Assets:
Amortized Cost	1,426	1,598
Gross Unrealized Loss	(437)	(483)
Gross Unrealized Gain	321	427
Estimated Fair Value	1,310	1,542
Level 1: | Deferred Compensation Plan Liabilities
Liabilities:
Amortized Cost	1,201	1,613
Gross Unrealized Loss	(296)	(298)
Gross Unrealized Gain	563	596
Estimated Fair Value	1,468	$ 1,911
Level 3:
Liabilities:
Amortized Cost	0
Gross Unrealized Loss	0
Gross Unrealized Gain	0
Estimated Fair Value	0
Level 3: | Contingent Consideration
Liabilities:
Amortized Cost	600
Transfer out	(600)
Gross Unrealized Loss	0
Gross Unrealized Gain	0
Estimated Fair Value	$ 600