Stock-Based Compensation - Stock Option Plans (Details) - Employee Stock Option [Member] - USD ($) $ / shares in Units, $ in Thousands						12 Months Ended
	Jun. 16, 2023	Feb. 07, 2023	Nov. 22, 2022	Nov. 23, 2021	Nov. 24, 2020	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021	Feb. 25, 2022
Information relating to stock options
Expiration period						10 years
Vesting of awards per year (as a percent)						33.33%
Award vesting period						3 years
Fair value assumptions
Fair Value (in dollars per share)	$ 20.82	$ 22.70	$ 20.52	$ 15.02	$ 5.91
Dividend Yield (as a percent)	1.70%	1.65%	1.80%	2.00%	3.89%
Risk-Free Interest Rate (as a percent)	3.91%	3.81%	3.97%	1.22%	0.39%
Expected Volatility (as a percent)	48.00%	51.00%	51.00%	45.00%	43.00%
Expected Life	5 years	5 years	5 years	5 years	5 years
Stock-based employee compensation expense						$ 650	$ 937	$ 1,180
Remaining unrecognized compensation expense						$ 686
Weighted average period for recognition						1 year 29 days
Activity under stock option plans, number of shares
Outstanding at beginning of the period (in shares)						697,220
Granted (in shares)						32,985
Exercised (in shares)						(218,576)
Surrendered (in share)						(13,081)
Outstanding at end of the period (in shares)						498,548	697,220
Vested or expected to vest (in shares)						479,274
Exercisable at end of period (in shares)						399,672
Outstanding at end of period, Aggregate Intrinsic Value						$ 6,346
Vested or expected to vest, Aggregate Intrinsic Value						6,046
Exercisable at end of the period, Aggregate Intrinsic Value						$ 5,313
Weighted Average Exercise Prices
Outstanding at beginning of the period (in dollars per share)						$ 34.75
Granted (in dollars per share)						49.08
Exercised (in dollars per share)						37.90
Surrendered (in dollars per share)						47.96
Outstanding at end of period (in dollars per share)						33.96	$ 34.75
Vested or expected to vest (in dollars per share)						34.07
Exercisable at end of the period (in dollars per share)						$ 33.23
Outstanding at end of the period, Weighted Average Remaining Contractual Life						6 years 3 months 3 days
Vested or expected to vest, Weighted Average Remaining Contractual Life						6 years 2 months 12 days
Exercisable at end of the period, Weighted Average Remaining Contractual Life						5 years 9 months 18 days
2020 Incentive Compensation Plan
Information relating to stock options
Number of shares authorized						350,000			400,000