Stock-Based Compensation - Stock Option Plans (Details) - Employee and Directors Stock Options - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Nov. 23, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Fair value assumptions
Fair Value (in dollars per share)	$ 15.02
Dividend Yield (as a percent)	2.00%
Risk-Free Interest Rate (as a percent)	1.22%
Expected Volatility (as a percent)	45.00%
Expected Life	5 years
Stock-based employee compensation expense		$ 231	$ 301	$ 768	$ 882
Remaining unrecognized compensation expense		$ 886		$ 886
Weighted average period for recognition				1 year 2 months 23 days
Activity under stock option plans, number of shares
Outstanding at beginning of the period (in shares)				702,576
Granted (in shares)				42,080
Exercised (in shares)				(9,558)
Canceled (in shares)				(22,478)
Outstanding at end of the period (in shares)		712,620		712,620
Vested or expected to vest (in shares)		647,629		647,629
Exercisable at end of period (in shares)		549,696		549,696
Outstanding at end of period, Aggregate Intrinsic Value		$ 1,596		$ 1,596
Vested or expected to vest, Aggregate Intrinsic Value		1,438		1,438
Exercisable at end of the period, Aggregate Intrinsic Value		$ 640		$ 640
Weighted Average Exercise Prices
Outstanding at beginning of the period (in dollars per share)				$ 34.68
Granted (in dollars per share)				44.07
Exercised (in dollars per share)				36.35
Canceled (in dollars per share)				42.32
Outstanding at end of period (in dollars per share)		$ 34.97		34.97
Vested or expected to vest (in dollars per share)		34.97		34.97
Exercisable at end of the period (in dollars per share)		$ 36.33		$ 36.33
Outstanding at end of the period, Weighted Average Remaining Contractual Life				6 years 3 months 29 days
Vested or expected to vest, Weighted Average Remaining Contractual Life				4 years 1 month 17 days
Exercisable at end of the period, Weighted Average Remaining Contractual Life				5 years 8 months 12 days