Leases (Details) - USD ($)	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021
Leases [Abstract]
Operating Lease, Liability, Current	$ 14,508,000		$ 13,973,000
Finance Lease, Liability, Current	1,260,000		$ 1,033,000
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	11,351,000
Lessee, Operating Lease, Liability, Payments, Due Year Two	11,795,000
Lessee, Operating Lease, Liability, Payments, Due Year Three	8,136,000
Lessee, Operating Lease, Liability, Payments, Due Year Four	5,709,000
Lessee, Operating Lease, Liability, Payments, Due Year Five	3,766,000
Lessee, Operating Lease, Liability, Payments, Due after Year Five	4,759,000
Lessee, Operating Lease, Liability, Payments, Due	45,516,000
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	3,489,000
Operating Lease, Liability	42,027,000
Finance Lease, Liability, Payments, Due Next Twelve Months	967,000
Finance Lease, Liability, Payments, Due Year Two	1,286,000
Finance Lease, Liability, Payments, Due Year Three	1,262,000
Finance Lease, Liability, Payments, Due Year Four	1,059,000
Finance Lease, Liability, Payments, Due Year Five	536,000
Finance Lease, Liability, Payments, Due after Year Five	6,000
Finance Lease, Liability, Payment, Due	5,116,000
Finance Lease, Liability, Undiscounted Excess Amount	413,000
Finance Lease, Liability	4,703,000
Lessee, Total Lease, Liability, Payments, Remainder of Fiscal Year [Line Items]	12,318,000
Total Lease, Liability, Payments, Year Two	13,081,000
Total Lease, Liability, Payments, Year Three	9,398,000
Total Lease, Liability, Payments, Year Four	6,768,000
Total Lease, Liability, Payments, Year Five	4,302,000
Total Lease, Liability, Payments, Due After Year Five	4,765,000
Total Lease, Liability, Payments Due	50,632,000
Total Lease, Liability, Undiscounted Excess Amount	3,902,000
Total Lease, Liability	46,730,000
Lessee, Operating Lease, Lease Not yet Commenced, Description	1,819,000
Operating Lease, Cost	3,287,000	$ 3,246,000
Finance Lease, Right-of-Use Asset, Amortization	176,000	109,000
Finance Lease, Interest Expense	33,000	23,000
Finance Lease, Cost	209,000	132,000
Short-term Lease, Cost	330,000	313,000
Variable Lease, Cost	321,000	289,000
Lease, Cost	4,147,000	3,980,000
Operating Lease, Payments	4,240,000	3,651,000
Finance Lease, Interest Payment on Liability	47,000	23,000
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	6,982,000	7,760,000
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 1,092,000	$ 564,000
Operating Lease, Weighted Average Remaining Lease Term	4 years 3 months 18 days		5 years
Finance Lease, Weighted Average Remaining Lease Term	4 years 2 months 12 days		4 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	3.40%		3.70%
Finance Lease, Weighted Average Discount Rate, Percent	4.20%		4.30%