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Leases (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Sep. 30, 2021
Leases [Abstract] |  |  |  |  |
Operating Lease, Liability, Current | $ 14,919,000 |  | $ 14,919,000 |  | $ 13,973,000
Finance Lease, Liability, Current | 1,998,000 |  | 1,998,000 |  | $ 1,033,000
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months | 8,111,000 |  | 8,111,000 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Two | 13,125,000 |  | 13,125,000 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Three | 9,761,000 |  | 9,761,000 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Four | 6,889,000 |  | 6,889,000 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Five | 4,321,000 |  | 4,321,000 |  |
Lessee, Operating Lease, Liability, Payments, Due after Year Five | 4,806,000 |  | 4,806,000 |  |
Lessee, Operating Lease, Liability, Payments, Due | 47,013,000 |  | 47,013,000 |  |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 4,138,000 |  | 4,138,000 |  |
Operating Lease, Liability | 42,875,000 |  | 42,875,000 |  |
Finance Lease, Liability, Payments, Due Next Twelve Months | 1,024,000 |  | 1,024,000 |  |
Finance Lease, Liability, Payments, Due Year Two | 2,039,000 |  | 2,039,000 |  |
Finance Lease, Liability, Payments, Due Year Three | 2,003,000 |  | 2,003,000 |  |
Finance Lease, Liability, Payments, Due Year Four | 1,714,000 |  | 1,714,000 |  |
Finance Lease, Liability, Payments, Due Year Five | 840,000 |  | 840,000 |  |
Finance Lease, Liability, Payments, Due after Year Five | 92,000 |  | 92,000 |  |
Finance Lease, Liability, Payment, Due | 7,712,000 |  | 7,712,000 |  |
Finance Lease, Liability, Undiscounted Excess Amount | 618,000 |  | 618,000 |  |
Finance Lease, Liability | 7,094,000 |  | 7,094,000 |  |
Lessee, Total Lease, Liability, Payments, Remainder of Fiscal Year [Line Items] | 9,135,000 |  | 9,135,000 |  |
Total Lease, Liability, Payments, Year Two | 15,164,000 |  | 15,164,000 |  |
Total Lease, Liability, Payments, Year Three | 11,764,000 |  | 11,764,000 |  |
Total Lease, Liability, Payments, Year Four | 8,603,000 |  | 8,603,000 |  |
Total Lease, Liability, Payments, Year Five | 5,161,000 |  | 5,161,000 |  |
Total Lease, Liability, Payments, Due After Year Five | 4,898,000 |  | 4,898,000 |  |
Total Lease, Liability, Payments Due | 54,725,000 |  | 54,725,000 |  |
Total Lease, Liability, Undiscounted Excess Amount | 4,756,000 |  | 4,756,000 |  |
Total Lease, Liability | 49,969,000 |  | 49,969,000 |  |
Lessee, Operating Lease, Lease Not yet Commenced, Description | 804,000 |  | 804,000 |  |
Operating Lease, Cost | 3,947,000 | $ 3,287,000 | 12,107,000 | $ 10,337,000 |
Finance Lease, Right-of-Use Asset, Amortization | 435,000 | 176,000 | 1,039,000 | 418,000 |
Finance Lease, Interest Expense | 71,000 | 33,000 | 175,000 | 81,000 |
Finance Lease, Cost | 506,000 | 209,000 | 1,214,000 | 499,000 |
Short-term Lease, Cost | 321,000 | 330,000 | 1,097,000 | 880,000 |
Variable Lease, Cost | 483,000 | 321,000 | 1,439,000 | 954,000 |
Lease, Cost | 5,257,000 | 4,147,000 | 15,857,000 | 12,670,000 |
Operating Lease, Payments | 4,956,000 | 3,401,000 | 14,307,000 | 11,051,000 |
Finance Lease, Interest Payment on Liability | 71,000 | 33,000 | 175,000 | 81,000 |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 2,790,000 | 5,834,000 | 14,289,000 | 20,799,000 |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | $ 1,686,000 | $ 1,032,000 | $ 4,268,000 | $ 1,992,000 |
Operating Lease, Weighted Average Remaining Lease Term | 4 years 2 months 12 days |  | 4 years 2 months 12 days |  | 5 years
Finance Lease, Weighted Average Remaining Lease Term | 4 years |  | 4 years |  | 4 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent | 3.50% |  | 3.50% |  | 3.70%
Finance Lease, Weighted Average Discount Rate, Percent | 4.30% |  | 4.30% |  | 4.30%

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