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Leases (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Sep. 30, 2023
Leases [Abstract] |  |  |  |  |
Operating Lease, Liability, Current | $ 20,488 |  | $ 20,488 |  | $ 19,496
Finance Lease, Liability, Current | 4,646 |  | 4,646 |  | $ 4,301
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months | 5,650 |  | 5,650 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Two | 20,361 |  | 20,361 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Three | 16,544 |  | 16,544 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Four | 11,507 |  | 11,507 |  |
Lessee, Operating Lease, Liability, Payments, Due Year Five | 6,403 |  | 6,403 |  |
Lessee, Operating Lease, Liability, Payments, Due after Year Five | 5,936 |  | 5,936 |  |
Lessee, Operating Lease, Liability, Payments, Due | 66,401 |  | 66,401 |  |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 7,198 |  | 7,198 |  |
Operating Lease, Liability | 59,203 |  | 59,203 |  |
Finance Lease, Liability, Payments, Due Next Twelve Months | 1,204 |  | 1,204 |  |
Finance Lease, Liability, Payments, Due Year Two | 4,614 |  | 4,614 |  |
Finance Lease, Liability, Payments, Due Year Three | 3,828 |  | 3,828 |  |
Finance Lease, Liability, Payments, Due Year Four | 2,039 |  | 2,039 |  |
Finance Lease, Liability, Payments, Due Year Five | 301 |  | 301 |  |
Finance Lease, Liability, Payments, Due after Year Five | 46 |  | 46 |  |
Finance Lease, Liability, Payment, Due | 12,032 |  | 12,032 |  |
Finance Lease, Liability, Undiscounted Excess Amount | 927 |  | 927 |  |
Finance Lease, Liability | 11,105 |  | 11,105 |  |
Lessee, Total Lease, Liability, Payments, Remainder of Fiscal Year [Line Items] | 6,854 |  | 6,854 |  |
Total Lease, Liability, Payments, Year Two | 24,975 |  | 24,975 |  |
Total Lease, Liability, Payments, Year Three | 20,372 |  | 20,372 |  |
Total Lease, Liability, Payments, Year Four | 13,546 |  | 13,546 |  |
Total Lease, Liability, Payments, Year Five | 6,704 |  | 6,704 |  |
Total Lease, Liability, Payments, Due After Year Five | 5,982 |  | 5,982 |  |
Total Lease, Liability, Payments Due | 78,433 |  | 78,433 |  |
Total Lease, Liability, Undiscounted Excess Amount | 8,125 |  | 8,125 |  |
Total Lease, Liability | 70,308 |  | 70,308 |  |
Lessee, Operating Lease, Lease Not yet Commenced, Description | 8,704 |  | 8,704 |  |
Operating Lease, Cost | 5,405 | $ 4,524 | 16,819 | $ 13,857 |
Finance Lease, Right-of-Use Asset, Amortization | 1,073 | 865 | 3,207 | 2,551 |
Finance Lease, Interest Expense | 206 | 180 | 605 | 546 |
Finance Lease, Cost | 1,279 | 1,045 | 3,812 | 3,097 |
Short-term Lease, Cost | 434 | 599 | 1,244 | 1,701 |
Variable Lease, Cost | 1,011 | 812 | 3,092 | 1,886 |
Lease, Cost | 8,129 | 6,980 | 24,967 | 20,541 |
Operating Lease, Payments | 6,088 | 5,856 | 18,152 | 17,674 |
Finance Lease, Interest Payment on Liability | 207 | 180 | 605 | 546 |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 5,116 | 5,119 | 12,691 | 14,310 |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | $ 284 | $ 981 | $ 1,268 | $ 5,807 |
Operating Lease, Weighted Average Remaining Lease Term | 3 years 10 months 24 days |  | 3 years 10 months 24 days |  | 4 years 6 months
Finance Lease, Weighted Average Remaining Lease Term | 2 years 10 months 24 days |  | 2 years 10 months 24 days |  | 3 years 4 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent | 5.40% |  | 5.40% |  | 5.10%
Finance Lease, Weighted Average Discount Rate, Percent | 6.30% |  | 6.30% |  | 6.00%
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating Lease, Liability, Current | $ 20,488 |  | $ 20,488 |  | $ 19,496
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accounts payable and accrued expenses |  | Accounts payable and accrued expenses |  |
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accounts payable and accrued expenses |  | Accounts payable and accrued expenses |  |
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other non-current liabilities |  | Other non-current liabilities |  |
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other non-current assets |  | Other non-current assets |  |

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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-1 + Details
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- Definition Indicates line item in statement of financial position that includes current operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-2 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Weighted average discount rate for operating lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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