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Leases (Notes)

12 Months Ended

Sep. 30, 2025

Leases [Abstract]

Lessee, Finance Leases

9.  LEASES

We enter into various contractual arrangements for the right to use facilities, vehicles and equipment. The lease term generally ranges from two to ten years for facilities and three to five years for vehicles and equipment. Our lease terms may include the exercise of renewal or termination options when it is reasonably certain these options will be exercised. Our lease agreements do not contain any material residual value guarantees or restrictive covenants.

Current operating lease liabilities were $26,128 and $21,981, respectively, as of September 30, 2025 and 2024, and current finance lease liabilities were $4,198 and $4,563, respectively, as of September 30, 2025 and 2024. Current operating and finance lease liabilities were included in "Accounts payable and accrued expenses" in the Consolidated Balance Sheets as of September 30, 2025 and 2024. Non-current finance lease liabilities and finance lease right-of-use assets were included in the "Other non-current liabilities" and "Other non-current assets", respectively, in the Consolidated Balance Sheets.

The maturities of our lease liabilities as of September 30, 2025, are as follows:

			Operating Leases						Finance Leases						Total
2026			$	26,708					$	4,351					$	31,059
2027			21,713						2,607						24,320
2028			15,827						867						16,694
2029			11,340						361						11,701
2030			6,952						68						7,020
Thereafter			18,750						—						18,750
Total undiscounted lease payments			$	101,290					$	8,254					$	109,544
Less: imputed interest			13,195						660						13,855
Present value of lease liabilities			$	88,095					$	7,594					$	95,689

The total future undiscounted cash flows related to lease agreements committed to but not yet commenced as of September 30, 2025, is $5,959.

Lease cost recognized in our Consolidated Statements of Comprehensive Income is summarized as follows:

			Year Ended September 30,
			2025						2024						2023
Operating lease cost			$	25,040					$	21,933					$	18,501
Finance lease cost
Amortization of lease assets			4,381						4,370						3,603
Interest on lease liabilities			529						553						746
Finance lease cost			4,910						4,923						4,349
Short-term lease cost			2,109						1,558						1,883
Variable lease cost			6,784						4,518						2,805
Total lease cost			$	38,843					$	32,932					$	27,538

Other information about lease amounts recognized in our Consolidated Financial Statements is summarized as follows:

			Year Ended September 30,
			2025						2024						2023
Operating cash flows used for operating leases			$	27,407					$	24,381					$	22,022
Operating cash flows used for finance leases			529						553						746
Right-of-use assets obtained in exchange for new operating lease liabilities			38,211						21,795						27,491
Right-of-use assets obtained in exchange for new finance lease liabilities			1,751						1,678						5,973

			Year Ended September 30,
			2025						2024
Weighted-average remaining lease term - operating leases			5.6 years						3.8 years
Weighted-average remaining lease term - finance leases			2.3 years						2.7 years
Weighted-average discount rate - operating leases			5.1		%				5.5		%
Weighted-average discount rate - finance leases			5.7		%				6.2		%

For a discussion of leases with certain related parties which are included above, see Note 13, “Related-Party Transactions.”

Rent expense was $27,149, $23,491 and $20,384 for the years ended September 30, 2025, 2024 and 2023, respectively.

Lessee, Operating Leases

9.  LEASES

We enter into various contractual arrangements for the right to use facilities, vehicles and equipment. The lease term generally ranges from two to ten years for facilities and three to five years for vehicles and equipment. Our lease terms may include the exercise of renewal or termination options when it is reasonably certain these options will be exercised. Our lease agreements do not contain any material residual value guarantees or restrictive covenants.

Current operating lease liabilities were $26,128 and $21,981, respectively, as of September 30, 2025 and 2024, and current finance lease liabilities were $4,198 and $4,563, respectively, as of September 30, 2025 and 2024. Current operating and finance lease liabilities were included in "Accounts payable and accrued expenses" in the Consolidated Balance Sheets as of September 30, 2025 and 2024. Non-current finance lease liabilities and finance lease right-of-use assets were included in the "Other non-current liabilities" and "Other non-current assets", respectively, in the Consolidated Balance Sheets.

The maturities of our lease liabilities as of September 30, 2025, are as follows:

			Operating Leases						Finance Leases						Total
2026			$	26,708					$	4,351					$	31,059
2027			21,713						2,607						24,320
2028			15,827						867						16,694
2029			11,340						361						11,701
2030			6,952						68						7,020
Thereafter			18,750						—						18,750
Total undiscounted lease payments			$	101,290					$	8,254					$	109,544
Less: imputed interest			13,195						660						13,855
Present value of lease liabilities			$	88,095					$	7,594					$	95,689

The total future undiscounted cash flows related to lease agreements committed to but not yet commenced as of September 30, 2025, is $5,959.

Lease cost recognized in our Consolidated Statements of Comprehensive Income is summarized as follows:

			Year Ended September 30,
			2025						2024						2023
Operating lease cost			$	25,040					$	21,933					$	18,501
Finance lease cost
Amortization of lease assets			4,381						4,370						3,603
Interest on lease liabilities			529						553						746
Finance lease cost			4,910						4,923						4,349
Short-term lease cost			2,109						1,558						1,883
Variable lease cost			6,784						4,518						2,805
Total lease cost			$	38,843					$	32,932					$	27,538

Other information about lease amounts recognized in our Consolidated Financial Statements is summarized as follows:

			Year Ended September 30,
			2025						2024						2023
Operating cash flows used for operating leases			$	27,407					$	24,381					$	22,022
Operating cash flows used for finance leases			529						553						746
Right-of-use assets obtained in exchange for new operating lease liabilities			38,211						21,795						27,491
Right-of-use assets obtained in exchange for new finance lease liabilities			1,751						1,678						5,973

			Year Ended September 30,
			2025						2024
Weighted-average remaining lease term - operating leases			5.6 years						3.8 years
Weighted-average remaining lease term - finance leases			2.3 years						2.7 years
Weighted-average discount rate - operating leases			5.1		%				5.5		%
Weighted-average discount rate - finance leases			5.7		%				6.2		%

For a discussion of leases with certain related parties which are included above, see Note 13, “Related-Party Transactions.”

Rent expense was $27,149, $23,491 and $20,384 for the years ended September 30, 2025, 2024 and 2023, respectively.

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- Definition

The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability.

+ References

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-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability.

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-Topic 842
-SubTopic 20
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-URI https://asc.fasb.org/842-20/tableOfContent

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