Supplemental Disclosure of Cash Flow Information - Schedule of Cash Flow, Supplemental Disclosures (Details) - USD ($) $ in Thousands	6 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest, net of amounts capitalized	$ 7,890	$ 7,877
Cash paid for income taxes	1,619	2,510
Noncash investing and financing transactions:
Debt incurred in connection with acquisition of businesses	5,000	0
Note receivable from sale of businesses and assets	60	0
Unpaid excise tax on stock repurchases	62	35
Unpaid liabilities on capital expenditures	$ 1,170	$ 1,244

Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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