Subsequent Events	12 Months Ended
Sep. 30, 2024
Subsequent Events [Abstract]
Subsequent Events	18. Subsequent events Commencing with the first quarter of fiscal 2025, which began on October 1, 2024, the Company adopted a revised segment presentation whereby certain expenses currently classified as "Corporate", including corporate executive compensation, finance, legal and information technology, will be instead allocated to its two reportable segments, Maintenance Services and Development Services, on a pro rata basis, based on segment revenue. The changes to the Company's segment reporting will be reflected beginning with its Quarterly Report on Form 10-Q for the quarter ending December 31, 2024.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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