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Accounts Receivable, net | 9 Months Ended
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Jun. 30, 2025
Receivables [Abstract] |
Accounts Receivable, net | 4. Accounts Receivable, net Accounts receivable of $396.2 and $415.2, is net of an allowance for doubtful accounts of $11.0 and $10.0 and includes amounts of retention on incomplete projects to be completed within one year of $58.3 and $65.7 as of June 30, 2025 and September 30, 2024, respectively.

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- Definition The entire disclosure for accounts receivable, contract receivable, receivable held-for-sale, and nontrade receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/310/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/326/tableOfContent + Details
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- References No definition available. + Details
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