Accounts Receivable, net |
9 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Receivables [Abstract] | |
| Accounts Receivable, net | 4. Accounts Receivable, net Accounts receivable of $401.0 and $393.1, is net of an allowance for doubtful accounts of $8.4 and $9.8 and includes amounts of retention on incomplete projects to be completed within one year of $54.7 and $58.3 as of June 30, 2026 and September 30, 2025, respectively. |