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SUPPLEMENTAL BALANCE SHEET INFORMATION | 12 Months Ended
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Sep. 30, 2025
Balance Sheet Related Disclosures [Abstract] |
SUPPLEMENTAL BALANCE SHEET INFORMATION |
NOTE 15 SUPPLEMENTAL BALANCE SHEET INFORMATION
The following reflects the activity in our allowance for expected credit losses on trade receivables for fiscal years 2025, 2024 and 2023:
| Year Ended September 30,
(in thousands) | 2025 |  | 2024 |  | 2023
Allowance for credit losses: |  |  |  |  |
Balance at October 1, | $ | 2,977 |  |  | $ | 2,688 |  |  | $ | 2,975 |
Acquisition of KCA Deutag 1 | 13,094 |  |  | — |  |  | — |
Provision for credit loss | 765 |  |  | 289 |  |  | 534 |
(Write-off) recovery of credit loss | 2,811 |  |  | — |  |  | (821) |
Balance at September 30, | $ | 19,647 |  |  | $ | 2,977 |  |  | $ | 2,688 |
(1)Allowance for credit losses acquired in the KCA Deutag Acquisition were measured at fair value at the Acquisition Date. Refer to Note 3—Business Combination for additional information regarding the Acquisition. Accounts receivable, prepaid expenses and other current assets, net, accrued liabilities and noncurrent liabilities —other at September 30, 2025 and 2024 consist of the following:
| Year Ended September 30,
(in thousands) | 2025 |  | 2024
Accounts receivable, net of allowance: |  |  |
Trade receivables | $ | 752,808 |  |  | $ | 418,586 |
Income tax receivable | 29,836 |  |  | 18 |
Total accounts receivable, net of allowance | $ | 782,644 |  |  | $ | 418,604 |
Prepaid expenses and other current assets, net: |  |  |
Deferred mobilization | $ | 20,291 |  |  | $ | 8,329 |
Prepaid insurance | 14,855 |  |  | 10,277 |
Prepaid value added tax | 19,263 |  |  | 5,644 |
Prepaid maintenance and rent | 16,888 |  |  | 12,802 |
Accrued demobilization, net | 4,969 |  |  | 4,563 |
Prepaid equipment | 1,516 |  |  | 23,249 |
Insurance recoverable | 4,486 |  |  | 6,706 |
Other | 15,250 |  |  | 4,849 |
Total prepaid expenses and other current assets, net | $ | 97,518 |  |  | $ | 76,419 |
Accrued liabilities: |  |  |
Accrued operating costs | $ | 116,743 |  |  | $ | 60,179 |
Payroll, benefits, and restructuring costs | 174,974 |  |  | 86,855 |
Taxes payable, other than income tax | 74,007 |  |  | 36,339 |
Self-insurance liabilities | 39,067 |  |  | 41,040 |
Deferred income | 38,083 |  |  | 10,432 |
Deferred mobilization revenue | 21,740 |  |  | 8,626 |
Accrued income taxes | 11,871 |  |  | 7,020 |
Interest payable | 21,898 |  |  | 2,690 |
Operating lease liability | 35,960 |  |  | 16,997 |
Litigation and claims | 6,417 |  |  | 5,881 |
Other | 24,095 |  |  | 10,782 |
Total accrued liabilities | $ | 564,855 |  |  | $ | 286,841 |
Noncurrent liabilities — Other: |  |  |
Other non-qualified retirement plans | $ | 22,747 |  |  | $ | 21,753 |
Self-insurance liabilities | 81,726 |  |  | 41,040 |
Deferred revenue | 30,121 |  |  | 10,123 |
Uncertain tax positions including interest and penalties | 23,948 |  |  | 790 |
Operating lease liability | 110,120 |  |  | 59,733 |
Other | 1,954 |  |  | 171 |
Total noncurrent liabilities — other | $ | 270,616 |  |  | $ | 133,610 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/210/tableOfContent + Details
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