Other Balance Sheet Items (Tables)
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6 Months Ended |
Mar. 31, 2023 |
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| Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract] |
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| Schedule of Cash and Cash Equivalents |
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| Table 10.1: Details of Cash and Cash Equivalents and Restricted Cash |
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March 31, 2023 |
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September 30, 2022 |
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(in thousands) |
| Cash and cash equivalents |
$ |
56,344 |
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$ |
40,658 |
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| Restricted cash (1) |
62,376 |
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|
96,137 |
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| Cash, cash equivalents, and restricted cash |
$ |
118,720 |
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$ |
136,795 |
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(1)Restricted cash is recorded within "Prepaid expenses and other current assets" on the Consolidated Balance Sheets. At September 30, 2022, this balance included $60.7 million of funds received from a customer which had previously been sold under our Receivables Purchase Agreement; this is offset by a corresponding liability in "Other current liabilities". No similar arrangements existed at March 31, 2023. The remaining balance includes funds held in trust on behalf of certain clients, offset with a corresponding liability in "Other current liabilities", and certain collateral obligations on contracts.
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| Schedule of Restrictions on Cash and Cash Equivalents |
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| Table 10.1: Details of Cash and Cash Equivalents and Restricted Cash |
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March 31, 2023 |
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September 30, 2022 |
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(in thousands) |
| Cash and cash equivalents |
$ |
56,344 |
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$ |
40,658 |
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| Restricted cash (1) |
62,376 |
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|
96,137 |
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| Cash, cash equivalents, and restricted cash |
$ |
118,720 |
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$ |
136,795 |
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(1)Restricted cash is recorded within "Prepaid expenses and other current assets" on the Consolidated Balance Sheets. At September 30, 2022, this balance included $60.7 million of funds received from a customer which had previously been sold under our Receivables Purchase Agreement; this is offset by a corresponding liability in "Other current liabilities". No similar arrangements existed at March 31, 2023. The remaining balance includes funds held in trust on behalf of certain clients, offset with a corresponding liability in "Other current liabilities", and certain collateral obligations on contracts.
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| Schedule of Supplementary Cash Flow Information |
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| Table 10.2: Supplemental Disclosures of Cash Flow Information |
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For the Six Months Ended |
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March 31, 2023 |
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March 31, 2022 |
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(in thousands) |
| Interest payments |
$ |
19,262 |
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$ |
17,755 |
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| Income tax payments |
$ |
31,926 |
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$ |
50,531 |
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| Schedule of Details of Accounts Receivable |
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| Table 10.3: Details of Accounts Receivable, Net |
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March 31, 2023 |
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September 30, 2022 |
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(in thousands) |
| Billed and billable receivables |
$ |
614,907 |
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$ |
723,979 |
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| Unbilled receivables |
134,695 |
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91,404 |
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| Allowance for credit losses |
(7,215) |
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(8,273) |
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| Accounts receivable, net |
$ |
742,387 |
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$ |
807,110 |
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