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Other Balance Sheet Items (Tables)

9 Months Ended

Jun. 30, 2023

Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]

Schedule of Cash and Cash Equivalents

Table 10.1: Details of Cash and Cash Equivalents and Restricted Cash
			June 30, 2023						September 30, 2022
			(in thousands)
Cash and cash equivalents			$	35,007					$	40,658
Restricted cash			56,686						96,137
Cash, cash equivalents, and restricted cash			$	91,693					$	136,795

Schedule of Restrictions on Cash and Cash Equivalents

Table 10.1: Details of Cash and Cash Equivalents and Restricted Cash
			June 30, 2023						September 30, 2022
			(in thousands)
Cash and cash equivalents			$	35,007					$	40,658
Restricted cash			56,686						96,137
Cash, cash equivalents, and restricted cash			$	91,693					$	136,795

Schedule of Supplementary Cash Flow Information

Table 10.2: Supplemental Disclosures of Cash Flow Information
			For the Nine Months Ended
			June 30, 2023						June 30, 2022
			(in thousands)
Interest payments			$	59,580					$	28,251
Income tax payments			$	60,460					$	64,057

Schedule of Details of Accounts Receivable

Table 10.3: Details of Accounts Receivable, Net
			June 30, 2023						September 30, 2022
			(in thousands)
Billed and billable receivables			$	683,180					$	723,979
Unbilled receivables			120,097						91,404
Allowance for credit losses			(4,768)						(8,273)
Accounts receivable, net			$	798,509					$	807,110

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- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
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Tabular disclosure of the components of cash and cash equivalents.

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Tabular disclosure of supplemental cash flow information for the periods presented.

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Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
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-Topic 942
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-SubTopic 10
-Topic 230
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