Intangible Assets, Net (Tables)

12 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Table 8.1: Details of Intangible Assets, Net
	As of September 30,
	2021						2020
	Cost		Accumulated Amortization		Intangible Assets, Net		Cost		Accumulated Amortization		Intangible Assets, Net
	(in thousands)
Customer contracts and relationships	$	928,069	$	131,081	$	796,988	$	235,287	$	90,302	$	144,985
VES Provider network	57,000		1,583		55,417		—		—		—
Technology-based intangible assets	32,307		5,544		26,763		5,631		4,723		908
Trademarks and trade names	4,503		4,503		—		4,479		4,479		—
Total	$	1,021,879	$	142,711	$	879,168	$	245,397	$	99,504	$	145,893

Table 8.2: Details of Weighted Average Remaining Lives
	As of September 30, 2021
Customer contracts and relationships	10.9 years
VES Provider network	11.7 years
Technology-based intangible assets	11.5 years
Total	10.8 years

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Table 8.3: Details of Future Amortization Expense of Intangible Assets, Net
	As of September 30, 2021
	(in thousands)
Year ended September 30, 2022	$	82,937
Year ended September 30, 2023	82,922
Year ended September 30, 2024	82,798
Year ended September 30, 2025	82,595
Year ended September 30, 2026	82,473
Thereafter	465,443
Total (1)	$	879,168

(1)This table does not include any estimated future amortization expense of intangible assets associated with the Aidvantage business acquired on October 6, 2021. Refer to Footnote 22 - Subsequent Events for more details on this acquisition.