Maximus, Inc. Annual report pursuant to Section 13 and 15(d)

Intangible Assets, Net - Components of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,021,879	$ 245,397
Accumulated Amortization	142,711	99,504
Intangible Assets, Net	879,168	145,893
Customer contracts and relationships
Finite-Lived Intangible Assets [Line Items]
Cost	928,069	235,287
Accumulated Amortization	131,081	90,302
Intangible Assets, Net	796,988	144,985
VES Provider network
Finite-Lived Intangible Assets [Line Items]
Cost	57,000	0
Accumulated Amortization	1,583	0
Intangible Assets, Net	55,417	0
Technology-based intangible assets
Finite-Lived Intangible Assets [Line Items]
Cost	32,307	5,631
Accumulated Amortization	5,544	4,723
Intangible Assets, Net	26,763	908
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Cost	4,503	4,479
Accumulated Amortization	4,503	4,479
Intangible Assets, Net	$ 0	$ 0