v3.25.1

Equity (Details) - USD ($) $ in Millions	6 Months Ended
Equity (Details) - USD ($) $ in Millions	Mar. 31, 2025	Mar. 31, 2024
Stock-based compensation
Common shares repurchased (in shares)	4,100,000	0
Common shares repurchased, value	$ 309.5
Excise tax percentage	1.00%
Amount remaining available for future stock repurchases	$ 65.8
June 2024 Resolution Adoptions
Stock-based compensation
Stock repurchase programs, authorized amount	400.0
December 2024 Resolution Adoptions
Stock-based compensation
Stock repurchase programs, authorized amount	$ 400.0
Restricted Stock Units (RSUs)
Stock-based compensation
Shares issued (in shares)	356,000
Restricted Stock Units (RSUs) \| Member of Board of Directors
Stock-based compensation
Vesting period	1 year
Restricted Stock Units (RSUs) \| Minimum
Stock-based compensation
Vesting period	1 year
Restricted Stock Units (RSUs) \| Minimum \| Employee
Stock-based compensation
Vesting period	3 years
Restricted Stock Units (RSUs) \| Maximum
Stock-based compensation
Vesting period	4 years
Restricted Stock Units (RSUs) \| Maximum \| Employee
Stock-based compensation
Vesting period	4 years
Performance Shares
Stock-based compensation
Vesting period	3 years
Shares issued (in shares)	154,000
Performance Shares \| Minimum
Stock-based compensation
Vesting rights, percentage	0.00%
Performance Shares \| Maximum
Stock-based compensation
Vesting rights, percentage	200.00%

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MAXIMUS, INC. 10-Q