Goodwill and Intangible Assets, net (Tables)

3 Months Ended

Sep. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

Changes in goodwill for the three months ended September 30, 2024 are as follows:

	Employer Services		PEO Services		Total
Balance at June 30, 2024	$	2,348.8	$	4.8	$	2,353.6
Currency translation adjustments	15.4		—		15.4
Balance at September 30, 2024	$	2,364.2	$	4.8	$	2,369.0

Schedule of Components of Finite-Lived Intangible Assets

Components of intangible assets, net, are as follows:

	September 30,		June 30,
	2024		2024
Intangible assets:
Software and software licenses	$	3,874.3	$	3,803.7
Customer contracts and lists	1,192.9		1,181.6
Other intangibles	242.2		242.0
	5,309.4		5,227.3
Less accumulated amortization:
Software and software licenses	(2,707.0)		(2,642.6)
Customer contracts and lists	(1,030.5)		(1,007.6)
Other intangibles	(241.6)		(241.1)
	(3,979.1)		(3,891.3)
Intangible assets, net	$	1,330.3	$	1,336.0

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future amortization expenses of the Company's existing intangible assets are as follows:

	Amount
Nine months ending June 30, 2025	$	327.7
Twelve months ending June 30, 2026	$	265.5
Twelve months ending June 30, 2027	$	195.1
Twelve months ending June 30, 2028	$	152.2
Twelve months ending June 30, 2029	$	124.0
Twelve months ending June 30, 2030	$	86.0