Goodwill And Intangible Assets, Net (Tables)

12 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

Changes in goodwill for the fiscal years ended June 30, 2025 and 2024 are as follows:

	Employer Services		PEO Services		Total
Balance at June 30, 2023	$	2,334.6	$	4.8	$	2,339.4
Additions and other adjustments	24.4		—		24.4
Currency translation adjustments	(10.2)		—		(10.2)
Balance at June 30, 2024	$	2,348.8	$	4.8	$	2,353.6
Additions and other adjustments	887.0		—		887.0
Currency translation adjustments	32.9		—		32.9
Balance at June 30, 2025	$	3,268.7	$	4.8	$	3,273.5

Schedule of Finite-Lived Intangible Assets

The estimated fair value of intangible assets and related useful lives as included in the estimated purchase price allocation include:

	Estimated Fair Value		Estimated Useful Life (in years)
Technology	$	115.0	7
Customer/Partner relationships	$	170.0	8
Tradename	$	7.0	4

Components of intangible assets, net, are as follows:

June 30,	2025		2024
Intangible assets:
Software and software licenses	$	4,103.6	$	3,803.7
Customer contracts and lists	1,429.4		1,181.6
Other intangibles	249.8		242.0
	5,782.8		5,227.3
Less accumulated amortization:
Software and software licenses	(2,830.3)		(2,642.6)
Customer contracts and lists	(1,105.6)		(1,007.6)
Other intangibles	(243.9)		(241.1)
	(4,179.8)		(3,891.3)
Intangible assets, net	$	1,603.0	$	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
Twelve months ending June 30, 2026	$	575.5
Twelve months ending June 30, 2027	$	251.0
Twelve months ending June 30, 2028	$	208.2
Twelve months ending June 30, 2029	$	176.6
Twelve months ending June 30, 2030	$	133.4