Goodwill and Intangible Assets, net (Tables)

3 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

Changes in goodwill for the three months ended September 30, 2025 are as follows:

	Employer Services		PEO Services		Total
Balance at June 30, 2025	$	3,268.7	$	4.8	$	3,273.5
Additions and other adjustments	4.8		—		4.8
Currency translation adjustments	(3.1)		—		(3.1)
Balance at September 30, 2025	$	3,270.4	$	4.8	$	3,275.2

Schedule of Components 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:

	September 30,		June 30,
	2025		2025
Intangible assets:
Software and software licenses	$	4,161.4	$	4,103.6
Customer contracts and lists	1,438.5		1,429.4
Other intangibles	250.0		249.8
	5,849.9		5,782.8
Less accumulated amortization:
Software and software licenses	(2,883.1)		(2,830.3)
Customer contracts and lists	(1,124.3)		(1,105.6)
Other intangibles	(244.5)		(243.9)
	(4,251.9)		(4,179.8)
Intangible assets, net	$	1,598.0	$	1,603.0

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, 2026	$	327.2
Twelve months ending June 30, 2027	$	306.0
Twelve months ending June 30, 2028	$	243.7
Twelve months ending June 30, 2029	$	209.6
Twelve months ending June 30, 2030	$	170.8
Twelve months ending June 30, 2031	$	128.7