Goodwill and Intangible Assets, net (Tables)

6 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

Changes in goodwill for the six months ended December 31, 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	22.2		—		22.2
Currency translation adjustments	(1.5)		—		(1.5)
Balance at December 31, 2025	$	3,289.4	$	4.8	$	3,294.2

Schedule of Components of Finite-Lived Intangible Assets

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

	December 31,		June 30,
	2025		2025
Intangible assets:
Software and software licenses	$	4,259.6	$	4,103.6
Customer contracts and lists	1,451.5		1,429.4
Other intangibles	250.1		249.8
	5,961.2		5,782.8
Less accumulated amortization:
Software and software licenses	(2,948.6)		(2,830.3)
Customer contracts and lists	(1,145.1)		(1,105.6)
Other intangibles	(245.0)		(243.9)
	(4,338.7)		(4,179.8)
Intangible assets, net	$	1,622.5	$	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
Six months ending June 30, 2026	$	220.5
Twelve months ending June 30, 2027	$	348.3
Twelve months ending June 30, 2028	$	263.4
Twelve months ending June 30, 2029	$	228.8
Twelve months ending June 30, 2030	$	187.3
Twelve months ending June 30, 2031	$	141.8