Revenue (Tables)

12 Months Ended

Jun. 30, 2025

Revenue from Contract with Customer [Abstract]

Summary of Disaggregation of Revenue

The following tables provide details of the Company's revenues and includes a reconciliation to the Company’s reportable segments:

	Years Ended
	June 30,
Types of Revenues	2025		2024		2023
HCM	$	8,674.5	$	8,155.7	$	7,716.1
HRO, excluding PEO zero-margin benefits pass-throughs	3,782.3		3,544.2		3,386.0
PEO zero-margin benefits pass-throughs	4,289.0		3,975.9		3,800.9
Global	2,626.0		2,502.1		2,295.8
Interest on funds held for clients	1,189.1		1,024.7		813.4
Total Revenues	$	20,560.9	$	19,202.6	$	18,012.2

Reconciliation of disaggregated revenue to our reportable segments for the fiscal year ended June 30, 2025:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	8,684.5	$	—	$	(10.0)	$	8,674.5
HRO, excluding PEO zero-margin benefits pass-throughs	1,394.3		2,390.6		(2.6)		3,782.3
PEO zero-margin benefits pass-throughs	—		4,289.0		—		4,289.0
Global	2,626.0		—		—		2,626.0
Interest on funds held for clients	1,178.3		10.8		—		1,189.1
Total Segment Revenues	$	13,883.1	$	6,690.4	$	(12.6)	$	20,560.9

Reconciliation of disaggregated revenue to our reportable segments for the fiscal year ended June 30, 2024:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	8,164.2	$	—	$	(8.5)	$	8,155.7
HRO, excluding PEO zero-margin benefits pass-throughs	1,299.1		2,248.4		(3.3)		3,544.2
PEO zero-margin benefits pass-throughs	—		3,975.9		—		3,975.9
Global	2,502.1		—		—		2,502.1
Interest on funds held for clients	1,015.4		9.3		—		1,024.7
Total Segment Revenues	$	12,980.8	$	6,233.6	$	(11.8)	$	19,202.6

Reconciliation of disaggregated revenue to our reportable segments for the fiscal year ended June 30, 2023:

Types of Revenues	Employer Services		PEO		Other		Total
HCM	$	7,724.7	$	—	$	(8.6)	$	7,716.1
HRO, excluding PEO zero-margin benefits pass-throughs	1,216.1		2,175.9		(6.0)		3,386.0
PEO zero-margin benefits pass-throughs	—		3,800.9		—		3,800.9
Global	2,295.8		—		—		2,295.8
Interest on funds held for clients	806.0		7.4		—		813.4
Total Segment Revenues	$	12,042.6	$	5,984.2	$	(14.6)	$	18,012.2

Summary of Contract with Customer, Liability

Changes in deferred revenue related to set up fees for the fiscal year ended June 30, 2025 were as follows:

Contract Liability
Contract liability, July 1, 2024	$	491.6
Recognition of revenue included in beginning of year contract liability	(134.1)
Contract liability, net of revenue recognized on contracts during the year	140.4
Currency translation adjustments	22.3
Contract liability, June 30, 2025	$	520.2

Summary of Deferred Costs

The balance is as follows:

June 30,	2025		2024
Deferred costs to obtain a contract	$	1,438.6	$	1,353.0
Deferred costs to fulfill a contract	1,715.5		1,612.0
Total deferred contract costs (1)	$	3,154.1	$	2,965.0

(1) The amount of total deferred costs amortized during the fiscal years ended June 30, 2025, June 30, 2024, and June 30, 2023 were $1,145.3 million, $1,067.6 million, and $992.9 million, respectively.