Statements of Consolidated Earnings - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
REVENUES:
Revenues		$ 5,359.3	$ 5,048.4	$ 10,534.5	$ 9,881.1
Costs of revenues:
Operating expenses		2,509.0	2,376.1	4,970.6	4,661.9
Research and development		257.8	239.5	509.0	472.1
Depreciation and amortization		122.9	126.9	246.2	242.2
TOTAL COSTS OF REVENUES		2,889.7	2,742.5	5,725.8	5,376.2
Selling, general, and administrative expenses		1,068.1	1,006.1	2,074.4	1,932.8
Interest expense		124.1	129.6	259.5	267.4
TOTAL EXPENSES		4,081.9	3,878.2	8,059.7	7,576.4
Other (income)/loss, net		(105.8)	(91.1)	(215.9)	(192.8)
EARNINGS BEFORE INCOME TAXES		1,383.2	1,261.3	2,690.7	2,497.5
Provision for income taxes		321.2	298.1	615.6	578.0
NET EARNINGS		$ 1,062.0	$ 963.2	$ 2,075.1	$ 1,919.5
BASIC EARNINGS PER SHARE (in USD per share)		$ 2.63	$ 2.36	$ 5.13	$ 4.71
DILUTED EARNINGS PER SHARE (in USD per share)		$ 2.62	$ 2.35	$ 5.12	$ 4.69
Basic weighted average shares outstanding (in shares)		403.8	407.6	404.4	407.7
Diluted weighted average shares outstanding (in shares)		404.7	409.0	405.5	409.3
Revenues, other than interest on funds held for clients and PEO revenues
REVENUES:
Revenues		$ 3,298.3	$ 3,114.8	$ 6,501.7	$ 6,122.0
Interest on funds held for clients
REVENUES:
Revenues		308.6	272.8	595.5	526.1
PEO Revenues
REVENUES:
Revenues	[1]	$ 1,752.4	$ 1,660.8	$ 3,437.3	$ 3,233.0

[1] Professional Employer Organization (“PEO”) revenues are net of direct pass-through costs, primarily consisting of payroll wages and payroll taxes of $20,546.9 million and $19,420.8 million for the three months ended December 31, 2025 and 2024, respectively, and $39,081.3 million and $36,614.4 million for the six months ended December 31, 2025 and 2024, respectively.