Consolidated Balance Sheets - USD ($)		Jun. 30, 2025	Jun. 30, 2024
Current assets:
Cash and cash equivalents		$ 3,347,800,000	$ 2,913,400,000
Short-term marketable securities		4,498,800,000	384,000,000.0
Accounts receivable, net of allowance for doubtful accounts of $47.1 and $52.2, respectively		3,579,100,000	3,428,200,000
Other current assets		840,800,000	820,800,000
Total current assets before funds held for clients		12,266,500,000	7,546,400,000
Funds held for clients		30,985,700,000	37,996,100,000
Total current assets		43,252,200,000	45,542,500,000
Long-term receivables, net of allowance for doubtful accounts of $0.1 and $0.1, respectively		4,400,000	7,300,000
Property, plant and equipment, net		655,400,000	685,600,000
Operating lease right-of-use asset		374,100,000	370,600,000
Deferred contract costs		3,154,100,000	2,965,000,000
Other assets		1,052,600,000	1,102,100,000
Goodwill		3,273,500,000	2,353,600,000
Intangible assets, net		1,603,000,000	1,336,000,000
Total assets		53,369,300,000	54,362,700,000
Current liabilities:
Accounts payable		169,100,000	100,600,000
Accrued expenses and other current liabilities		3,092,400,000	3,350,100,000
Accrued payroll and payroll-related expenses		973,100,000	958,700,000
Dividends payable		620,600,000	566,400,000
Short-term deferred revenues		262,800,000	199,800,000
Obligations under reverse repurchase agreements	[1]	38,400,000	385,400,000
Obligations under commercial paper borrowings		4,769,500,000	0
Income taxes payable		9,100,000	15,100,000
Total current liabilities before client funds obligations		9,935,000,000	5,576,100,000
Client funds obligations		31,343,300,000	39,503,900,000
Total current liabilities		41,278,300,000	45,080,000,000
Long-term debt		3,974,700,000	2,991,300,000
Operating lease liabilities		321,200,000	328,600,000
Other liabilities		1,058,300,000	990,800,000
Deferred income taxes		163,600,000	64,300,000
Long-term deferred revenues		385,200,000	360,100,000
Total liabilities		47,181,300,000	49,815,100,000
Commitments and Contingencies (Note 13)
Stockholders' equity:
Preferred stock, $1.00 par value: Authorized, 0.3 shares; issued, none		0	0
Common stock, $0.10 par value: authorized,1,000.0 shares; issued, 638.7 shares at June 30, 2025 and June 30, 2024; outstanding, 405.3 and 408.1 shares at June 30, 2025 and June 30, 2024, respectively		63,900,000	63,900,000
Capital in excess of par value		2,788,300,000	2,406,900,000
Retained earnings		25,240,600,000	23,622,200,000
Treasury stock - at cost: 233.4 and 230.6 shares at June 30, 2025 and June 30, 2024, respectively		(21,021,400,000)	(19,737,100,000)
Accumulated other comprehensive (loss)/income		(883,400,000)	(1,808,300,000)
Total stockholders’ equity		6,188,000,000	4,547,600,000
Total liabilities and stockholders’ equity		$ 53,369,300,000	$ 54,362,700,000

[1] As of June 30, 2025, $38.4 million of short-term marketable securities have been pledged as collateral under the Company's reverse repurchase agreements. As of June 30, 2024, $384.0 million of short-term marketable securities and $1.4 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements (see Note 9).