Consolidated Balance Sheets - USD ($)		Dec. 31, 2020	Jun. 30, 2020
Current assets:
Cash and cash equivalents		$ 1,602,200,000	$ 1,908,500,000
Accounts receivable, net of allowance for doubtful accounts of $86.3 and $92.5, respectively		2,509,800,000	2,441,300,000
Other current assets		684,100,000	506,200,000
Total current assets before funds held for clients		4,796,100,000	4,856,000,000.0
Funds held for clients		36,866,200,000	26,708,100,000
Total current assets		41,662,300,000	31,564,100,000
Long-term receivables, net of allowance for doubtful accounts of $0.6 and $0.5, respectively		15,300,000	18,600,000
Property, plant and equipment, net		692,700,000	703,900,000
Operating lease right-of-use asset		501,100,000	493,700,000
Deferred contract costs		2,417,200,000	2,401,600,000
Other assets		483,500,000	458,400,000
Goodwill		2,346,600,000	2,309,400,000
Intangible assets, net		1,207,200,000	1,215,800,000
Total assets		49,325,900,000	39,165,500,000
Current liabilities:
Accounts payable		113,900,000	102,000,000.0
Accrued expenses and other current liabilities		1,778,100,000	1,980,700,000
Accrued payroll and payroll-related expenses		587,400,000	557,000,000.0
Dividends payable		394,400,000	387,300,000
Short-term deferred revenues		207,700,000	212,500,000
Obligations under reverse repurchase agreements	[1]	0	13,600,000
Short-term debt		0	1,001,800,000
Income taxes payable		28,900,000	40,100,000
Total current liabilities before client funds obligations		3,110,400,000	4,295,000,000.0
Client funds obligations		36,066,100,000	25,831,600,000
Total current liabilities		39,176,500,000	30,126,600,000
Long-term debt		1,994,100,000	1,002,800,000
Operating lease liabilities		357,400,000	344,400,000
Other liabilities		812,500,000	837,000,000.0
Deferred income taxes		711,500,000	731,900,000
Long-term deferred revenues		373,900,000	370,600,000
Total liabilities		43,425,900,000	33,413,300,000
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 December 31, 2020 and June 30, 2020; outstanding, 428.1 and 429.9 shares at December 31, 2020 and June 30, 2020, respectively		63,900,000	63,900,000
Capital in excess of par value		1,407,600,000	1,333,800,000
Retained earnings		18,893,600,000	18,436,300,000
Treasury stock - at cost: 210.6 and 208.9 shares at December 31, 2020 and June 30, 2020, respectively		(14,505,400,000)	(14,067,000,000.0)
Accumulated other comprehensive income (loss)		40,300,000	(14,800,000)
Total stockholders’ equity		5,900,000,000.0	5,752,200,000
Total liabilities and stockholders’ equity		$ 49,325,900,000	$ 39,165,500,000

[1] As of June 30, 2020, $13.6 million of long-term marketable securities have been pledged as collateral under the Company's reverse repurchase agreements (see Note 9).