Statements of Consolidated Earnings - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
REVENUES:
Revenues		$ 4,025.4	$ 3,695.7	$ 7,857.7	$ 7,166.5
Costs of revenues:
Operating expenses		2,040.7	1,847.8	3,971.5	3,610.0
Systems development and programming costs		199.7	174.5	388.5	343.2
Depreciation and amortization		100.8	100.1	203.8	203.6
TOTAL COSTS OF REVENUES		2,341.2	2,122.4	4,563.8	4,156.8
Selling, general, and administrative expenses		782.3	755.8	1,501.5	1,436.9
Interest expense		18.4	13.9	36.9	29.0
TOTAL EXPENSES		3,141.9	2,892.1	6,102.2	5,622.7
Other (income)/expense, net		(26.6)	(29.0)	(55.4)	(54.0)
EARNINGS BEFORE INCOME TAXES		910.1	832.6	1,810.9	1,597.8
Provision for income taxes		215.7	185.1	416.0	348.2
NET EARNINGS		$ 694.4	$ 647.5	$ 1,394.9	$ 1,249.6
BASIC EARNINGS PER SHARE (in US$ per share)		$ 1.65	$ 1.51	$ 3.32	$ 2.92
DILUTED EARNINGS PER SHARE (in US$ per share)		$ 1.65	$ 1.51	$ 3.30	$ 2.91
Basic weighted average shares outstanding (shares)		419.8	427.4	420.6	428.0
Diluted weighted average shares outstanding (shares)		422.0	429.0	422.9	429.5
Revenues, other than interest on funds held for clients and PEO revenues
REVENUES:
Revenues		$ 2,561.8	$ 2,405.2	$ 5,029.6	$ 4,674.9
Interest on funds held for clients
REVENUES:
Revenues		106.0	105.4	207.1	211.9
PEO Revenues
REVENUES:
Revenues	[1]	$ 1,357.6	$ 1,185.1	$ 2,621.0	$ 2,279.7

[1] Professional Employer Organization (“PEO”) revenues are net of direct pass-through costs, primarily consisting of payroll wages and payroll taxes of $16,774.0 million and $13,349.1 million for the three months ended December 31, 2021 and 2020, respectively, and $30,037.2 million and $24,364.9 million for the six months ended December 31, 2021 and 2020, respectively.