Interim Financial Data by Segment (Tables)

3 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Segment Results:

	Revenues
	Three Months Ended
	September 30,
	2018			2017
Employer Services	$	2,338.2		$	2,179.4
PEO Services	987.8			899.8
Other	(2.8		)	(2.0		)
	$	3,323.2		$	3,077.2

	Earnings before Income Taxes
	Three Months Ended
	September 30,
	2018			2017
Employer Services	$	637.6		$	537.2
PEO Services	145.9			123.3
Other	(136.7		)	(95.6		)
	$	646.8		$	564.9