Goodwill and Intangibles Assets, net (Tables)

6 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes In Goodwill

Changes in goodwill for the six months endedDecember 31, 2017 are as follows:

	Employer Services		PEO Services		Total
Balance at June 30, 2017	$	1,736.2	$	4.8	$	1,741.0
Additions and other adjustments, net	403.8		—		403.8
Currency translation adjustments	19.5		—		19.5
Balance at December 31, 2017	$	2,159.5	$	4.8	$	2,164.3

Components Of Finite-Lived Intangible Assets

Components of intangible assets, net, are as follows:

	December 31,			June 30,
	2017			2017
Intangible assets:
Software and software licenses	$	2,187.6		$	1,975.2
Customer contracts and lists	703.2			614.1
Other intangibles	234.1			228.2
	3,124.9			2,817.5
Less accumulated amortization:
Software and software licenses	(1,559.9		)	(1,483.7		)
Customer contracts and lists	(522.1		)	(506.0		)
Other intangibles	(210.2		)	(207.6		)
	(2,292.2		)	(2,197.3		)
Intangible assets, net	$	832.7		$	620.2

Schedule Of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future amortization expenses of the Company's existing intangible assets are as follows:

	Amount
Six months ending June 30, 2018	$	98.9
Twelve months ending June 30, 2019	$	206.9
Twelve months ending June 30, 2020	$	178.3
Twelve months ending June 30, 2021	$	130.0
Twelve months ending June 30, 2022	$	96.9
Twelve months ending June 30, 2023	$	58.5