Employee Benefit Plans (Tables)

9 Months Ended

Mar. 31, 2018

Compensation and Retirement Disclosure [Abstract]

Components Of Stock-Based Compensation Expense

The following table represents stock-based compensation expense for the three and nine months endedMarch 31, 2018 and 2017, respectively:

	Three Months Ended				Nine Months Ended
	March 31,				March 31,
	2018		2017		2018		2017
Operating expenses	$	4.8	$	4.6	$	15.4	$	16.4
Selling, general and administrative expenses	31.8		25.1		87.9		71.0
System development and programming costs	5.1		4.6		16.1		13.8
Total stock-based compensation expense	$	41.7	$	34.3	$	119.4	$	101.2

Schedule of Net Benefit Costs

The components of net pension expense were as follows:

	Three Months Ended						Nine Months Ended
	March 31,						March 31,
	2018			2017			2018			2017
Service cost – benefits earned during the period	$	18.7		$	20.2		$	55.9		$	60.6
Interest cost on projected benefits	16.4			14.9			49.0			45.0
Expected return on plan assets	(34.4		)	(33.9		)	(103.0		)	(101.9		)
Net amortization and deferral	2.1			4.8			6.3			14.4
Net pension expense	$	2.8		$	6.0		$	8.2		$	18.1