Other Income, Net (Tables)

9 Months Ended

Mar. 31, 2017

Other Income and Expenses [Abstract]

Other Income, net

	Three Months Ended						Nine Months Ended
	March 31,						March 31,
	2017			2016			2017			2016
Interest income on corporate funds	$	(10.1	)	$	(9.7	)	$	(54.5	)	$	(45.6	)
Realized gains on available-for-sale securities	(0.6		)	(2.0		)	(3.1		)	(3.5		)
Realized losses on available-for-sale securities	0.8			2.1			2.0			7.4
Gain on sale of businesses (see Note 4)	—			—			(205.4		)	(29.1		)
Gain on sale of building	—			—			—			(13.9		)
Other income, net	$	(9.9	)	$	(9.6	)	$	(261.0	)	$	(84.7	)