Supplemental Cash Flow Information (Tables)

12 Months Ended

Jun. 30, 2016

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow Information

	Years Ended June 30,
	2016		2015		2014
Cash paid during the year for income taxes	$	32.0	$	39.1	$	108.2
Non-cash investing and financing activities:
Fair value adjustment on marketable investment securities recorded to stockholders’ equity		0.3		—		(0.4	)