Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 80.2	$ 176.2	$ 147.2
Unrealized gain (loss) on available-for-sale securities, net of tax	(0.3)	0.6	(0.3)
Change in foreign currency translation adjustment, net of tax	(5.2)	(1.7)
Comprehensive income	$ 74.7	$ 175.1	$ 146.9