CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) - 6 months ended Dec. 31, 2015 - USD ($) $ in Millions	Common Stock [Member]	Additional paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Total
Balance at Jun. 30, 2015	$ 0.2	$ 1,705.8	$ (7.9)	$ (486.9)	$ 1,211.2
Balance (in shares) at Jun. 30, 2015	243,008,679				243,008,679
Stock-based compensation		87.6			$ 87.6
Stock-based compensation, shares	2,385,120
Tax benefits from stock-based compensation		5.1			5.1
Foreign currency translation adjustments			(11.7)		(11.7)
Repurchase and retirement of common shares		(17.9)			(17.9)
Repurchase and retirement of common shares (in shares)	(726,327)
Net loss				(26.0)	(26.0)
Balance at Dec. 31, 2015	$ 0.2	$ 1,780.6	$ (19.6)	$ (512.9)	$ 1,248.3
Balance (in shares) at Dec. 31, 2015	244,667,472				244,667,472