CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018
CONSOLIDATED BALANCE SHEETS
Trade receivables allowance	$ 17.6	$ 11.1
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	850,000,000	850,000,000
Common stock, shares issued	236,257,893	246,438,483
Common stock, shares outstanding	236,257,893	246,438,483