CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Millions, except Share data, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Trade receivables, allowances	$ 16.7	$ 14.5
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Treasury stock, at cost, shares	34,900,000	400,000
Common Class A
Common stock, par value (in dollars per share)	$ 0.01	$ 0.0001
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	125,100,000	73,600,000
Common stock, shares outstanding	90,200,000	73,200,000
Common Class B
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	263,700,000	310,600,000
Common stock, shares issued	263,700,000	310,600,000
Common stock, shares outstanding	263,700,000	310,600,000