CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Trade receivables, allowances	$ 19.2	$ 16.7
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
Common stock, par value (in dollars per share)	$ 0.01
Treasury stock, at cost, shares	34,900,000	34,900,000
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	126,100,000	125,100,000
Common stock, shares outstanding	91,200,000	90,200,000
Common Class B [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	263,700,000	263,700,000
Common stock, shares issued	263,700,000	263,700,000
Common stock, shares outstanding	263,700,000	263,700,000