v3.2.0.727
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2015
Jun. 30, 2014
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 3.8 $ 3.3
Preferred stock, shares authorized 25,000,000.0 25,000,000.0
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 650,000,000 650,000,000
Common stock, shares issued 154,500,000 154,500,000
Common stock, shares outstanding 118,200,000 119,500,000
Treasury stock, shares 36,300,000 35,000,000