CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED BALANCE SHEETS
Allowance for doubtful accounts (in dollars)	$ 4.1	$ 4.9
Common stock, authorized shares	100,000,000	100,000,000
Common stock, issued shares	54,925,335	54,809,735
Common stock, outstanding shares	52,773,060	52,412,967
Common stock in treasury, shares	2,152,275	2,396,768