CONSOLIDATED BALANCE SHEETS (Parenthetical)	Mar. 31, 2013	Jun. 30, 2012
CONSOLIDATED BALANCE SHEETS
Common stock, authorized shares	100,000,000	100,000,000
Common stock, issued shares	54,924,148	54,809,735
Common stock, outstanding shares	52,718,269	52,412,967
Common stock in treasury, shares	2,205,879	2,396,768