CONDENSED CONSOLIDATED BALANCE SHEETS PARENTHETICAL (USD $)	Mar. 31, 2013	Jun. 30, 2012
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	250,000,000	250,000,000
Common stock, issued shares	101,945,579	101,482,461
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, authorized shares	500,000	500,000
Preferred stock, issued shares	0	0
Treasury stock, shares	15,850,300	15,452,064