Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013
Accounts receivable, allowance for doubtful accounts	$ 1,105	$ 1,479
Preferred stock, par value
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Common stock, par value
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	70,682,191	70,223,286
Treasury stock, shares	8,139,733	8,011,733