Stockholders' Equity (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Nov. 06, 2012
Stockholders' Equity Note [Abstract]
Preferred stock shares authorized	5,000,000	5,000,000
Preferred stock shares issued	0	0
Preferred stock shares outstanding	0	0
Purchase of common stock on stock buyback program			2,113,497
Annual maximum purchases authorized under stock buyback program	$ 25.0
Common stock shares withheld	107,344	52,992
Treasury stock, shares	1,779,593	2,141,990