Net Income per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Net income	$ 7,699	$ 899
Less: Undistributed earnings allocated to participating securities	(20)	(6)
Net income attributable to common shares - basic	7,679	893
Weighted-average number of common shares used to compute basic net income per common share	42,496	41,667
Basic net income per common share	$ 0.18	$ 0.02
Earnings Per Share, Diluted [Abstract]
Less: Undistributed earnings allocated to participating securities	(19)	(6)
Net income attributable to common shares - diluted	$ 7,680	$ 893
Dilutive effect of options to purchase common stock	2,106	2,507
Weighted-average number of common shares used to compute diluted net income per common share	44,602	44,174
Diluted net income per common share	$ 0.17	$ 0.02
Anti-dilutive outstanding stock options, shares	5,909	5,338