Stock-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Stock option activity and related information
Number of options outstanding at June 30, 2012	491,040
Number of options granted	0
Number of options exercised	(97,840)	(26,500)	(32,000)	(31,900)
Number of options cancelled	(1,200)
Number of options outstanding at June 30, 2013	392,000	491,040
Number of options vested or expected to vest at June 30, 2013	387,703
Number of options exercisable at June 30, 2013	167,800
Weighted average remaining contractual life	5 years 6 months	5 years 6 months
Weighted average remaining contractual life vested or expected to vest at June 30, 2013	5 years 5 months
Weighted average remaining contractual life exercisable at June 30, 2013	1 year 6 months
Weighted average exercise price at June 30, 2012	$ 9.29
Weighted average exercise price granted	$ 0.00
Weighted average exercise price exercised	$ 8.94
Weighted average exercise price cancelled	$ 10.19
Weighted average exercise price at June 30, 2013	$ 9.38	$ 9.29
Weighted average exercise price vested or expected to vest at June 30, 2013	$ 9.37
Weighted average exercise price exercisable at June 30, 2013	$ 8.29
Aggregate intrinsic value exercised	$ 616	$ 100	$ 200
Aggregate intrinsic value outstanding at June 30, 2013	2,430
Aggregate intrinsic value vested or expected to be vest at June 30, 2013	2,409
Aggregate intrinsic value exercisable at June 30, 2013	$ 1,223