Net Income Per Share (Schedule of Earnings Per Share, Basic And Diluted) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Net Income Per Share [Abstract]
Net income	$ 2,184	$ 9,232
Weighted average shares outstanding	29,417	28,746
Net income per basic share	$ 0.07	$ 0.32
Potential common shares - treasury method	952	1,045
Weighted average shares and potential dilutive shares	30,369	29,791
Net income per diluted share	$ 0.07	$ 0.31