Consolidated Statements Of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income
Beginning Balance (in shares) at Jun. 30, 2012		29,729,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under employee stock incentive plans (in shares)		548,000
Issuance of common stock under employee stock incentive plans	$ 436	$ 6	$ 430
Beginning Balance at Jun. 30, 2012	333,104	$ 297	222,769	$ 108,732	$ 1,306
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under employee stock purchase plan (in shares)		104,000
Issuance of common stock under employee stock purchase plan	814	$ 1	813
Stock-based compensation	7,940		7,940
Tax shortfall from employee stock plan awards	754		754
Net income (loss)	(13,208)			(13,208)
Share-based business combination consideration	513		513
Net unrealized gain (loss) on investments	15				15
Foreign currency translation adjustments	(359)				(359)
Ending Balance (in shares) at Jun. 30, 2013		30,381,000
Ending Balance at Jun. 30, 2013	328,501	$ 304	231,711	95,524	962
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under employee stock incentive plans (in shares)		811,000
Issuance of common stock under employee stock incentive plans	706	$ 8	698
Issuance of common stock under employee stock purchase plan (in shares)		92,000
Issuance of common stock under employee stock purchase plan	778	$ 0	778
Stock-based compensation	9,244		9,244
Tax shortfall from employee stock plan awards	(706)		(706)
Net income (loss)	(11,425)			(11,425)
Net unrealized gain (loss) on investments	(16)				(16)
Foreign currency translation adjustments	$ 65				65
Ending Balance (in shares) at Jun. 30, 2014	31,284,273	31,284,000
Ending Balance at Jun. 30, 2014	$ 327,147	$ 312	241,725	84,099	1,011
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under employee stock incentive plans (in shares)		1,275,000
Issuance of common stock under employee stock incentive plans	3,710	$ 13	3,697
Issuance of common stock under employee stock purchase plan (in shares)		79,000
Issuance of common stock under employee stock purchase plan	838	$ 1	837
Stock Repurchased and Retired During Period, Shares		(67,000)
Stock Repurchased and Retired During Period, Value	(944)		(944)
Stock-based compensation	8,728		8,728
Tax benefit from employee stock plan awards	525		525
Net income (loss)	10,369			10,369
Net unrealized gain (loss) on investments	0
Foreign currency translation adjustments	$ (235)				(235)
Ending Balance (in shares) at Jun. 30, 2015	32,570,959	32,571,000
Ending Balance at Jun. 30, 2015	$ 350,138	$ 326	$ 254,568	$ 94,468	$ 776