Consolidated Statements Of Operations And Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net revenues	$ 408,588	$ 270,154	$ 234,847
Cost of revenues	217,045	142,535	120,647
Gross margin	191,543	127,619	114,200
Operating expenses:
Selling, general and administrative	76,491	52,952	49,010
Research and development	54,086	36,388	36,535
Amortization of intangible assets	19,680	8,842	7,008
Restructuring and other charges	1,952	1,240	3,175
Impairment of Long-Lived Assets Held-for-use	0	231	0
Acquisition costs and other related expenses	1,931	3,993	117
Total operating expenses	154,140	103,646	95,845
Income from operations	37,403	23,973	18,355
Interest income	462	131	21
Interest expense	(7,568)	(1,172)	(34)
Other income, net	771	2,354	453
Income from continuing operations before income taxes	31,068	25,286	18,795
Tax provision	6,193	5,544	4,366
Income from continuing operations	24,875	19,742	14,429
Loss from discontinued operations, net of income taxes	0	0	(4,060)
Net income	$ 24,875	$ 19,742	$ 10,369
Basic net earnings (loss) per share:
(Loss) income from continuing operations (dollars per share)	$ 0.59	$ 0.58	$ 0.45
(Loss) income from discontinued operations (dollars per share)	0.00	0.00	(0.13)
Basic net (loss) earnings per share (dollars per share)	0.59	0.58	0.32
Diluted net earnings (loss) per share:
(Loss) income from continuing operations (dollars per share)	0.58	0.56	0.44
(Loss) income from discontinued operations (dollars per share)	0.00	0.00	(0.13)
Diluted net (loss) earnings per share (dollars per share)	$ 0.58	$ 0.56	$ 0.31
Weighted-average shares outstanding:
Basic (in shares)	41,986	34,241	32,114
Diluted (in shares)	43,018	35,097	32,939
Comprehensive income:
Net income	$ 24,875	$ 19,742	$ 10,369
Foreign currency translation adjustments	(93)	171	(235)
Pension benefit plan, net of tax	220	0	0
Total other comprehensive income, net of tax	127	171	(235)
Total comprehensive income	$ 25,002	$ 19,913	$ 10,134