Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net revenues	$ 159,089	$ 117,912	$ 303,145	$ 223,981
Cost of revenues	88,202	63,752	170,675	119,147
Gross margin	70,887	54,160	132,470	104,834
Operating expenses:
Selling, general and administrative	27,819	21,222	52,560	41,790
Research and development	16,192	15,187	31,140	28,929
Amortization of intangible assets	6,939	5,827	14,120	11,464
Restructuring and other charges	23	313	527	408
Acquisition costs and other related expenses	53	723	452	984
Total operating expenses	51,026	43,272	98,799	83,575
Income from operations	19,861	10,888	33,671	21,259
Interest income	71	3	137	22
Interest expense	(2,196)	(107)	(4,455)	(110)
Other income, net	(870)	(316)	(1,879)	(1,131)
Income before income taxes	16,866	10,468	27,474	20,040
Tax provision (benefit)	4,483	1,335	7,612	(7,046)
Net income	$ 12,383	$ 9,133	$ 19,862	$ 27,086
Basic net earnings per share (in dollars per share)	$ 0.26	$ 0.20	$ 0.42	$ 0.58
Diluted net earnings per share (in dollars per share)	$ 0.26	$ 0.19	$ 0.42	$ 0.57
Weighted-average shares outstanding:
Basic (in shares)	47,189	46,752	47,118	46,701
Diluted (in shares)	47,705	47,447	47,696	47,538
Comprehensive income:
Net income	$ 12,383	$ 9,133	$ 19,862	$ 27,086
Foreign currency translation adjustments	205	22	(157)	(56)
Pension benefit plan, net of tax	(15)	10	(30)	40
Total other comprehensive income, net of tax	190	32	(187)	(16)
Total comprehensive income	$ 12,573	$ 9,165	$ 19,675	$ 27,070