Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 01, 2021	Dec. 27, 2019	Jan. 01, 2021	Dec. 27, 2019
Income Statement [Abstract]
Net revenues	$ 210,676	$ 193,913	$ 416,297	$ 371,217
Cost of revenues	122,009	105,407	239,511	204,311
Gross margin	88,667	88,506	176,786	166,906
Operating expenses:
Selling, general and administrative	31,596	32,804	64,500	62,774
Research and development	28,128	24,660	55,545	46,530
Amortization of intangible assets	7,643	7,992	15,374	15,011
Restructuring and other charges	951	1,101	2,248	1,749
Acquisition costs and other related expenses	2,236	1,124	2,236	2,541
Total operating expenses	70,554	67,681	139,903	128,605
Income from operations	18,113	20,825	36,883	38,301
Interest income	60	312	132	1,499
Interest Expense	(73)	0	(73)	0
Other expense, net	(981)	(351)	(1,827)	(1,785)
Income before income taxes	17,119	20,786	35,115	38,015
Income tax provision	4,433	5,110	6,631	3,092
Net income	$ 12,686	$ 15,676	$ 28,484	$ 34,923
Basic net earnings per share (in dollars per share)	$ 0.23	$ 0.29	$ 0.52	$ 0.64
Diluted net earnings per share (in dollars per share)	$ 0.23	$ 0.29	$ 0.51	$ 0.63
Weighted-average shares outstanding:
Basic (in shares)	55,070	54,548	54,976	54,468
Diluted (in shares)	55,434	55,001	55,385	55,037
Comprehensive income:
Net income	$ 12,686	$ 15,676	$ 28,484	$ 34,923
Foreign currency translation adjustments	(658)	(192)	(759)	(117)
Pension benefit plan, net of tax	31	8	62	15
Total other comprehensive loss, net of tax	(627)	(184)	(697)	(102)
Total comprehensive income	$ 12,059	$ 15,492	$ 27,787	$ 34,821