Operating Segment, Geographic Information and Significant Customers - Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 02, 2021	Apr. 02, 2021	Jan. 01, 2021	Oct. 02, 2020	Jul. 03, 2020	Mar. 27, 2020	Dec. 27, 2019	Sep. 27, 2019	Jul. 02, 2021	Jul. 03, 2020	Jun. 30, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									$ 923,996	$ 796,610	$ 654,744
Inter-geographic revenues									0	0	0
Net revenues	$ 250,842	$ 256,857	$ 210,676	$ 205,621	$ 217,377	$ 208,016	$ 193,913	$ 177,304	923,996	796,610	654,744
Identifiable long-lived assets	128,524				87,737				128,524	87,737	60,001
US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues									795,988	704,722	580,935
Reportable Geographical Components | US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									876,479	744,270	599,422
Inter-geographic revenues									1,561	4,938	10,570
Net revenues									878,040	749,208	609,992
Identifiable long-lived assets	123,009				82,588				123,009	82,588	54,952
Reportable Geographical Components | Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									47,119	50,092	49,332
Inter-geographic revenues									1,985	3,067	1,343
Net revenues									49,104	53,159	50,675
Identifiable long-lived assets	5,509				5,144				5,509	5,144	5,037
Reportable Geographical Components | Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									398	2,248	5,990
Inter-geographic revenues									0	0	0
Net revenues									398	2,248	5,990
Identifiable long-lived assets	6				5				6	5	12
Geography Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers									0	0	0
Inter-geographic revenues									(3,546)	(8,005)	(11,913)
Net revenues									(3,546)	(8,005)	(11,913)
Identifiable long-lived assets	$ 0				$ 0				$ 0	$ 0	$ 0