Operating Segment, Geographic Information and Significant Customers - Geographic Distribution of Revenues and Long Lived Assets from Continuing Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jul. 03, 2020	Jun. 30, 2019	Jul. 03, 2020	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers			$ 796,610	$ 654,744	$ 493,184
Inter-geographic revenues			0	0	0
Net revenues	$ 217,377	$ 176,963	796,610	654,744	493,184
Identifiable long-lived assets	87,737	60,001	87,737	60,001	50,980
US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues			704,722	580,935	410,050
Reportable Geographical Components | US
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers			744,270	599,422	450,218
Inter-geographic revenues			4,938	10,570	10,650
Net revenues			749,208	609,992	460,868
Identifiable long-lived assets	82,588	54,952	82,588	54,952	47,997
Reportable Geographical Components | Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers			50,092	49,332	35,000
Inter-geographic revenues			3,067	1,343	925
Net revenues			53,159	50,675	35,925
Identifiable long-lived assets	5,144	5,037	5,144	5,037	2,974
Reportable Geographical Components | Asia Pacific
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers			2,248	5,990	7,966
Inter-geographic revenues			0	0	0
Net revenues			2,248	5,990	7,966
Identifiable long-lived assets	5	12	5	12	9
Geography Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues to unaffiliated customers			0	0	0
Inter-geographic revenues			(8,005)	(11,913)	(11,575)
Net revenues			(8,005)	(11,913)	(11,575)
Identifiable long-lived assets	$ 0	$ 0	$ 0	$ 0	$ 0