Geographic Information, Product Groups and Customer Concentration - Revenues by Geographical Area (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 149,380	$ 162,182	$ 153,914	$ 135,492	$ 125,185	$ 101,050	$ 94,129	$ 87,550	$ 600,968	$ 407,914	$ 341,276
Total Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									362,446	216,878	159,661
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									227,897	167,229	105,516
Thailand
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									97,808	11,161	3,676
Malaysia
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									20,965	31,823	47,335
Other Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									15,776	6,665	3,134
Total Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									160,808	116,444	101,699
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									82,516	63,158	54,017
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									43,122	46,385	40,900
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									35,170	6,901	6,782
Total EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									68,197	67,451	71,499
Italy
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									32,926	27,249	25,034
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									14,221	21,284	25,825
Other EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									21,050	18,918	20,640
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 9,517	$ 7,141	$ 8,417