Reportable Segments Schedule of Inventory by Reportable Segment (Details) - USD ($) $ in Thousands	Sep. 23, 2018	Jun. 24, 2018
Segment Reporting Information [Line Items]
Inventories	$ 306,389	$ 296,015
Power and RF Products
Segment Reporting Information [Line Items]
Inventories	45,961	47,190
LED Products
Segment Reporting Information [Line Items]
Inventories	106,028	100,452
Lighting Products
Segment Reporting Information [Line Items]
Inventories	146,665	144,193
Total segment inventories
Segment Reporting Information [Line Items]
Inventories	298,654	291,835
Unallocated inventories
Segment Reporting Information [Line Items]
Inventories	$ 7,735	$ 4,180