Reportable Segments Schedule of Inventory by Reportable Segment (Details) - USD ($) $ in Thousands	Sep. 27, 2015	Jun. 28, 2015
Segment Reporting Information [Line Items]
Inventories	$ 289,089	$ 280,576
Lighting Products [Member]
Segment Reporting Information [Line Items]
Inventories	157,715	150,755
LED Products [Member]
Segment Reporting Information [Line Items]
Inventories	113,537	114,203
Power and RF Products [Member]
Segment Reporting Information [Line Items]
Inventories	12,693	11,536
Total segment inventories [Member]
Segment Reporting Information [Line Items]
Inventories	283,945	276,494
Unallocated inventories [Member]
Segment Reporting Information [Line Items]
Inventories	$ 5,144	$ 4,082