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Reportable Segments (Revenues, Gross Profit and Gross Margin, by Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 25, 2018 | Mar. 26, 2017 | Mar. 25, 2018 | Mar. 26, 2017
Segment Reporting Information [Line Items] |  |  |  |
Revenue, net | $ 355,958 | $ 341,505 | $ 1,084,226 | $ 1,114,064
Gross profit | 99,056 | 86,076 | 291,991 | 336,574
Cost of revenue, net | $ 256,902 | $ 255,429 | $ 792,235 | $ 777,490
Gross margin | 27.80% | 25.20% | 26.90% | 30.20%
Power and RF Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue, net | $ 81,902 | $ 56,133 | $ 218,628 | $ 160,401
Gross profit | $ 39,285 | $ 26,396 | $ 105,816 | $ 74,737
Gross margin | 48.00% | 47.00% | 48.40% | 46.60%
LED Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue, net | $ 143,298 | $ 131,327 | $ 440,500 | $ 406,858
Gross profit | $ 37,764 | $ 32,385 | $ 115,180 | $ 115,499
Gross margin | 26.40% | 24.70% | 26.10% | 28.40%
Lighting Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue, net | $ 130,758 | $ 154,045 | $ 425,098 | $ 546,805
Gross profit | $ 24,956 | $ 35,355 | $ 79,803 | $ 159,415
Gross margin | 19.10% | 23.00% | 18.80% | 29.20%
Total segment gross profit |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross profit | $ 102,005 | $ 94,136 | $ 300,799 | $ 349,651
Unallocated Costs |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Cost of revenue, net | (2,949) | (3,459) | (8,808) | (13,077)
Depreciation Expense on Reclassified Assets | $ 0 | $ (4,601) | $ 0 | $ 0

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