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Reportable Segments Schedule of Financial Results, by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 25, 2017 | Mar. 26, 2017 | Dec. 25, 2016 | Sep. 25, 2016 | Jun. 26, 2016 | Mar. 27, 2016 | Dec. 27, 2015 | Sep. 27, 2015 | Jun. 25, 2017 | Jun. 26, 2016 | Jun. 28, 2015
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 358,939 | $ 341,505 | $ 401,325 | $ 371,231 | $ 388,413 | $ 366,919 | $ 435,806 | $ 425,489 | $ 1,473,000 | $ 1,616,627 | $ 1,632,505
Gross profit | $ 98,001 | $ 86,076 | $ 140,566 | $ 109,929 | $ 113,023 | $ 109,033 | $ 134,445 | $ 130,573 | $ 434,572 | $ 487,074 | $ 473,919
Gross margin |  |  |  |  |  |  |  |  | 30.00% | 30.00% | 29.00%
Lighting Products [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 701,467 | $ 889,133 | $ 906,502
Gross profit |  |  |  |  |  |  |  |  | $ 196,218 | $ 238,242 | $ 235,542
Gross margin |  |  |  |  |  |  |  |  | 28.00% | 27.00% | 26.00%
LED Products [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 550,302 | $ 551,156 | $ 554,987
Gross profit |  |  |  |  |  |  |  |  | $ 151,675 | $ 173,814 | $ 158,955
Gross margin |  |  |  |  |  |  |  |  | 28.00% | 32.00% | 29.00%
Wolfspeed [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 221,231 | $ 176,338 | $ 171,016
Gross profit |  |  |  |  |  |  |  |  | $ 103,465 | $ 94,622 | $ 99,721
Gross margin |  |  |  |  |  |  |  |  | 47.00% | 54.00% | 58.00%
SegmentsTotal [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross profit |  |  |  |  |  |  |  |  | $ 451,358 | $ 506,678 | $ 494,218
Unallocated costs [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross profit |  |  |  |  |  |  |  |  | $ (16,786) | $ (19,604) | $ (20,299)

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