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Reportable Segments (Revenues, Gross Profit and Gross Margin, by Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 24, 2017 | Sep. 25, 2016
Segment Reporting Information [Line Items] |  |
Document Period End Date | Sep. 24, 2017 |
Revenue, net | $ 360,398 | $ 371,231
Gross profit | $ 100,332 | $ 109,929
Gross margin | 27.80% | 29.60%
Lighting Products [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue, net | $ 149,724 | $ 183,836
Gross profit | $ 31,883 | $ 49,290
Gross margin | 21.30% | 26.80%
LED Products [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue, net | $ 144,520 | $ 137,493
Gross profit | $ 38,810 | $ 41,770
Gross margin | 26.90% | 30.40%
Power and RF Products [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenue, net | $ 66,154 | $ 49,902
Gross profit | $ 32,398 | $ 23,460
Gross margin | 49.00% | 47.00%
Total segment gross profit [Member] |  |
Segment Reporting Information [Line Items] |  |
Gross profit | $ 103,091 | $ 114,520
Unallocated Costs [Member] |  |
Segment Reporting Information [Line Items] |  |
Gross profit | $ (2,759) | $ (4,591)

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1,2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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