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Reportable Segments Schedule of Financial Results, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 26, 2016	Mar. 27, 2016	Dec. 27, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 26, 2016	Jun. 28, 2015	Jun. 29, 2014
Segment Reporting Information [Line Items]
Revenue	$ 388,413	$ 366,919	$ 435,806	$ 425,489	$ 382,157	$ 409,519	$ 413,157	$ 427,672	$ 1,616,627	$ 1,632,505	$ 1,647,641
Gross profit	$ 113,023	$ 109,033	$ 134,445	$ 130,573	$ 76,690	$ 125,148	$ 136,520	$ 135,561	$ 487,074	$ 473,919	$ 617,756
Gross margin									30.00%	29.00%	37.00%
Lighting Products [Member]
Segment Reporting Information [Line Items]
Revenue									$ 889,133	$ 906,502	$ 706,425
Gross profit									$ 238,242	$ 235,542	$ 197,304
Gross margin									27.00%	26.00%	28.00%
LED Products [Member]
Segment Reporting Information [Line Items]
Revenue									$ 610,835	$ 602,082	$ 833,684
Gross profit									$ 212,367	$ 190,912	$ 381,003
Gross margin									35.00%	32.00%	46.00%
Power and RF Products [Member]
Segment Reporting Information [Line Items]
Revenue									$ 116,659	$ 123,921	$ 107,532
Gross profit									$ 56,069	$ 67,764	$ 60,723
Gross margin									48.00%	55.00%	56.00%
SegmentsTotal [Member]
Segment Reporting Information [Line Items]
Gross profit									$ 506,678	$ 494,218	$ 639,030
Unallocated costs [Member]
Segment Reporting Information [Line Items]
Gross profit									$ (19,604)	$ (20,299)	$ (21,274)

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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

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-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

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