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Goodwill and Intangible Assets Goodwill and Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 24, 2018	Jun. 25, 2017	Jun. 26, 2016
Goodwill [Line Items]
Goodwill	$ 620,330	$ 618,828
Goodwill, Acquired During Period	248,957		$ 2,483
Goodwill, Impairment Loss	(247,455)	0	$ 0
LED Products [Member]
Goodwill [Line Items]
Goodwill	180,278	180,278
Goodwill, Acquired During Period	0
Goodwill, Impairment Loss	0
Lighting Products [Member]
Goodwill [Line Items]
Goodwill	90,326	337,781
Goodwill, Acquired During Period	0
Goodwill, Impairment Loss	(247,455)
Power and RF Products [Member]
Goodwill [Line Items]
Goodwill	349,726	$ 100,769
Goodwill, Acquired During Period	248,957
Goodwill, Impairment Loss	$ 0

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Section 45
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-Name Accounting Standards Codification
-Topic 350
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-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (b)
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