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Reportable Segments (Revenues, Gross Profit and Gross Margin, by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 23, 2018	Sep. 24, 2017
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 408,267	$ 360,398
Gross profit	128,168	100,332
Cost of Goods and Services Sold	$ 280,099	$ 260,066
Gross margin	31.40%	27.80%
Power and RF Products
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 127,375	$ 66,154
Gross profit	$ 60,415	$ 32,398
Gross margin	47.40%	49.00%
LED Products
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 146,802	$ 144,520
Gross profit	$ 41,283	$ 38,810
Gross margin	28.10%	26.90%
Lighting Products
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 134,090	$ 149,724
Gross profit	$ 31,058	$ 31,883
Gross margin	23.20%	21.30%
Total segment gross profit
Segment Reporting Information [Line Items]
Gross profit	$ 132,756	$ 103,091
Unallocated Costs
Segment Reporting Information [Line Items]
Cost of Goods and Services Sold	(3,376)	(2,759)
Business Combination, Acquisition Related Costs	$ (1,212)	$ 0

X

- Definition

Gross profit (aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity), as percent of revenue.

+ References

No definition available.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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