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Commitments and Contingencies (Warranties) (Details) $ in Thousands	6 Months Ended
	Dec. 27, 2015 USD ($)
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Warranty accrual, beginning balance	$ 13,968
Warranties accrued in current period	5,888
Recall costs accrued in current period	579
Expenditures	(7,412)
Warranty accrual, ending balance	13,023
Product Warranty Liability, Long-Term	$ 900
Minimum [Member]
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Product Warranty, Range Period	90 days
Maximum [Member]
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Product Warranty, Range Period	10 years

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Recall costs accrued in current period related to voluntary recall of the Company's linear LED T8 replacement lamps due to the hazard of overheating and melting

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph ((c)(5))
-URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249

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-Publisher FASB
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Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 20
-Section 50
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Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

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Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties.

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