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Commitments and Contingencies (Warranties) (Details) $ in Thousands	3 Months Ended
	Sep. 25, 2016 USD ($)
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Warranty accrual, beginning balance	$ 21,426
Warranties accrued in current period	5,520
Recall costs accrued in current period	0
Expenditures	(7,093)
Warranty accrual, ending balance	19,853
Product Warranty Liability, Long-Term	$ 1,400
Minimum [Member]
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Product Warranty, Range Period	90 days
Maximum [Member]
Movement in Standard and Extended Product Warranty Accrual, 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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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.

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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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Amount of increase in the standard and extended product warranty accrual from warranties issued.

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Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties.

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