Convertible Senior Notes (Interest expense recognized related to 2018 Notes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 29, 2015	Mar. 30, 2014	Mar. 29, 2015	Mar. 30, 2014
Debt Disclosure [Abstract]
Contractual coupon interest expense	$ 766	$ 766	$ 2,297	$ 1,149
Amortization of debt issuance costs	186us-gaap_AmortizationOfFinancingCosts	166us-gaap_AmortizationOfFinancingCosts	543us-gaap_AmortizationOfFinancingCosts	245us-gaap_AmortizationOfFinancingCosts
Accretion of debt discount	1,481	1,395	4,377	2,081
Total	$ 2,433us-gaap_InterestExpenseDebt	$ 2,327us-gaap_InterestExpenseDebt	$ 7,217us-gaap_InterestExpenseDebt	$ 3,475us-gaap_InterestExpenseDebt
Effective interest rate	6.62%us-gaap_DebtWeightedAverageInterestRate	6.62%us-gaap_DebtWeightedAverageInterestRate	6.62%us-gaap_DebtWeightedAverageInterestRate	6.62%us-gaap_DebtWeightedAverageInterestRate

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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

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Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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Weighted average interest rate of debt outstanding.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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