Convertible Senior Notes, Warrants and Hedges - Interest Expense (Details) - Convertible debt - 0.875% Convertible Senior Notes Due 2022 $ in Thousands	12 Months Ended
Apr. 03, 2016 USD ($)
Debt Instrument [Line Items]
Contractual interest expense	$ 1,363
Amortization of debt issuance costs	450
Amortization of debt discount	4,904
Interest Expense	$ 6,717

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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-Name Accounting Standards Codification
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Amount of amortization expense attributable to debt issuance costs.

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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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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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