Fair Value of Financial Instruments (Schedule of Fair Value of Contingent Consideration Rollforward) (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2018	Mar. 25, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance	$ 4,695	$ 9,068
Adjustment to estimates (research and development expense)	(4,328)	(3,579)
Fair value charge recognized in earnings (research and development expense)	25	419
Ending balance	0	4,695
Tranche A — 18 month earn out period
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Payout of contingent consideration	0	(1,213)
Ending balance	0
Tranche B — 30 month earn out period
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Payout of contingent consideration	(392)	$ 0
Ending balance	$ 0

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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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.

+ References

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Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Definition

Fair value of asset after deduction of liability.

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Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

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