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Fair Value Measurement - Roll Forward of the Level 3 Contingent Consideration Liability (Details) - Estimate of Fair Value Measurement [Member] - Level 3 - Recurring Basis - Contingent Consideration Liability $ in Thousands | 9 Months Ended
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Jan. 28, 2017 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Contingent liability as of April 30, 2016 | $ 1,955
Interest | 42
Foreign currency translation | (77)
Contingent liability as of January 28, 2017 | $ 1,920

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- Definition 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 + Details
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