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Intangible Assets and Goodwill - Narrative - Goodwill Related to Purchase of Business (Details) - USD ($) $ in Millions	12 Months Ended
	May. 03, 2014	Apr. 27, 2013
Business Acquisition [Line Items]
Goodwill increase attributable to acquisitions	$ 0.0	$ 0.8
Hetronic Italy
Business Acquisition [Line Items]
Goodwill increase attributable to acquisitions		$ 0.8

X

- Definition

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

No definition available.

+ Details

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Details

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