Intangible Assets and Goodwill - Indefinite-lived Intangibles Excluding Goodwill, Impairment Test (Details) (Trademarks, Interconnect, USD $) In Thousands, unless otherwise specified	12 Months Ended
Apr. 27, 2013 reporting_unit	May 03, 2014
Trademarks \| Interconnect
Indefinite-lived Intangible Assets [Line Items]
Number of reporting units with indefinite-lived intangible assets (excluding goodwill) where impairment test was performed	1
Impairment of indefinite-lived intangible assets (excluding goodwill)	$ 0
Percentage by which fair value exceeded carrying value	128.00%	117.00%

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

Name:	us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration