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Business Combinations (Details) (USD $) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 26, 2014 | Jan. 25, 2014 | Oct. 26, 2013 | Jul. 27, 2013 | Apr. 27, 2013 | Jan. 26, 2013 | Oct. 27, 2012 | Jul. 28, 2012 | Apr. 26, 2014 | Apr. 27, 2013 | Apr. 28, 2012 | May 08, 2013
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage acquired |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Goodwill acquired |  |  |  |  |  |  |  |  | $ 1,250,000 |  |  |
Net sales | 136,240,000 | 115,369,000 | 161,639,000 | 138,722,000 | 124,482,000 | 111,050,000 | 149,871,000 | 132,919,000 | 551,970,000 | 518,322,000 | 489,526,000 |
General and administrative |  |  |  |  |  |  |  |  | 27,984,000 | 27,404,000 | 27,422,000 |
International |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Goodwill acquired |  |  |  |  |  |  |  |  | 1,250,000 |  |  |
Net sales |  |  |  |  |  |  |  |  | 85,578,000 | 75,766,000 | 72,062,000 |
OPEN |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Goodwill acquired |  | 1,250,000 |  |  |  |  |  |  |  |  |  |
Property and equipment acquired |  | 2,658,000 |  |  |  |  |  |  |  |  |  |
Inventory acquired |  | 2,038,000 |  |  |  |  |  |  |  |  |  |
Other current assets acquired |  | 833,000 |  |  |  |  |  |  |  |  |  |
Liabilities acquired |  | 1,230,000 |  |  |  |  |  |  |  |  |  |
Long-term debt acquired |  | 4,155,000 |  |  |  |  |  |  |  |  |  |
Deferred payments |  | 2,300,000 |  |  |  |  |  |  |  |  |  |
Deferred payments period |  | 5 years |  |  |  |  |  |  |  |  |  |
OPEN | International |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 4,200,000 |  |  |
General and administrative |  |  |  |  |  |  |  |  | 44,000 | 146,000 |  |
OPEN | Trade Names |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible assets acquired |  | 1,160,000 |  |  |  |  |  |  |  |  |  |
Acquired intangible assets useful life |  | 20 years |  |  |  |  |  |  |  |  |  |
OPEN | Customer Lists |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible assets acquired |  | $ 582,000 |  |  |  |  |  |  |  |  |  |
Acquired intangible assets useful life |  | 9 years |  |  |  |  |  |  |  |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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