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Intangible Asset - Tradenames (Detail) - USD ($) $ in Thousands | Oct. 28, 2018 | Apr. 29, 2018
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Indefinite-lived Intangible Assets [Line Items] |  |
Tradenames | $ 7,232 | $ 683
Read Window Products, LLC [Member] |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Tradenames | 683 | $ 683
eLuxury [Member] |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Tradenames | $ 6,549 |

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- 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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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |