Segment Information - Financial Information for Operating Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Aug. 03, 2014	Jul. 28, 2013
Segment Reporting Information [Line Items]
Net sales	$ 76,060	$ 70,141
Gross profit	12,715	13,074
Selling, general, and administrative expenses	7,419	7,100
Income from operations	5,296	5,974
Interest expense	(68)	(140)
Interest income	142	92
Other income (expense)	89	(391)
Income before income taxes	5,459	5,535
Operating Segments [Member]
Segment Reporting Information [Line Items]
Selling, general, and administrative expenses	6,026	5,640
Income from operations	6,689	7,434
Operating Segments [Member] \| Upholstery Fabrics [Member]
Segment Reporting Information [Line Items]
Net sales	33,238	31,977
Gross profit	5,513	5,682
Selling, general, and administrative expenses	3,452	3,266
Income from operations	2,060	2,416
Operating Segments [Member] \| Mattress Fabrics [Member]
Segment Reporting Information [Line Items]
Net sales	42,822	38,164
Gross profit	7,202	7,392
Selling, general, and administrative expenses	2,574	2,374
Income from operations	4,629	5,018
Unallocated corporate [Member]
Segment Reporting Information [Line Items]
Selling, general, and administrative expenses	1,393	1,460
Income from operations	$ (1,393)	$ (1,460)

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 940

-SubTopic 20

-Section 25

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 5

+ Details

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.9)

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 9

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

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-Name Accounting Standards Codification

-Topic 225

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-Paragraph 2

-Subparagraph (SX 210.5-03.7(b))

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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- Definition

The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

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-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.9)

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

+ Details

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- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 30

-Paragraph 8

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