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

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
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-Paragraph 10
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Amount of the cost of borrowed funds accounted for as interest expense.

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-Section 50
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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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

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No definition available.

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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.

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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.

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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.

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No definition available.

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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.

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Segment Information - Statement of Operations for Operating Segments (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	May 01, 2016	Jan. 31, 2016	Nov. 01, 2015	Aug. 02, 2015	May 03, 2015	Feb. 01, 2015	Nov. 02, 2014	Aug. 03, 2014	May 01, 2016	May 03, 2015	Apr. 27, 2014
Segment Reporting Information [Line Items]
net sales	$ 77,253	$ 78,466	$ 76,956	$ 80,185	$ 78,846	$ 81,269	$ 73,991	$ 76,060	$ 312,860	$ 310,166	$ 287,162
gross profit	16,613	16,563	15,733	16,202	16,172	14,402	12,278	12,715	65,111	55,567	48,906
selling, general, and administrative expenses	9,261	9,337	9,433	8,741	9,605	8,375	7,379	7,419	36,773	32,778	28,657
income from operations	7,352	7,226	6,300	7,461	6,567	6,027	4,899	5,296	28,338	22,789	20,249
interest expense				(24)	(15)			(68)		(64)	(427)
interest income	26	38	69	66	143	202	153	142	176	622	482
other expense	(211)	(85)	(225)	(95)	(10)	(307)	(162)	89	(616)	(391)	(1,261)
income before income taxes	$ 7,167	$ 7,179	$ 6,144	$ 7,408	$ 6,685	$ 5,922	$ 4,890	$ 5,459	27,898	22,956	19,043
Operating Segments [Member]
Segment Reporting Information [Line Items]
income from operations									37,794	29,799	25,551
Operating Segments [Member] \| Mattress Fabrics [Member]
Segment Reporting Information [Line Items]
net sales									186,419	179,739	160,705
gross profit									38,718	32,877	27,477
selling, general, and administrative expenses									12,223	11,206	9,962
income from operations									26,496	21,671	17,515
Operating Segments [Member] \| upholstery fabrics [Member]
Segment Reporting Information [Line Items]
net sales									126,441	130,427	126,457
gross profit									26,393	22,690	21,429
selling, general, and administrative expenses									15,094	14,562	13,393
income from operations									11,298	8,128	8,036
Unallocated corporate [Member]
Segment Reporting Information [Line Items]
selling, general, and administrative expenses									9,456	7,010	5,302
income from operations									$ (9,456)	$ (7,010)	$ (5,302)