Acquisition of additional ownership percentage.

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Area of additional plant facility.

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Business combination gain on bargain purchase.

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Charges related to rebate agreement.

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Gain loss on remeasurment of previously held ownership interest.

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Net sales related to inventory shipments in supply agreement.

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- Definition

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

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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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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Business Combination Achieved in Stages - Narrative (Detail)		3 Months Ended		6 Months Ended
	Feb. 01, 2021 USD ($) ft²	Oct. 31, 2021 USD ($)	Nov. 01, 2020 USD ($)	Oct. 31, 2021 USD ($)	Nov. 01, 2020 USD ($)	Jan. 01, 2017
Business Acquisition [Line Items]
Equity method investment, ownership percentage			50.00%		50.00%
Net sales related to inventory shipments in supply agreement		$ 398,000		$ 853,000
Charges related to rebate agreement		$ 15,000		$ 37,000
Income from investment in unconsolidated joint venture			$ 100,000		$ 167,000
Proportionate share			50.00%		50.00%
Investment in unconsolidated joint venture			$ 1,859,000		$ 1,859,000
CIH [Member]
Business Acquisition [Line Items]
Equity method investment, ownership percentage						50.00%
Acquisition of additional ownership percentage	50.00%
Area of additional plant facility \| ft²	120,000
Date of acquisition	Feb. 01, 2021
Consideration transferred	$ 2,678,000
Payment for acquisition	954,000
Fair value of previously held ownership interest	$ 1,700,000
Majority ownership percentage acquired	100.00%
Gain loss on remeasurement of previously held ownership interest	$ 0
Gain on bargain purchase	819,000
Proportionate share						50.00%
CIH [Member] \| Mattress Fabrics [Member]
Business Acquisition [Line Items]
Consideration transferred	2,700,000
Fair value of the identifiable assets acquired, and liabilities assumed	3,500,000
Gain on bargain purchase	$ 819,000
CIH [Member] \| Minimum [Member] \| Equipment and Leasehold Improvements [Member]
Business Acquisition [Line Items]
Property, plant and equipment, remaining useful life				1 year
CIH [Member] \| Maximum [Member] \| Equipment and Leasehold Improvements [Member]
Business Acquisition [Line Items]
Property, plant and equipment, remaining useful life				10 years