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Goodwill - Narrative (Detail) - USD ($) | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 03, 2020 | Feb. 02, 2020 | May 03, 2020 | May 01, 2022 | May 02, 2021 | Apr. 28, 2019
Goodwill [Line Items] |  |  |  |  |  |  |
goodwill |  |  |  |  | $ 0 | $ 0 |
Asset impairment charges | [1] |  |  | $ 13,712,000 |  |  |
Continuing Operation [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
goodwill |  |  |  |  |  |  | $ 13,600,000
Asset impairment charges |  |  |  | 13,600,000 |  |  |
Continuing Operation [Member] | Mattress Fabrics [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
goodwill |  |  |  |  |  |  | 11,500,000
Continuing Operation [Member] | Upholstery Fabrics [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
goodwill |  |  |  |  |  |  | 2,100,000
Discontinued Operations [Member] |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
goodwill |  |  |  |  |  |  | $ 13,600,000
Asset impairment charges |  | $ 2,400,000 | $ 11,200,000 | $ 13,600,000 |  |  |
[1] | During fiscal 2020, we incurred asset impairment charges totaling $13.7 million, of which $13.6 million and $143,000 pertained to goodwill and a tradename associated with Read, respectively. Of this $13.7 million, $11.5 million and $2.2 million pertained to the mattress fabrics segment and upholstery fabrics segment, respectively.

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