Restructuring Activities - Summary of Restructuring (Credit) Expense and Restructuring Related Charges (Parenthetical) (Detail) - USD ($) |
12 Months Ended | 24 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 03, 2026 |
May 03, 2026 |
Apr. 27, 2025 |
Apr. 28, 2024 |
May 03, 2026 |
|||||||||||||
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||
| Restructuring expense and restructuring related charges | [1],[2],[3] | $ (1,392,000) | $ 9,360,000 | $ 676,000 | |||||||||||||
| Restructuring credit (expense) | [4],[5],[6] | (2,323,000) | 7,739,000 | 636,000 | |||||||||||||
| Bedding Fabrics Segment [Member] | |||||||||||||||||
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||
| Restructuring expense and restructuring related charges | (3,100,000) | ||||||||||||||||
| Restructuring expense and related charges | 8.5 | ||||||||||||||||
| Unallocated Corporate Segment [Member] | |||||||||||||||||
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||
| Restructuring expense and related charges | 540,000 | ||||||||||||||||
| Upholstery Fabrics Segment [Member] | |||||||||||||||||
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||
| Restructuring expense and related charges | 1,700,000 | 290,000 | 676,000 | ||||||||||||||
| Cost of Sales [Member] | |||||||||||||||||
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||
| Restructuring expense and restructuring related charges | (1,400,000) | ||||||||||||||||
| Restructuring related charge | 931,000 | 1,600,000 | $ 40,000 | ||||||||||||||
| May 1, 2024 Restructuring Plan [Member] | |||||||||||||||||
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||
| Restructuring expense and restructuring related charges | (3,400,000) | ||||||||||||||||
| Restructuring expense and related charges | 8,700,000 | $ 5,300,000 | |||||||||||||||
| April 24, 2025 Restructuring Plan [Member] | |||||||||||||||||
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||
| Restructuring expense and related charges | $ 2,000,000 | $ 2,700,000 | $ 676,000 | ||||||||||||||
| |||||||||||||||||