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Business Combinations - Mattress Fabric Segment - Narrative (Detail) | 12 Months Ended
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May 01, 2016
Non-compete Agreement [Member] |
Business Acquisition [Line Items] |
Intangible asset, useful life | 15 years
Customer Relationships [Member] |
Business Acquisition [Line Items] |
Intangible asset, useful life | 17 years
Bodet And Horst [Member] | Equipment [Member] |
Business Acquisition [Line Items] |
Tangible asset, useful life | 7 years
Bodet And Horst [Member] | Non-compete Agreement [Member] |
Business Acquisition [Line Items] |
Intangible asset, useful life | 15 years
Bodet And Horst [Member] | Customer Relationships [Member] |
Business Acquisition [Line Items] |
Intangible asset, useful life | 17 years

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