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Commitments and Contingencies (Detail) - USD ($)
Nov. 01, 2015
May. 03, 2015
Nov. 02, 2014
Mattress Fabrics [Member] | Capital Addition Purchase Commitments [Member]      
Commitments and Contingencies Disclosure [Line Items]      
Open purchase commitments $ 1,900,000 $ 2,300,000 $ 3,000,000