Commitments and Contingencies (Detail) - Mattress Fabrics [Member] - Capital Addition Purchase Commitments [Member] - USD ($)
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9 Months Ended |
12 Months Ended |
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May 16, 2016 |
Jan. 29, 2017 |
May 01, 2016 |
Jan. 31, 2016 |
| Commitments and Contingencies Disclosure [Line Items] |
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| Open purchase commitments |
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$ 8,200,000
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$ 10,600,000
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$ 977,000
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| Buildings and Improvements [Member] |
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| Commitments and Contingencies Disclosure [Line Items] |
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| Open purchase commitments |
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4,900,000
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$ 9,300,000
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| Open purchase commitments, completed work |
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4,500,000
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| Contractual obligation |
$ 11,100,000
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4,900,000
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| Contractual Obligation due in fiscal 2016 |
1,900,000
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| Contractual obligation due in fiscal 2017 |
4,300,000
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| Contractual obligation due in fiscal 2018 |
3,800,000
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3,800,000
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| Contractual obligation due in fiscal 2019 |
1,100,000
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$ 1,100,000
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| Buildings and Improvements [Member] | London Interbank Offered Rate (LIBOR) [Member] |
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| Commitments and Contingencies Disclosure [Line Items] |
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| Percentage rate added to variable rate |
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2.25%
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| Variable interest rate |
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30 day LIBOR rate
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| Buildings and Improvements [Member] | Letter of Credit [Member] |
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| Commitments and Contingencies Disclosure [Line Items] |
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| Letter of credit |
$ 5,000,000
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| Unused fee calculated on letter of credit |
0.10%
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