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Property and Equipment - Components of Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 28, 2012
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Sep. 28, 2012
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|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 57,065 | $ 55,152 |
| Less accumulated depreciation and amortization | (27,517) | (24,943) |
| Property and equipment-net | 29,548 | 30,209 |
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Machinery and equipment [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 42,159 | 38,795 |
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Leasehold improvements [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 4,992 | 4,876 |
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Furniture and fixtures [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 699 | 699 |
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Construction in progress[Member]
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| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 2,567 | 4,188 |
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Computer equipment and software [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 6,648 | $ 6,594 |