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Business Segments and Geographic Information - Additional Information (Detail) (USD $)
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3 Months Ended | ||
|---|---|---|---|
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Dec. 29, 2012
Customer
Segment
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Dec. 24, 2011
Customer
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Sep. 29, 2012
Customer
|
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| Segment Reporting Disclosure [Line Items] | |||
| Number of reportable segments | 4 | ||
| Intersegment revenues | $ 0 | $ 0 | |
| Customers with balances greater than 10% of accounts receivable | 0 | 0 | |
| Customer represented greater than 10% of product revenues | 0 | 0 | |
| Total revenue attributed to foreign countries | $ 175,400,000 | $ 117,500,000 | |
| More than 10% country wise revenue, description | Other than the United States, no single country accounted for more than 10% of consolidated revenues. | ||