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Business Segments and Geographic Information - Additional Information (Detail) (USD $)
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3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
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Mar. 30, 2013
Customer
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Mar. 24, 2012
Customer
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Mar. 30, 2013
Customer
Segment
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Mar. 24, 2012
Customer
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Sep. 29, 2012
Customer
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| Segment Reporting [Abstract] | |||||
| Number of reportable segments | 4 | ||||
| Intersegment revenues | $ 0 | $ 0 | $ 0 | $ 0 | |
| Customers with balances greater than 10% of accounts receivable | 0 | 0 | 0 | ||
| Customer represented greater than 10% of consolidated revenues | 0 | 0 | 0 | 0 | |
| Total revenue attributed to foreign countries | $ 153,500,000 | $ 117,500,000 | $ 323,600,000 | $ 235,000,000 | |
| More than 10% country wise revenue, description | Other than the United States, no single country accounted for more than 10% of consolidated revenues. | ||||