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Business Segments and Geographic Information - Additional Information (Detail) (USD $)
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3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Mar. 28, 2015
Segment
Customer
|
Mar. 29, 2014
Customer
|
Mar. 28, 2015
Segment
Customer
|
Mar. 29, 2014
Customer
|
Sep. 27, 2014
Customer
|
|
| Segment Reporting Disclosure [Line Items] | |||||
| Number of reportable segments | 4 | 4 | |||
| Revenues | $ 655,500,000 | $ 625,000,000 | $ 1,308,300,000 | $ 1,237,400,000 | |
| Customers with balances greater than 10% of accounts receivable | 0 | 0 | 0 | ||
| Customer represented greater than 10% of consolidated revenues | 0 | 0 | 0 | 0 | |
| Countries with greater than 10% of consolidated revenue | 0 | 0 | |||
| Number of reportable segments | 4 | ||||
| Intersegment | |||||
| Segment Reporting Disclosure [Line Items] | |||||
| Revenues | $ 0 | $ 0 | $ 0 | $ 0 | |