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Goodwill and Other Intangible Assets - Additional Information (Detail)
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3 Months Ended |
|---|---|
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Dec. 27, 2014
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| Minimum | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Amortized acquired intangible assets with definite lives useful period (in years) | 3 years |
| Maximum | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Amortized acquired intangible assets with definite lives useful period (in years) | 7 years |