Property and Equipment, Net - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 26, 2015 |
Sep. 27, 2014 |
Sep. 28, 2013 |
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| Property Plant and Equipment Useful Life and Values [Abstract] | |||
| Depreciation and amortization expense, including the amortization of intangible assets | $ 33,703 | $ 35,781 | $ 32,968 |
| X | ||||||||||
- Definition Property Plant and Equipment Useful Life and Values [Abstract] No definition available.
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| X | ||||||||||
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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