Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2017 |
Sep. 24, 2016 |
Sep. 26, 2015 |
|
| Commitments and Contingencies Disclosure [Abstract] | |||
| Outstanding letters of credit | $ 1,800 | ||
| Restricted cash | 12,645 | $ 10,910 | |
| Estimated annual purchase commitments for fiscal 2018 | 104,400 | ||
| Estimated annual purchase commitments for fiscal 2019 | 31,300 | ||
| Estimated annual purchase commitments for fiscal 2020 | 18,900 | ||
| Estimated annual purchase commitments for fiscal 2021 | 11,400 | ||
| Estimated annual purchase commitments for fiscal 2022 | 4,300 | ||
| Estimated annual purchase commitments for thereafter | $ 800 | ||
| Minimum operating lease agreement terms | 1 year | ||
| Maximum operating lease agreement terms | 12 years | ||
| Operating lease rental expense | $ 31,700 | $ 25,000 | $ 23,100 |
| X | ||||||||||
- Definition Maximum operating lease agreement terms. No definition available.
|
| X | ||||||||||
- Definition Minimum operating lease agreement terms. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
|
| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing after the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing in the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing in the fourth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement maturing in the third fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. No definition available.
|
| X | ||||||||||
- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|