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Significant Accounting Policies (Basis to Determine EPS Performance Multiplier) (Details) | 12 Months Ended
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Sep. 29, 2017
EPS Growth Rate | Less than 4% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 0.00%
EPS Growth Rate | 4% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 50.00%
EPS Growth Rate | 7.5% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 100.00%
EPS Growth Rate | 15% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 150.00%
EPS Growth Rate | 20% or Greater |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 200.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2017 | Less than 0% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 0.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2017 | 2.3% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 100.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2017 | 4.3% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 200.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2018 | Less than 2.1% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 0.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2018 | 2.3% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 100.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2018 | 4.3% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 200.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2019 | Less than 3.6% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 0.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2019 | 5.6% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 100.00%
EPS Growth Rate Restricted Stock Units 2017 Awards from Fiscal 2016 to Fiscal 2019 | 7.6% |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
EPS Performance Multiplier | 200.00%

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