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Income Taxes (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 02, 2017 | Apr. 02, 2017 | Jun. 26, 2016 | Mar. 27, 2016 | Dec. 27, 2015 | Jul. 02, 2017 | Jun. 26, 2016 | Oct. 02, 2016
Effective tax rate (as a percent) |  |  |  |  |  | 30.40% | 34.30% |
Income tax benefits | $ (13,114,000) |  | $ (10,805,000) |  |  | $ (36,462,000) | $ (27,497,000) |
Tax benefit recognized in connection with the IRS examination settlement |  | $ 1,200,000 |  |  |  |  |  |
Payments made to tax authorities | 23,000,000 |  |  |  |  |  |  |
Acquisition and integration expenses and debt pre-payment fees |  |  |  | $ 13,300,000 |  |  |  |
Income tax benefit on business combination acquisition and integration expenses and debt pre-payment fees |  |  |  | 0 |  |  |  |
Non-deductible expenses related to business acquisition |  |  |  | 6,400,000 |  |  |  |
Business combination integration costs and debt pre-payment fees |  |  |  | $ 6,900,000 |  |  |  |
R&D Credits |  |  |  |  | $ 2,000,000 |  |  |
Effective income tax rate excluding R&D credits (as a percent) |  |  |  |  |  |  | 32.70% |
Liability for uncertain tax positions | 5,900,000 |  |  |  |  | 5,900,000 |  | $ 13,300,000
Accounting Standards Update 2016-09 |  |  |  |  |  |  |  |
Income tax benefits | $ 2,100,000 |  |  |  |  | $ 4,800,000 |  |

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction of business combination and integration and debt pre-payment fees. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible business combination acquisition related expenses. + References No definition available. + Details
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