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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016 | Sep. 29, 2018
Income Tax Disclosure [Abstract] |  |  |  |
Other Tax Expense (Benefit) | $ 20.0 |  |  |
Company's effective tax rate | 5.50% | (324.50%) |  |
Blended statutory income tax rate | 21.00% | 24.50% | 35.00% |
Final Net Tax Benefit amount for Tax Cuts and Job Act | $ 341.2 | $ 329.2 |  | $ 346.2
Provisional tax benefit of tax reform that relates to deferred taxes |  |  |  | $ 346.4
Benefit Reduction for Tax Cuts and Jobs Act | 5.0 |  |  |
Increase to income tax expense adoption of ASU 2016-16 | 29.1 |  |  |
Decrease in deferred tax liabilities due to ASC 2016-16 | 49.1 |  |  |
Increase to Net Income resulted from adoption of ASU 2016-16 | 20.0 |  |  |
Increase to Earnings per Share resulted from adoption of ASC 2016-16 | 0.0 |  |  |
Increase in deferred tax assets resulting from adoption of ASCU 2016-16 | 2.9 |  |  |
Decease in accumulated deficit resulting from adoption of ASCU 2016-16 | 2.5 |  |  |
Decease to prepaid taxes resulting from adoption of ASCU 2016-16 | $ 0.4 |  |  |

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