Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.19.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 29, 2018
Dec. 30, 2017
Mar. 30, 2019
Mar. 31, 2018
Sep. 28, 2019
Sep. 29, 2018
Income Tax Contingency [Line Items]            
Recognized provisional amount $ 0.1 $ 10.6   $ 10.6   $ 10.7
Effective income tax rate (percent)     60.50% 9.40%   1.70%
Minimum | Forecast            
Income Tax Contingency [Line Items]            
Effective income tax rate (percent)         16.00%  
Maximum | Forecast            
Income Tax Contingency [Line Items]            
Effective income tax rate (percent)         18.00%