Annual report pursuant to Section 13 and 15(d)

Income Taxes - Tax Cuts and Jobs Act (Details)

v3.8.0.1
Income Taxes - Tax Cuts and Jobs Act (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 27, 2018
Dec. 28, 2017
Effect of Tax Cuts and Jobs Act of 2017 [Abstract]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   35.00%
Provisional amount related to Tax Cuts and Jobs Act of 2017   $ (17.9)
Scenario, Forecast [Member]    
Effect of Tax Cuts and Jobs Act of 2017 [Abstract]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%