Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.10.0.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2018
Mar. 31, 2018
Jul. 01, 2017
Jun. 30, 2018
Jul. 01, 2017
Dec. 31, 2017
Income Tax Disclosure [Abstract]            
Income Tax Provision From Continuing Operations $ 19.0   $ 47.1 $ 46.2 $ 69.1  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount $ 2.6   $ 2.3 $ (2.7) $ 7.6  
Effective Tax Rate From Continuing Operations 19.40%   28.30% 23.30% 27.30%  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   21.00%       35.00%
Net Tax Expense, Estimated Impact of Tax Cuts and Jobs Act of 2017       $ 7.0   $ 71.8
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability           56.5
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount           15.3
Gross Unrecognized Tax Benefits, Including Interest $ 2.8   $ 3.5 2.8 $ 3.5 $ 2.3
Possible Decrease in Unrecognized Tax Benefits in the Next 12 Months $ 0.9     $ 0.9