Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Income Tax Provision From Continuing Operations $ 29.8 $ 24.2  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount $ (5.4) $ 5.6  
Effective Tax Rate From Continuing Operations 27.00% 24.60%  
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 $ 4.2 $ 2.3
Possible Decrease in Unrecognized Tax Benefits in the Next 12 Months $ 0.9