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Income Taxes - Provision for Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]    
Provision for income taxes $ 43.1 $ 77.7
Pretax income before equity in net income of affiliates $ 286.9 $ 447.8
Effective tax rate 15.00% 17.40%