Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

v3.8.0.1
Significant Accounting Policies (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Excess Tax Benefit Recognized $ 7.7  
Net Cash Provided by (Used in) Operating Activities 254.8 $ 289.9
Net Cash Provided by (Used in) Financing Activities (173.7) $ (137.7)
Accounting Standards Update 2016-09 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Net Cash Provided by (Used in) Operating Activities 11.1  
Net Cash Provided by (Used in) Financing Activities $ 11.1