Annual report pursuant to Section 13 and 15(d)

Postretirement Benefits Schedule of Net Periodic Benefit Costs (Details)

v3.6.0.2
Postretirement Benefits Schedule of Net Periodic Benefit Costs (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Oct. 01, 2016
 [1]
Jul. 02, 2016
 [1]
Apr. 02, 2016
 [1]
Dec. 31, 2015
Oct. 03, 2015
 [1]
Jul. 04, 2015
 [1]
Apr. 04, 2015
 [1]
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]                      
Settlement Loss $ 55.1 [1] $ 0.0 $ 0.0 $ 0.0 $ 82.3 [1] $ 0.0 $ 0.0 $ 0.0 $ 55.1 $ 82.3 $ 27.9
Defined Benefit Plan, (Increase) Decrease in Pension Expense due to Change in Assumption, Asset Return                 5.6    
Pension Plans [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Interest Cost                 35.8 47.9 58.6
Expected Return on Plan Assets                 (38.5) (55.7) (58.8)
Amortization of Prior Service Credits                 0.0 0.0 0.0
Amortization of Net Actuarial Losses                 17.4 19.5 15.0
Settlement Loss                 55.1 82.3 27.9
Net Pension and Other Benefit Costs                 $ 69.8 $ 94.0 $ 42.7
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate                 3.58% 3.95% 4.85%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 4.00%       4.40%       4.00% 4.40%  
Defined Benefit Plan, (Increase) Decrease in Interest Costs for Pension and Other Postretirement Benefits due to Change in Discount Rate Methodology                 $ 8.2    
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets                 5.25% 6.00% 6.25%
Other Postretirement Benefit Plans [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Interest Cost                 $ 1.4 $ 1.8 $ 2.0
Expected Return on Plan Assets                 0.0 0.0 0.0
Amortization of Prior Service Credits                 (0.7) (0.7) (0.9)
Amortization of Net Actuarial Losses                 0.0 1.3 0.0
Settlement Loss                 0.0 0.0 0.0
Net Pension and Other Benefit Costs                 $ 0.7 $ 2.4 $ 1.1
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate                 3.30% 3.75% 4.40%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 3.93%       4.23%       3.93% 4.23%  
Defined Benefit Plan, (Increase) Decrease in Interest Costs for Pension and Other Postretirement Benefits due to Change in Discount Rate Methodology                 $ 0.4    
[1] Pension settlement charges are discussed in Note 17 – Postretirement Benefits in the Notes to Consolidated Financial Statements.