Employee Benefit And Retirement Plans Employee Benefit And Retirement Plans (Defined Benefit Plan, Fair Value of Plan Assets Disclosures) (Details) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 |
United States Pension Plan of US Entity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | $ 1,230.6 | $ 722.9 | $ 752 |
United States Pension Plan of US Entity [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 270.4 | 154.9 | |
United States Pension Plan of US Entity [Member] | International Equity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 181.6 | 106 | |
United States Pension Plan of US Entity [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 583.7 | 409.5 | |
United States Pension Plan of US Entity [Member] | Alternative Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 166.1 | 26.3 | |
United States Pension Plan of US Entity [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 28.8 | 26.2 | |
International [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 565.3 | 560.3 | 584.4 |
International [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 71 | 104.4 | |
International [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 215.6 | 177.7 | |
International [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 278.7 | 278.2 | |
Fair Value, Inputs, Level 1 [Member] | United States Pension Plan of US Entity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 638.9 | 356.4 | |
Fair Value, Inputs, Level 1 [Member] | United States Pension Plan of US Entity [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 149.8 | 25.8 | |
Fair Value, Inputs, Level 1 [Member] | United States Pension Plan of US Entity [Member] | International Equity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 80.4 | 20.3 | |
Fair Value, Inputs, Level 1 [Member] | United States Pension Plan of US Entity [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 372.7 | 307.7 | |
Fair Value, Inputs, Level 1 [Member] | United States Pension Plan of US Entity [Member] | Alternative Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 23.5 | 0 | |
Fair Value, Inputs, Level 1 [Member] | United States Pension Plan of US Entity [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 12.5 | 2.6 | |
Fair Value, Inputs, Level 1 [Member] | International [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 194.9 | 73.5 | |
Fair Value, Inputs, Level 1 [Member] | International [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 26.2 | 70 | |
Fair Value, Inputs, Level 1 [Member] | International [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 164 | 0 | |
Fair Value, Inputs, Level 1 [Member] | International [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 4.7 | 3.5 | |
Fair Value, Inputs, Level 2 [Member] | United States Pension Plan of US Entity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 15.2 | 43.3 | |
Fair Value, Inputs, Level 2 [Member] | United States Pension Plan of US Entity [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 2 [Member] | United States Pension Plan of US Entity [Member] | International Equity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 2 [Member] | United States Pension Plan of US Entity [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 19.7 | |
Fair Value, Inputs, Level 2 [Member] | United States Pension Plan of US Entity [Member] | Alternative Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 2 [Member] | United States Pension Plan of US Entity [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 15.2 | 23.6 | |
Fair Value, Inputs, Level 2 [Member] | International [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 217.8 | 303.6 | |
Fair Value, Inputs, Level 2 [Member] | International [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 2 [Member] | International [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 96.2 | |
Fair Value, Inputs, Level 2 [Member] | International [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 217.8 | 207.4 | |
Fair Value, Inputs, Level 3 [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 81.3 | 26.9 | $ 68.3 |
Fair Value, Inputs, Level 3 [Member] | United States Pension Plan of US Entity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 62.5 | 26.3 | |
Fair Value, Inputs, Level 3 [Member] | United States Pension Plan of US Entity [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 3 [Member] | United States Pension Plan of US Entity [Member] | International Equity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 3 [Member] | United States Pension Plan of US Entity [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 3 [Member] | United States Pension Plan of US Entity [Member] | Alternative Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 61.4 | 26.3 | |
Fair Value, Inputs, Level 3 [Member] | United States Pension Plan of US Entity [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 1.1 | 0 | |
Fair Value, Inputs, Level 3 [Member] | International [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 18.8 | 0.6 | |
Fair Value, Inputs, Level 3 [Member] | International [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Fair Value, Inputs, Level 3 [Member] | International [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 5.3 | 0 | |
Fair Value, Inputs, Level 3 [Member] | International [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 13.5 | 0.6 | |
Portion at Other than Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 514 | 296.9 | |
Portion at Other than Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 120.6 | 129.1 | |
Portion at Other than Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | International Equity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 101.2 | 85.7 | |
Portion at Other than Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 211 | 82.1 | |
Portion at Other than Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Alternative Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 81.2 | 0 | |
Portion at Other than Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Portion at Other than Fair Value Measurement [Member] | International [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 133.8 | 182.6 | |
Portion at Other than Fair Value Measurement [Member] | International [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 44.8 | 34.4 | |
Portion at Other than Fair Value Measurement [Member] | International [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 46.3 | 81.5 | |
Portion at Other than Fair Value Measurement [Member] | International [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 42.7 | 66.7 | |
Estimate of Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 716.6 | 426 | |
Estimate of Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 149.8 | 25.8 | |
Estimate of Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | International Equity [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 80.4 | 20.3 | |
Estimate of Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 372.7 | 327.4 | |
Estimate of Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Alternative Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 84.9 | 26.3 | |
Estimate of Fair Value Measurement [Member] | United States Pension Plan of US Entity [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 28.8 | 26.2 | |
Estimate of Fair Value Measurement [Member] | International [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 431.5 | 377.7 | |
Estimate of Fair Value Measurement [Member] | International [Member] | Equity Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 26.2 | 70 | |
Estimate of Fair Value Measurement [Member] | International [Member] | Fixed Income Securities [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 169.3 | 96.2 | |
Estimate of Fair Value Measurement [Member] | International [Member] | Cash and Other Investments [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | $ 236 | $ 211.5 | |