Employee Benefit Plans (Fair Value Hierarchy for Pension and Postretirement Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 |
Level 3 [Member] | | | |
Fair value of plan assets | $ 1.5 | $ 1.5 | $ 1.8 |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | | | |
Fair value of plan assets | 63.1 | 51.4 | 408.3 |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | 19.1 | 15.7 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | 7.4 | 7.9 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | International Equity [Member] | | | |
Fair value of plan assets | 9.7 | 6.3 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Emerging Markets [Member] | | | |
Fair value of plan assets | 2 | 1.5 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | 44 | 35.6 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | 31.8 | 25.7 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Government Securities [Member] | | | |
Fair value of plan assets | 12.2 | 9.9 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Cash [Member] | | | |
Fair value of plan assets | 0 | 0.1 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | | | |
Fair value of plan assets | 0 | 0.1 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | International Equity [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Emerging Markets [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Cash [Member] | | | |
Fair value of plan assets | 0 | 0.1 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | | | |
Fair value of plan assets | 63.1 | 51.3 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | 19.1 | 15.7 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | 7.4 | 7.9 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | International Equity [Member] | | | |
Fair value of plan assets | 9.7 | 6.3 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Emerging Markets [Member] | | | |
Fair value of plan assets | 2 | 1.5 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | 44 | 35.6 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | 31.8 | 25.7 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | 12.2 | 9.9 | |
Domestic Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Cash [Member] | | | |
Fair value of plan assets | 0 | 0 | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | | | |
Fair value of plan assets | 705.4 | 613.7 | $ 576.3 |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | 125 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | 33.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | International Equity [Member] | | | |
Fair value of plan assets | 91.1 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | 539.8 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | 223.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Government Securities [Member] | | | |
Fair value of plan assets | 236 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | 79.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | 40.6 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Cash [Member] | | | |
Fair value of plan assets | 29.3 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Real Estate [Member] | | | |
Fair value of plan assets | 0.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Other [Member] | | | |
Fair value of plan assets | 0.6 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Derivatives [Member] | | | |
Fair value of plan assets | 9.8 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | | | |
Fair value of plan assets | 29.3 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | International Equity [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | 29.3 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Cash [Member] | | | |
Fair value of plan assets | 29.3 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Real Estate [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Other [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 1 [Member] | Derivatives [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | | | |
Fair value of plan assets | 674.6 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | 125 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | 33.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | International Equity [Member] | | | |
Fair value of plan assets | 91.1 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | 539.8 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | 223.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | 236 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | 79.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | 9.8 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Cash [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Real Estate [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Other [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 2 [Member] | Derivatives [Member] | | | |
Fair value of plan assets | 9.8 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | | | |
Fair value of plan assets | 1.5 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | International Equity [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | 1.5 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Cash [Member] | | | |
Fair value of plan assets | 0 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Real Estate [Member] | | | |
Fair value of plan assets | 0.9 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Other [Member] | | | |
Fair value of plan assets | 0.6 | | |
Foreign Plan [Member] | Defined Benefit Pension Plans [Member] | Level 3 [Member] | Derivatives [Member] | | | |
Fair value of plan assets | $ 0 | | |
Foreign Plan [Member] | Foreign Plan [Member] | | | |
Fair value of plan assets | | 613.7 | |
Foreign Plan [Member] | Foreign Plan [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | | 135.3 | |
Foreign Plan [Member] | Foreign Plan [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | | 27.7 | |
Foreign Plan [Member] | Foreign Plan [Member] | International Equity [Member] | | | |
Fair value of plan assets | | 107.6 | |
Foreign Plan [Member] | Foreign Plan [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 419.6 | |
Foreign Plan [Member] | Foreign Plan [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | | 194.8 | |
Foreign Plan [Member] | Foreign Plan [Member] | Government Securities [Member] | | | |
Fair value of plan assets | | 192.8 | |
Foreign Plan [Member] | Foreign Plan [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 32 | |
Foreign Plan [Member] | Foreign Plan [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | | 58.8 | |
Foreign Plan [Member] | Foreign Plan [Member] | Cash [Member] | | | |
Fair value of plan assets | | 23.2 | |
Foreign Plan [Member] | Foreign Plan [Member] | Real Estate [Member] | | | |
Fair value of plan assets | | 0.9 | |
Foreign Plan [Member] | Foreign Plan [Member] | Other [Member] | | | |
Fair value of plan assets | | 0.6 | |
Foreign Plan [Member] | Foreign Plan [Member] | Derivatives [Member] | | | |
Fair value of plan assets | | 34.1 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | | | |
Fair value of plan assets | | 23.2 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | International Equity [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | | 23.2 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Cash [Member] | | | |
Fair value of plan assets | | 23.2 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Real Estate [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Other [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 1 [Member] | Derivatives [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | | | |
Fair value of plan assets | | 589 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | | 135.3 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | | 27.7 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | International Equity [Member] | | | |
Fair value of plan assets | | 107.6 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 419.6 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | | 194.8 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | | 192.8 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 32 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | | 34.1 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Cash [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Real Estate [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Other [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 2 [Member] | Derivatives [Member] | | | |
Fair value of plan assets | | 34.1 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | | | |
Fair value of plan assets | | 1.5 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Total Equity Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Domestic Equity [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | International Equity [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Total Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Corporate Bonds [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Government Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Other Fixed Income Securities [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Total Other Securities [Member] | | | |
Fair value of plan assets | | 1.5 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Cash [Member] | | | |
Fair value of plan assets | | 0 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Real Estate [Member] | | | |
Fair value of plan assets | | 0.9 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Other [Member] | | | |
Fair value of plan assets | | 0.6 | |
Foreign Plan [Member] | Foreign Plan [Member] | Level 3 [Member] | Derivatives [Member] | | | |
Fair value of plan assets | | $ 0 | |