Pension Plans and Other Postretirement Benefits (Details) (USD $) | 3 Months Ended | 12 Months Ended |
In Millions, unless otherwise specified | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012 |
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent | ($342.30) | ' | ' | ' | ($315.90) | ' | ' | ' | ($342.30) | ($315.90) | ' |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax | ' | ' | ' | ' | ' | ' | ' | ' | 24.6 | -35.7 | 24.8 |
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation | 1,210.60 | ' | ' | ' | 1,178.10 | ' | ' | ' | 1,210.60 | 1,178.10 | ' |
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation | 1,186.60 | ' | ' | ' | 1,162.60 | ' | ' | ' | 1,186.60 | 1,162.60 | ' |
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets | 883.1 | ' | ' | ' | 868.5 | ' | ' | ' | 883.1 | 868.5 | ' |
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Net pension/post-retirement gains | 0.8 | 0 | 0 | 0 | 44 | 0 | 0 | 23.5 | 1.1 | 107.6 | 0 |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Pension and Other Post-retirement Benefits | 20 | ' | ' | ' | ' | ' | ' | ' | 20 | ' | ' |
Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Benefit obligation at beginning of year | ' | ' | ' | 1,308.30 | ' | ' | ' | 1,396.90 | 1,308.30 | 1,396.90 | ' |
Plan participants' contributions | ' | ' | ' | ' | ' | ' | ' | ' | 0.3 | 0.3 | ' |
Actuarial loss/(gain) | ' | ' | ' | ' | ' | ' | ' | ' | 86.7 | -68.5 | ' |
Benefits paid, net | ' | ' | ' | ' | ' | ' | ' | ' | -91.3 | -87.4 | ' |
Plan amendments | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' |
Plan curtailments | ' | ' | ' | ' | ' | ' | ' | ' | -6.1 | -6 | ' |
Plan settlements | ' | ' | ' | ' | ' | ' | ' | ' | -1.6 | -6.4 | ' |
Net transfer due to acquisition | ' | ' | ' | ' | ' | ' | ' | ' | 9.2 | 0 | ' |
Foreign currency exchange rate changes | ' | ' | ' | ' | ' | ' | ' | ' | -17.8 | 3.8 | ' |
Benefit obligation at end of year | 1,356.70 | ' | ' | ' | 1,308.30 | ' | ' | ' | 1,356.70 | 1,308.30 | 1,396.90 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at beginning of year | ' | ' | ' | 1,012.30 | ' | ' | ' | 937.2 | 1,012.30 | 937.2 | ' |
Actual return on plan assets | ' | ' | ' | ' | ' | ' | ' | ' | 86.4 | 103.9 | ' |
Company contributions | ' | ' | ' | ' | ' | ' | ' | ' | 39.1 | 66.1 | ' |
Plan participants' contributions | ' | ' | ' | ' | ' | ' | ' | ' | 0.3 | 0.3 | ' |
Plan settlements | ' | ' | ' | ' | ' | ' | ' | ' | -1.6 | -6.4 | ' |
Benefits paid | ' | ' | ' | ' | ' | ' | ' | ' | -91.3 | -87.4 | ' |
Foreign currency exchange rate changes | ' | ' | ' | ' | ' | ' | ' | ' | -7.9 | -1.4 | ' |
Fair value of plan assets at end of year | 1,037.30 | ' | ' | ' | 1,012.30 | ' | ' | ' | 1,037.30 | 1,012.30 | 937.2 |
Defined Benefit Plan, Funded Status of Plan | -319.4 | ' | ' | ' | -296 | ' | ' | ' | -319.4 | -296 | ' |
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent | 8.1 | ' | ' | ' | 13.6 | ' | ' | ' | 8.1 | 13.6 | ' |
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities | -6.7 | ' | ' | ' | -6.6 | ' | ' | ' | -6.7 | -6.6 | ' |
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent | -320.8 | ' | ' | ' | -303 | ' | ' | ' | -320.8 | -303 | ' |
Defined Benefit Plan, Amounts Recognized in Balance Sheet | -319.4 | ' | ' | ' | -296 | ' | ' | ' | -319.4 | -296 | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax | 308.5 | ' | ' | ' | 269.5 | ' | ' | ' | 308.5 | 269.5 | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax | 0.3 | ' | ' | ' | 0.5 | ' | ' | ' | 0.3 | 0.5 | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax | 308.8 | ' | ' | ' | 270 | ' | ' | ' | 308.8 | 270 | ' |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | 0 | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | 63.4 | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Effect of Foreign Currency, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | -5.6 | ' | ' |
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | -0.3 | ' | ' |
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | -18.7 | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax | ' | ' | ' | ' | ' | ' | ' | ' | 38.8 | ' | ' |
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year | ' | ' | ' | ' | ' | ' | ' | ' | 23.6 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months | 80.7 | ' | ' | ' | ' | ' | ' | ' | 80.7 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Two | 79.9 | ' | ' | ' | ' | ' | ' | ' | 79.9 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Three | 80.9 | ' | ' | ' | ' | ' | ' | ' | 80.9 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Four | 86.6 | ' | ' | ' | ' | ' | ' | ' | 86.6 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Five | 81.4 | ' | ' | ' | ' | ' | ' | ' | 81.4 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter | 398.9 | ' | ' | ' | ' | ' | ' | ' | 398.9 | ' | ' |
Defined Benefit Plan, Accumulated Benefit Obligation | 1,322.10 | ' | ' | ' | 1,280.30 | ' | ' | ' | 1,322.10 | 1,280.30 | ' |
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Service cost | ' | ' | ' | ' | ' | ' | ' | ' | 14.4 | 27.1 | 26.7 |
Interest cost | ' | ' | ' | ' | ' | ' | ' | ' | 54.6 | 48.5 | 55.8 |
Expected return on plan assets | ' | ' | ' | ' | ' | ' | ' | ' | -69.3 | -67.4 | -63 |
Amortization of prior service cost | ' | ' | ' | ' | ' | ' | ' | ' | 0.3 | -0.2 | -5.5 |
Amortization of unrecognized net loss | ' | ' | ' | ' | ' | ' | ' | ' | 18.5 | 28.9 | 20.3 |
Net pension/post-retirement gains | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 37.4 | 0 |
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements | ' | ' | ' | ' | ' | ' | ' | ' | 0.2 | 2.2 | 2 |
Net periodic benefit cost | ' | ' | ' | ' | ' | ' | ' | ' | 18.7 | 1.7 | 36.3 |
Defined Benefit Plan, Amortization of Net Gains (Losses) | ' | ' | ' | ' | ' | ' | ' | ' | -9.9 | ' | ' |
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) | ' | ' | ' | ' | ' | ' | ' | ' | -0.3 | ' | ' |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 3.70% | ' | ' | ' | 4.30% | ' | ' | ' | 3.70% | 4.30% | ' |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase | 3.00% | ' | ' | ' | 2.50% | ' | ' | ' | 3.00% | 2.50% | ' |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate | ' | ' | ' | ' | ' | ' | ' | ' | 4.30% | 3.60% | ' |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets | ' | ' | ' | ' | ' | ' | ' | ' | 7.30% | 7.30% | ' |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase | ' | ' | ' | ' | ' | ' | ' | ' | 3.10% | 2.50% | ' |
Other Postretirement Benefit Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Benefit obligation at beginning of year | ' | ' | ' | 9.4 | ' | ' | ' | 39.7 | 9.4 | 39.7 | ' |
Plan participants' contributions | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 2.8 | ' |
Actuarial loss/(gain) | ' | ' | ' | ' | ' | ' | ' | ' | -2.5 | -0.2 | ' |
Benefits paid, net | ' | ' | ' | ' | ' | ' | ' | ' | -1.6 | -5.8 | ' |
Plan amendments | ' | ' | ' | ' | ' | ' | ' | ' | -0.3 | -3.3 | ' |
Plan curtailments | ' | ' | ' | ' | ' | ' | ' | ' | -1.2 | -25.2 | ' |
Plan settlements | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' |
Net transfer due to acquisition | ' | ' | ' | ' | ' | ' | ' | ' | 10.5 | 0 | ' |
Foreign currency exchange rate changes | ' | ' | ' | ' | ' | ' | ' | ' | -0.9 | -0.4 | ' |
Benefit obligation at end of year | 16.2 | ' | ' | ' | 9.4 | ' | ' | ' | 16.2 | 9.4 | 39.7 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at beginning of year | ' | ' | ' | 0 | ' | ' | ' | 0.4 | 0 | 0.4 | ' |
Actual return on plan assets | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' |
Company contributions | ' | ' | ' | ' | ' | ' | ' | ' | 1.6 | 2.6 | ' |
Plan participants' contributions | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 2.8 | ' |
Plan settlements | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' |
Benefits paid | ' | ' | ' | ' | ' | ' | ' | ' | -1.6 | -5.8 | ' |
Foreign currency exchange rate changes | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' |
Fair value of plan assets at end of year | 0 | ' | ' | ' | 0 | ' | ' | ' | 0 | 0 | 0.4 |
Defined Benefit Plan, Funded Status of Plan | -16.2 | ' | ' | ' | -9.4 | ' | ' | ' | -16.2 | -9.4 | ' |
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent | 0 | ' | ' | ' | 0 | ' | ' | ' | 0 | 0 | ' |
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities | -0.3 | ' | ' | ' | -1.7 | ' | ' | ' | -0.3 | -1.7 | ' |
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent | -15.9 | ' | ' | ' | -7.7 | ' | ' | ' | -15.9 | -7.7 | ' |
Defined Benefit Plan, Amounts Recognized in Balance Sheet | -16.2 | ' | ' | ' | -9.4 | ' | ' | ' | -16.2 | -9.4 | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax | -4.4 | ' | ' | ' | -2.2 | ' | ' | ' | -4.4 | -2.2 | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax | -0.3 | ' | ' | ' | 0.1 | ' | ' | ' | -0.3 | 0.1 | ' |
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax | -4.7 | ' | ' | ' | -2.1 | ' | ' | ' | -4.7 | -2.1 | ' |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | -0.3 | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | -2.5 | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Effect of Foreign Currency, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | 0.1 | ' | ' |
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | 0 | ' | ' |
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax | ' | ' | ' | ' | ' | ' | ' | ' | 0.1 | ' | ' |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax | ' | ' | ' | ' | ' | ' | ' | ' | -2.6 | ' | ' |
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year | ' | ' | ' | ' | ' | ' | ' | ' | 0.3 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months | 0.3 | ' | ' | ' | ' | ' | ' | ' | 0.3 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Two | 0.3 | ' | ' | ' | ' | ' | ' | ' | 0.3 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Three | 0.4 | ' | ' | ' | ' | ' | ' | ' | 0.4 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Four | 0.5 | ' | ' | ' | ' | ' | ' | ' | 0.5 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Year Five | 0.5 | ' | ' | ' | ' | ' | ' | ' | 0.5 | ' | ' |
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter | 3.2 | ' | ' | ' | ' | ' | ' | ' | 3.2 | ' | ' |
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Service cost | ' | ' | ' | ' | ' | ' | ' | ' | 2 | 0.4 | 0.5 |
Interest cost | ' | ' | ' | ' | ' | ' | ' | ' | 0.8 | 1.4 | 2.3 |
Expected return on plan assets | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 |
Amortization of prior service cost | ' | ' | ' | ' | ' | ' | ' | ' | 0 | -3.7 | -2.6 |
Amortization of unrecognized net loss | ' | ' | ' | ' | ' | ' | ' | ' | -0.1 | -2 | -2.1 |
Net pension/post-retirement gains | ' | ' | ' | ' | 70.2 | ' | ' | ' | 1.1 | 72.2 | 0 |
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 |
Net periodic benefit cost | ' | ' | ' | ' | ' | ' | ' | ' | 1.6 | -76.1 | -1.9 |
Defined Benefit Plan, Amortization of Net Gains (Losses) | ' | ' | ' | ' | ' | ' | ' | ' | 0.9 | ' | ' |
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit) | ' | ' | ' | ' | ' | ' | ' | ' | 0.1 | ' | ' |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 3.70% | ' | ' | ' | 4.90% | ' | ' | ' | 3.70% | 4.90% | ' |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate | ' | ' | ' | ' | ' | ' | ' | ' | 4.90% | 3.90% | ' |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets | ' | ' | ' | ' | ' | ' | ' | ' | ' | 3.00% | ' |
United States Pension Plans of US Entity, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assets, Target Allocations [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Percent of Plan Assets | 80.00% | ' | ' | ' | ' | ' | ' | ' | 80.00% | ' | ' |
Equity Securities [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets | ' | ' | ' | ' | ' | ' | ' | ' | 8.40% | ' | ' |
Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assets, Target Allocations [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Target Plan Asset Allocations | ' | ' | ' | ' | ' | ' | ' | ' | 62.00% | ' | ' |
Debt Securities [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets | ' | ' | ' | ' | ' | ' | ' | ' | 3.50% | ' | ' |
Debt Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assets, Target Allocations [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Target Plan Asset Allocations | ' | ' | ' | ' | ' | ' | ' | ' | 37.00% | ' | ' |
Other Defined Benefit Plan Assets [Member] | United States Pension Plans of US Entity, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Assets, Target Allocations [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Target Plan Asset Allocations | ' | ' | ' | ' | ' | ' | ' | ' | 1.00% | ' | ' |
Fair Value, Inputs, Level 1 [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 306.9 | ' | ' | ' | 278.9 | ' | ' | ' | 306.9 | 278.9 | ' |
Fair Value, Inputs, Level 1 [Member] | Equity Securities, United States [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 262.2 | ' | ' | ' | 259.7 | ' | ' | ' | 262.2 | 259.7 | ' |
Fair Value, Inputs, Level 1 [Member] | Equity Securities, International [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 39.6 | ' | ' | ' | 17.5 | ' | ' | ' | 39.6 | 17.5 | ' |
Fair Value, Inputs, Level 1 [Member] | US Government Agencies Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 0 | ' | ' | ' | 0 | ' | ' | ' | 0 | 0 | ' |
Fair Value, Inputs, Level 1 [Member] | Foreign Government Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 0 | ' | ' | ' | 0 | ' | ' | ' | 0 | 0 | ' |
Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 0 | ' | ' | ' | 0 | ' | ' | ' | 0 | 0 | ' |
Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 5.1 | ' | ' | ' | 1.7 | ' | ' | ' | 5.1 | 1.7 | ' |
Fair Value, Inputs, Level 1 [Member] | Other Defined Benefit Plan Assets [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 0 | ' | ' | ' | 0 | ' | ' | ' | 0 | 0 | ' |
Fair Value, Inputs, Level 2 [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 730.4 | ' | ' | ' | 733.4 | ' | ' | ' | 730.4 | 733.4 | ' |
Fair Value, Inputs, Level 2 [Member] | Equity Securities, United States [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 78.6 | ' | ' | ' | 91.4 | ' | ' | ' | 78.6 | 91.4 | ' |
Fair Value, Inputs, Level 2 [Member] | Equity Securities, International [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 264.4 | ' | ' | ' | 292 | ' | ' | ' | 264.4 | 292 | ' |
Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 317.5 | ' | ' | ' | 253.5 | ' | ' | ' | 317.5 | 253.5 | ' |
Fair Value, Inputs, Level 2 [Member] | Foreign Government Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 36.8 | ' | ' | ' | 25.2 | ' | ' | ' | 36.8 | 25.2 | ' |
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 26.7 | ' | ' | ' | 29.4 | ' | ' | ' | 26.7 | 29.4 | ' |
Fair Value, Inputs, Level 2 [Member] | Cash and Cash Equivalents [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 0 | ' | ' | ' | 36.1 | ' | ' | ' | 0 | 36.1 | ' |
Fair Value, Inputs, Level 2 [Member] | Other Defined Benefit Plan Assets [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 6.4 | ' | ' | ' | 5.8 | ' | ' | ' | 6.4 | 5.8 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 1,037.30 | ' | ' | ' | 1,012.30 | ' | ' | ' | 1,037.30 | 1,012.30 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | Equity Securities, United States [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 340.8 | ' | ' | ' | 351.1 | ' | ' | ' | 340.8 | 351.1 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | Equity Securities, International [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 304 | ' | ' | ' | 309.5 | ' | ' | ' | 304 | 309.5 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | US Government Agencies Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 317.5 | ' | ' | ' | 253.5 | ' | ' | ' | 317.5 | 253.5 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | Foreign Government Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 36.8 | ' | ' | ' | 25.2 | ' | ' | ' | 36.8 | 25.2 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | Corporate Debt Securities [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 26.7 | ' | ' | ' | 29.4 | ' | ' | ' | 26.7 | 29.4 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | Cash and Cash Equivalents [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 5.1 | ' | ' | ' | 37.8 | ' | ' | ' | 5.1 | 37.8 | ' |
Estimate of Fair Value, Fair Value Disclosure [Member] | Other Defined Benefit Plan Assets [Member] | Pension Plans, Defined Benefit [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair value of plan assets at end of year | 6.4 | ' | ' | ' | 5.8 | ' | ' | ' | 6.4 | 5.8 | ' |
Restructuring Plan 2013 [Member] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Net pension/post-retirement gains | ' | ' | ' | ' | ' | ' | ' | ' | ' | $37.40 | ' |