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Other Comprehensive Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Reclassification adjustments, before tax: |  |  |  |
Amortization of net actuarial (gain) loss, before tax | $ 0.3 | $ (0.5) | $ 0.8 | $ (1.4)
Amortization of prior service cost, before tax | 0.7 | 2.6 | 2.2 | 8.0
Removal of obligation relating to Union VEBA | 0.0 | 0.0 | 106.6 | 0.0
Other comprehensive income relating to VEBAs, before tax | 1.0 | 2.1 | 109.6 | 6.6
Available for sale securities: |  |  |  |
Unrealized gain on available for sale securities, before tax | (0.4) | (0.2) | (0.7) | 0.1
Reclassification of unrealized gain upon sale of available for sale securities, before tax | (0.1) | 0.0 | 0.1 | (0.2)
Other comprehensive income (loss) relating to available for sale securities | (0.5) | (0.2) | (0.6) | (0.1)
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax | 0.0 | 0.0 | (0.2) | 0.0
Foreign currency translation adjustment, before tax | (0.3) | 0.1 | (0.2) | 0.2
Other comprehensive income, before tax | 0.2 | 2.0 | 108.6 | 6.7
Reclassification adjustments, income tax (expense) benefit: |  |  |  |
Amortization of net actuarial (gain) loss, income tax (expense) benefit | (0.1) | 0.2 | (0.3) | 0.5
Amortization of prior service cost, income tax (expense) benefit | (0.2) | (1.0) | (0.8) | (3.0)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax |  |  | (40.4) |
Other comprehensive income relating to VEBAs, income tax (expense) benefit | (0.3) | (0.8) | (41.5) | (2.5)
Available for sale securities: |  |  |  |
Unrealized loss on available for sale securities | 0.1 | 0.1 | 0.2 | 0.0
Reclassification adjustments, income tax (expense) benefit: |  |  |  |
Reclassification of unrealized gain upon sale of available for sale securities, income tax (expense) benefit | 0.1 |  | 0.0 | 0.1
Other comprehensive income (loss) relating to available for sale securities, income tax (expense) benefit | 0.2 |  | 0.2 | 0.1
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax |  |  | 0.1 |
Foreign currency translation adjustment, income tax (expense) benefit | 0.0 | 0.0 | 0.0 | 0.0
Other comprehensive income, Income tax (expense) benefit | (0.1) | (0.7) | (41.2) | (2.4)
Reclassification adjustments, net of tax: |  |  |  |
Amortization of net actuarial (gain) loss, net of tax | 0.2 | (0.3) | 0.5 | (0.9)
Amortization of prior service cost, net of tax | 0.5 | 1.6 | 1.4 | 5.0
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax |  |  | 66.2 |
Other comprehensive income relating to VEBAs, net of tax | 0.7 | 1.3 | 68.1 | 4.1
Available for sale securities: |  |  |  |
Unrealized gain on available for sale securities, net of tax | (0.3) | (0.1) | (0.5) | 0.1
Reclassification adjustments, net of tax: |  |  |  |
Reclassification of unrealized gain upon sale of available for sale securities, net of tax | 0.0 |  | 0.1 | (0.1)
Other comprehensive income (loss) relating to available for sale securities, net of tax | (0.3) |  | (0.4) | 0.0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax |  |  | (0.1) |
Foreign currency translation adjustment, net of tax | (0.3) | 0.1 | (0.2) | 0.2
Other comprehensive income, net of tax | $ 0.1 | $ 1.3 | $ 67.4 | $ 4.3

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