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Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 2019
Income Tax Disclosure [Abstract] |
Components of Income Taxes and Comprehensive Provision for Income Taxes Allocation |
| Three months ended |  |  | Six months ended |
| June 30, |  |  | June 30, |
| 2018 |  |  | 2019 |  |  | 2018 |  |  | 2019 |
| (In millions) |
Expected tax expense, at U.S. federal statutory income tax rate of 21% | $ | 23.2 |  |  | $ | 8.5 |  |  | $ | 44.1 |  |  | $ | 17.6 |
Non-U.S. tax rates |  | 7.9 |  |  |  | 2.3 |  |  |  | 15.0 |  |  |  | 4.7 |
Incremental net tax expense (benefit) on earnings and losses of U.S. and non-U.S. companies |  | .7 |  |  |  | (.6 | ) |  |  | 1.1 |  |  |  | (1.1 | )
Global intangible low-tax income, net |  | - |  |  |  | .7 |  |  |  | - |  |  |  | 1.5 |
Adjustment to reserve for uncertain tax positions, net |  | - |  |  |  | .2 |  |  |  | 1.4 |  |  |  | .4 |
Canada-Germany APA |  | - |  |  |  | - |  |  |  | (1.4 | ) |  |  | - |
Other, net |  | .6 |  |  |  | .3 |  |  |  | 1.2 |  |  |  | 1.1 |
Income tax expense | $ | 32.4 |  |  | $ | 11.4 |  |  | $ | 61.4 |  |  | $ | 24.2 |
Comprehensive provision for income taxes allocable to: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | $ | 32.4 |  |  | $ | 11.4 |  |  | $ | 61.4 |  |  | $ | 24.2 |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension plans |  | 1.1 |  |  |  | 1.2 |  |  |  | 2.2 |  |  |  | 2.4 |
OPEB plans |  | (.1 | ) |  |  | (.1 | ) |  |  | (.1 | ) |  |  | (.1 | )
Total | $ | 33.4 |  |  | $ | 12.5 |  |  | $ | 63.5 |  |  | $ | 26.5 |

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