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Income Taxes (Tables) | 9 Months Ended
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Sep. 30, 2021
Income Tax Disclosure [Abstract] |
Components of Income Taxes and Comprehensive Provision for Income Taxes Allocation |
| Three months ended |  |  | Nine months ended |
| September 30, |  |  | September 30, |
| 2020 |  |  | 2021 |  |  | 2020 |  |  | 2021 |
| (In millions) |
Expected tax expense, at U.S. federal statutory income tax rate of 21% | $ | 2.1 |  |  | $ | 10.1 |  |  | $ | 14.5 |  |  | $ | 22.8 |
Non-U.S. tax rates |  | .1 |  |  |  | 1.3 |  |  |  | .7 |  |  |  | 3.0 |
Incremental net tax expense (benefit) on earnings and losses of U.S. and non-U.S. companies |  | .1 |  |  |  | (1.2 | ) |  |  | (4.5 | ) |  |  | (2.7 | )
Global intangible low-tax income, net |  | (.9 | ) |  |  | .6 |  |  |  | 3.3 |  |  |  | 1.6 |
Valuation allowance, net |  | .5 |  |  |  | .6 |  |  |  | .5 |  |  |  | 1.7 |
Adjustment to the reserve for uncertain tax positions, net |  | (.5 | ) |  |  | .1 |  |  |  | - |  |  |  | (.3 | )
Nondeductible expenses |  | - |  |  |  | .2 |  |  |  | 1.0 |  |  |  | .6 |
Other, net |  | .4 |  |  |  | .4 |  |  |  | (.2 | ) |  |  | .6 |
Income tax expense | $ | 1.8 |  |  | $ | 12.1 |  |  | $ | 15.3 |  |  | $ | 27.3 |
Comprehensive provision for income taxes allocable to: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | $ | 1.8 |  |  | $ | 12.1 |  |  | $ | 15.3 |  |  | $ | 27.3 |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pension plans |  | 1.4 |  |  |  | 1.6 |  |  |  | 4.2 |  |  |  | 4.8 |
OPEB plans |  | - |  |  |  | (.1 | ) |  |  | (.1 | ) |  |  | (.1 | )
Total | $ | 3.2 |  |  | $ | 13.6 |  |  | $ | 19.4 |  |  | $ | 32.0 |

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