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Noncontrolling Interest in Subsidiaries (Tables) | 3 Months Ended
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Mar. 31, 2015
Noncontrolling Interest [Abstract] |
Noncontrolling Interest in Net Assets of Subsidiaries |
| December 31, 2014 |  |  | March 31, 2015 |
| (In millions) |
Noncontrolling interest in net assets: |  |  |  |  |  |  |
Kronos | $ | 211.0 |  |  | $ | 198.3 |
NL |  | 54.4 |  |  |  | 53.7 |
CompX |  | 14.4 |  |  |  | 14.7 |
BMI |  | 31.7 |  |  |  | 31.8 |
LandWell |  | 24.8 |  |  |  | 24.5 |
Total | $ | 336.3 |  |  | $ | 323.0 |
Schedule of Noncontrolling Interest in Net Income (Loss) of Subsidiaries |
| Three months ended March 31, |
| 2014 |  |  | 2015 |
| (In millions) |
Noncontrolling interest in net income (loss) of subsidiaries: |  |  |  |  |  |  |
Kronos | $ | 2.7 |  |  | $ | 3.6 |
NL |  | .6 |  |  |  | 1.7 |
CompX |  | .3 |  |  |  | .3 |
BMI |  | .1 |  |  |  | — |
LandWell |  | .1 |  |  |  | (.2 | )
Total | $ | 3.8 |  |  | $ | 5.4 |

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