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Business Segment Information (Tables) | 6 Months Ended
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Jun. 30, 2012
Business segment information[Abstract] |
Holding Percentage of Subsidiaries |
Business segment |  | Entity |  | % controlled at June 30, 2012 |
Chemicals |  | Kronos |  |  | 80 | %
Component products |  | CompX |  |  | 87 | %
Waste management |  | WCS |  |  | 100 | %
Segment Operating Performance |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |
|  | (In millions) |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Chemicals |  | $ | 537.6 |  |  | $ | 545.3 |  |  | $ | 958.0 |  |  | $ | 1,106.6 |
Component products |  |  | 35.2 |  |  |  | 37.6 |  |  |  | 70.0 |  |  |  | 73.1 |
Waste management |  |  | .3 |  |  |  | .9 |  |  |  | .8 |  |  |  | 2.0 |
Total net sales |  | $ | 573.1 |  |  | $ | 583.8 |  |  | $ | 1,028.8 |  |  | $ | 1,181.7 |
Cost of sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Chemicals |  | $ | 341.2 |  |  | $ | 382.6 |  |  | $ | 615.8 |  |  | $ | 683.0 |
Component products |  |  | 25.4 |  |  |  | 27.6 |  |  |  | 51.5 |  |  |  | 53.6 |
Waste management |  |  | 5.8 |  |  |  | 8.1 |  |  |  | 11.9 |  |  |  | 15.7 |
Total cost of sales |  | $ | 372.4 |  |  | $ | 418.3 |  |  | $ | 679.2 |  |  | $ | 752.3 |
Gross margin: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Chemicals |  | $ | 196.4 |  |  | $ | 162.7 |  |  | $ | 342.2 |  |  | $ | 423.6 |
Component products |  |  | 9.8 |  |  |  | 10.0 |  |  |  | 18.5 |  |  |  | 19.5 |
Waste management |  |  | (5.5 | ) |  |  | (7.2 | ) |  |  | (11.1 | ) |  |  | (13.7 | )
Total gross margin |  | $ | 200.7 |  |  | $ | 165.5 |  |  | $ | 349.6 |  |  | $ | 429.4 |
Operating income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Chemicals |  | $ | 145.9 |  |  | $ | 112.4 |  |  | $ | 249.4 |  |  | $ | 323.7 |
Component products |  |  | 3.1 |  |  |  | 3.9 |  |  |  | 11.9 |  |  |  | 6.8 |
Waste management |  |  | (9.2 | ) |  |  | (11.3 | ) |  |  | (18.2 | ) |  |  | (20.9 | )
Total operating income |  |  | 139.8 |  |  |  | 105.0 |  |  |  | 243.1 |  |  |  | 309.6 |
Equity in earnings of investee |  |  | (.1 | ) |  |  | (.1 | ) |  |  | (.2 | ) |  |  | — |
General corporate items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities earnings |  |  | 7.4 |  |  |  | 7.1 |  |  |  | 14.8 |  |  |  | 14.2 |
Insurance recoveries |  |  | .1 |  |  |  | .3 |  |  |  | .5 |  |  |  | 1.4 |
Litigation settlement gain |  |  | — |  |  |  | 14.7 |  |  |  | — |  |  |  | 14.7 |
General expenses, net |  |  | (16.8 | ) |  |  | (9.2 | ) |  |  | (23.4 | ) |  |  | (29.5 | )
Loss on prepayment of debt |  |  | — |  |  |  | (7.2 | ) |  |  | (3.3 | ) |  |  | (7.2 | )
Interest expense |  |  | (15.9 | ) |  |  | (14.4 | ) |  |  | (33.1 | ) |  |  | (27.9 | )
Income before income taxes |  | $ | 114.5 |  |  | $ | 96.2 |  |  | $ | 198.4 |  |  | $ | 275.3 |

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