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Commitments and Contingencies - Other Litigation and Other Matters - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($) Customer | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Commitments And Contingent Liabilities [Line Items] |  |  |
Rent expense | $ 14.8 | $ 16.3 | $ 14.3
Chemicals | Minimum | Various Supply and Services Agreements |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Long term master agreements expiring | 2019 |  |
Chemicals | Maximum | Various Supply and Services Agreements |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Long term master agreements expiring | 2022 |  |
Chemicals | TiO2 Product |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Sale of TiO2, number of customers | Customer | 4,000 |  |
Chemicals | Customer Concentration Risk | Behr Process Corporation | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage |  |  | 10.00%
Component Products Segment | Customer Concentration Risk | Top Ten Customers | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 44.00% | 44.00% | 46.00%
Component Products | Customer Concentration Risk | United States Postal Service | Net Sales | Security​ Products​ Reporting​ Unit |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 13.00% | 16.00% | 14.00%
Component Products | Customer Concentration Risk | Harley Davidson Inc | Net Sales | Security​ Products​ Reporting​ Unit |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage |  |  | 11.00%
Real Estate Management And Development | Customer Concentration Risk | Net Sales | Minimum |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 10.00% | 10.00% | 10.00%
Real Estate Management And Development | Customer Concentration Risk | Toll Henderson LLC | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 17.00% |  |
Real Estate Management And Development | Customer Concentration Risk | Richmond Homes of Nevada | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 29.00% | 37.00% | 15.00%
Real Estate Management And Development | Customer Concentration Risk | Woodside Homes of Nevada LLC | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 20.00% |  |
Real Estate Management And Development | Customer Concentration Risk | Greystone Nevada LLC | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage |  | 22.00% | 34.00%
Real Estate Management And Development | Customer Concentration Risk | City Of Henderson | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage |  | 11.00% |
Real Estate Management And Development | Customer Concentration Risk | Henderson Interchange Centers LLC | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage |  |  | 12.00%
TiO2 | Chemicals | TiO2 Product | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 94.00% | 94.00% | 93.00%
TiO2 | Chemicals | Customer Concentration Risk | Top Ten Customers | Net Sales |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Concentration risk percentage | 33.00% | 34.00% | 33.00%
Feedstock Ore | Chemicals |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Minimum purchase commitments | $ 594.0 |  |
Other Supply And Service Contracts | Chemicals |  |  |
Commitments And Contingent Liabilities [Line Items] |  |  |
Minimum purchase commitments | $ 156.0 |  |

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