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Other Income, Net - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Disclosure Other Income Net Additional Information Detail [Line Items] |  |  |  |
Net proceeds | $ 8.4 |  | $ 8.4 | $ 1.2
Pre-tax gain on sale of land | $ 5.6 |  | 5.6 | 0.5
Infrastructure reimbursement |  |  | 6.2 | 19.1
Kronos Worldwide, Inc. |  |  |  |
Disclosure Other Income Net Additional Information Detail [Line Items] |  |  |  |
Gain on insurance settlement related to property damage claim |  | $ 1.5 |  |
City Of Henderson |  |  |  |
Disclosure Other Income Net Additional Information Detail [Line Items] |  |  |  |
Infrastructure reimbursement |  |  | $ 6.2 | $ 19.1

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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 + Details
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- Definition The cash inflow from the sale of land held for investment; excludes sales of land held as inventory or productive use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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- Definition Disclosure Other Income Net Additional Information Detail [Line Items] + References No definition available. + Details
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- Definition Gain (loss) on insurance settlement. + References No definition available. + Details
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- Definition Infrastructure development cost reimbursed. + References No definition available. + Details
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- Details
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- Details
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