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Fair Value Measurements and Financial Instruments (Tables) | 6 Months Ended
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Jun. 30, 2017
Fair Value Disclosures [Abstract] |
Marketable Securities and Financial Instruments on Fair Value Basis | The following table summarizes the valuation of our marketable securities, financial instruments and other items recorded on a fair value basis as of:
| Fair Value Measurements |
| Total |  |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
| (In millions) |
Asset (liability) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current | $ | 4.4 |  |  | $ | — |  |  | $ | 4.4 |  |  | $ | — |
Noncurrent |  | 253.5 |  |  |  | .6 |  |  |  | 2.9 |  |  |  | 250.0 |
Interest rate swap |  | (3.1 | ) |  |  | — |  |  |  | (3.1 | ) |  |  | — |
June 30, 2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current | $ | .8 |  |  | $ | — |  |  | $ | .8 |  |  | $ | — |
Noncurrent |  | 257.2 |  |  |  | 2.5 |  |  |  | 4.7 |  |  |  | 250.0 |
Interest rate swap |  | (2.8 | ) |  |  | — |  |  |  | (2.8 | ) |  |  | — |
Financial Instruments not Carried at Fair Value | The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure:
| December 31, 2016 |  |  | June 30, 2017 |
| Carrying amount |  |  | Fair value |  |  | Carrying amount |  |  | Fair value |
| (In millions) |
Cash, cash equivalents and restricted cash equivalents | $ | 191.0 |  |  | $ | 191.0 |  |  | $ | 267.0 |  |  | $ | 267.0 |
Deferred payment obligation |  | 9.0 |  |  |  | 9.0 |  |  |  | 9.2 |  |  |  | 9.2 |
Long-term debt (excluding capitalized leases): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Kronos term loan |  | 335.9 |  |  |  | 334.6 |  |  |  | 334.9 |  |  |  | 340.3 |
Snake River Sugar Company fixed rate loans |  | 250.0 |  |  |  | 250.0 |  |  |  | 250.0 |  |  |  | 250.0 |
WCS fixed rate debt |  | 64.0 |  |  |  | 64.0 |  |  |  | 63.1 |  |  |  | 63.1 |
Valhi credit facility with Contran |  | 278.9 |  |  |  | 278.9 |  |  |  | 282.7 |  |  |  | 282.7 |
Kronos North American credit facility |  | — |  |  |  | — |  |  |  | 16.3 |  |  |  | 16.3 |
Tremont promissory note payable |  | 14.5 |  |  |  | 14.5 |  |  |  | 14.5 |  |  |  | 14.5 |
BMI bank note payable |  | 8.4 |  |  |  | 8.5 |  |  |  | — |  |  |  | — |
BMI loan agreement |  | — |  |  |  | — |  |  |  | 18.7 |  |  |  | 19.7 |
LandWell note payable to the City of Henderson |  | 2.9 |  |  |  | 2.9 |  |  |  | 2.7 |  |  |  | 2.7 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL7498348-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75026489&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
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