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Accumulated Other Comprehensive Loss | 9 Months Ended
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Sep. 30, 2017
Equity [Abstract] |
Accumulated Other Comprehensive Loss | Note 15—Accumulated other comprehensive loss: Changes in accumulated other comprehensive loss attributable to Valhi stockholders for the three and nine months ended September 30, 2016 and 2017 are presented in the table below.
| Three months ended September 30, |  |  | Nine months ended September 30, |
| 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |
| (In millions) |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss), net of tax and noncontrolling interest: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | 1.7 |  |  | $ | 1.7 |  |  | $ | 1.6 |  |  | $ | 1.7 |
Other comprehensive income– unrealized gains arising during the period |  | — |  |  |  | — |  |  |  | .1 |  |  |  | — |
Balance at end of period | $ | 1.7 |  |  | $ | 1.7 |  |  | $ | 1.7 |  |  | $ | 1.7 |
Interest rate swap: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (3.5 | ) |  | $ | (1.1 | ) |  | $ | (1.3 | ) |  | $ | (1.2 | )
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) arising during the year |  | .1 |  |  |  | (.7 | ) |  |  | (2.7 | ) |  |  | (1.2 | )
Less reclassification adjustment for amounts included in interest expense |  | .4 |  |  |  | 1.8 |  |  |  | 1.0 |  |  |  | 2.4 |
Balance at end of period | $ | (3.0 | ) |  | $ | — |  |  | $ | (3.0 | ) |  | $ | — |
Currency translation adjustment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (72.4 | ) |  | $ | (73.8 | ) |  | $ | (78.1 | ) |  | $ | (88.5 | )
Other comprehensive income |  | 5.4 |  |  |  | 19.3 |  |  |  | 11.1 |  |  |  | 34.0 |
Balance at end of period | $ | (67.0 | ) |  | $ | (54.5 | ) |  | $ | (67.0 | ) |  | $ | (54.5 | )
Defined benefit pension plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (119.3 | ) |  | $ | (134.4 | ) |  | $ | (123.0 | ) |  | $ | (137.0 | )
Other comprehensive income— amortization of prior service cost and net losses included in net periodic pension cost |  | 1.9 |  |  |  | 1.8 |  |  |  | 5.6 |  |  |  | 4.4 |
Balance at end of period | $ | (117.4 | ) |  | $ | (132.6 | ) |  | $ | (117.4 | ) |  | $ | (132.6 | )
OPEB plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | 3.3 |  |  | $ | 2.7 |  |  | $ | 3.8 |  |  | $ | 3.1 |
Other comprehensive loss – amortization of prior service credit |  | (.3 | ) |  |  | (.2 | ) |  |  | (.8 | ) |  |  | (.6 | )
Balance at end of period | $ | 3.0 |  |  | $ | 2.5 |  |  | $ | 3.0 |  |  | $ | 2.5 |
Total accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (190.2 | ) |  | $ | (204.9 | ) |  | $ | (197.0 | ) |  | $ | (221.9 | )
Other comprehensive income |  | 7.5 |  |  |  | 22.0 |  |  |  | 14.3 |  |  |  | 39.0 |
Balance at end of period | $ | (182.7 | ) |  | $ | (182.9 | ) |  | $ | (182.7 | ) |  | $ | (182.9 | )
See Note 11 for amounts related to our defined benefit pension plans and OPEB plans and Note 17 for a discussion of our interest rate swap contract.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- References No definition available. + Details
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