XML 49 R39.htm IDEA: XBRL DOCUMENT
v3.20.1

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Stockholders Equity Note [Abstract] |
Schedule of Changes in Accumulated Other Comprehensive Loss | Accumulated other comprehensive loss - Changes in accumulated other comprehensive loss attributable to NL stockholders, including amounts resulting from our investment in Kronos Worldwide (see Note 6), are presented in the table below.
| Years ended December 31, |
| 2017 |  |  | 2018 |  |  | 2019 |
| (In thousands) |
Accumulated other comprehensive loss, net of tax: |  |  |  |  |  |  |  |  |  |  |
Currency translation: |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year | $ | (175,859 | ) |  | $ | (164,467 | ) |  | $ | (172,434 | )
Other comprehensive income (loss) |  | 11,392 |  |  |  | (7,967 | ) |  |  | (409 | )
Balance at end of year | $ | (164,467 | ) |  | $ | (172,434 | ) |  | $ | (172,843 | )
Defined benefit pension plans: |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year | $ | (76,710 | ) |  | $ | (72,951 | ) |  | $ | (75,286 | )
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service cost and net losses included in net periodic pension cost |  | 2,956 |  |  |  | (2,335 | ) |  |  | 3,539 |
Net actuarial gain (loss) arising during the year |  | 803 |  |  |  | - |  |  |  | (6,510 | )
Balance at end of year | $ | (72,951 | ) |  | $ | (75,286 | ) |  | $ | (78,257 | )
Marketable securities: |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year | $ | 20,473 |  |  | $ | 46,069 |  |  | $ | - |
Change in accounting principle |  | - |  |  |  | (46,069 | ) |  |  | - |
Balance at beginning of year, as adjusted |  | 20,473 |  |  |  | - |  |  |  | - |
Other comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Unrealized gain arising during the year |  | 25,596 |  |  |  | - |  |  |  | - |
Balance at end of year | $ | 46,069 |  |  | $ | - |  |  | $ | - |
Interest rate swap: |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year | $ | (390 | ) |  | $ | - |  |  | $ | - |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Unrealized losses arising during the year |  | (296 | ) |  |  | - |  |  |  | - |
Reclassification adjustments for amounts included in equity in earnings of Kronos |  | 686 |  |  |  | - |  |  |  | - |
Balance at end of year | $ | - |  |  | $ | - |  |  | $ | - |
Other: |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year | $ | (360 | ) |  | $ | (388 | ) |  | $ | (550 | )
Other comprehensive loss |  | (28 | ) |  |  | (162 | ) |  |  | (40 | )
Balance at end of year | $ | (388 | ) |  | $ | (550 | ) |  | $ | (590 | )
Total accumulated other comprehensive loss, net of tax: |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year | $ | (232,846 | ) |  | $ | (191,737 | ) |  | $ | (248,270 | )
Change in accounting principle |  | - |  |  |  | (46,069 | ) |  |  | - |
Balance at beginning of year, as adjusted |  | (232,846 | ) |  |  | (237,806 | ) |  |  | (248,270 | )
Other comprehensive income (loss) |  | 41,109 |  |  |  | (10,464 | ) |  |  | (3,420 | )
Balance at end of year | $ | (191,737 | ) |  | $ | (248,270 | ) |  | $ | (251,690 | )

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration