CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Net income (loss) | $ 16,693 | $ (22,716) | $ 29,630 |
| Other comprehensive income (loss), net of tax: | |||
| Marketable securities | 20,278 | (46,917) | (107,057) |
| Currency translation | (3,475) | (18,211) | (20,357) |
| Interest rate swap | 55 | (445) | |
| Total other comprehensive income (loss), net | 12,512 | (63,319) | (147,023) |
| Comprehensive income (loss) | 29,205 | (86,035) | (117,393) |
| Comprehensive income attributable to noncontrolling interest | 1,368 | 1,193 | 1,131 |
| Comprehensive income (loss) attributable to NL stockholders | 27,837 | (87,228) | (118,524) |
| Defined Benefit Pension Plans | |||
| Other comprehensive income (loss), net of tax: | |||
| Defined benefit pension plans/ Other postretirement benefit plans | (3,998) | 2,548 | (18,616) |
| OPEB | |||
| Other comprehensive income (loss), net of tax: | |||
| Defined benefit pension plans/ Other postretirement benefit plans | $ (348) | $ (294) | $ (993) |