CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Income Statement [Abstract] |
|
|
|
| Net sales |
$ 108,920
|
$ 108,994
|
$ 103,846
|
| Cost of sales |
73,753
|
75,593
|
71,598
|
| Gross margin |
35,167
|
33,401
|
32,248
|
| Selling, general and administrative expense |
19,593
|
19,430
|
18,641
|
| Other operating income (expense): |
|
|
|
| Insurance recoveries |
443
|
3,657
|
10,368
|
| Other income, net |
9
|
120
|
186
|
| Corporate expense |
(17,009)
|
(17,480)
|
(21,323)
|
| Income (loss) from operations |
(983)
|
268
|
2,838
|
| Equity in earnings (losses) of Kronos Worldwide, Inc. |
13,171
|
(52,770)
|
30,161
|
| Other income (expense): |
|
|
|
| Securities transactions, net |
|
3
|
16
|
| Interest and dividends |
1,732
|
1,172
|
1,618
|
| Interest expense |
(4)
|
|
|
| Income (loss) before taxes |
13,916
|
(51,327)
|
34,633
|
| Income tax expense (benefit) |
(2,777)
|
(28,611)
|
5,003
|
| Net income (loss) |
16,693
|
(22,716)
|
29,630
|
| Noncontrolling interest in net income of subsidiary |
1,368
|
1,193
|
1,131
|
| Net income (loss) attributable to NL stockholders |
$ 15,325
|
$ (23,909)
|
$ 28,499
|
| Amounts attributable to NL stockholders: |
|
|
|
| Basic and diluted net income (loss) per share |
$ 0.31
|
$ (0.49)
|
$ 0.59
|
| Weighted average shares used in the calculation of net income (loss) per share |
48,701
|
48,688
|
48,679
|