|
Segment Information (Income by Reportable Segments) (Details) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
|
Mar. 31, 2015
|
Mar. 31, 2014
|
| Segment Reporting Information [Line Items] |
|
|
| Net sales |
$ 165,051 |
$ 146,640 |
| Operating income (loss) |
20,100 |
21,457 |
| Equity income in unconsolidated joint ventures |
919 |
977 |
| Other income (expense), net |
(129) |
(1,191) |
| Interest income (expense), net |
(1,006) |
(748) |
| Income (loss) before income tax expense (benefit) |
19,884 |
20,495 |
| Reportable Segment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Net sales |
165,051 |
146,640 |
| Operating income (loss) |
20,100 |
21,457 |
| Equity income in unconsolidated joint ventures |
919 |
977 |
| Other income (expense), net |
(129) |
(1,191) |
| Interest income (expense), net |
(1,006) |
(748) |
| Income (loss) before income tax expense (benefit) |
19,884 |
20,495 |
| Reportable Segment [Member] | Printed Circuit Materials [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Net sales |
71,287 |
58,536 |
| Operating income (loss) |
12,838 |
11,960 |
| Reportable Segment [Member] | High Performance Foams [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Net sales |
44,556 |
41,204 |
| Operating income (loss) |
3,015 |
5,729 |
| Reportable Segment [Member] | Power Electronics Solutions [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Net sales |
38,529 |
40,798 |
| Operating income (loss) |
2,368 |
1,565 |
| Reportable Segment [Member] | Other [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Net sales |
10,679 |
6,102 |
| Operating income (loss) |
$ 1,879 |
$ 2,203 |