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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2012
Segment Information [Abstract] |
Segment information Report of Statements of Operations |
|  | Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands) |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |
Water transmission |  | $ | 269,203 |  |  | $ | 271,885 |  |  | $ | 221,251 |
Tubular products |  |  | 255,300 |  |  |  | 239,783 |  |  |  | 165,499 |
Total |  | $ | 524,503 |  |  | $ | 511,668 |  |  | $ | 386,750 |
Gross profit: |  |  |  |  |  |  |  |  |  |  |  |
Water transmission |  | $ | 45,051 |  |  | $ | 43,182 |  |  | $ | 19,430 |
Tubular products |  |  | 11,147 |  |  |  | 15,956 |  |  |  | 10,258 |
Total |  | $ | 56,198 |  |  | $ | 59,138 |  |  | $ | 29,688 |
Operating income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Water transmission |  | $ | 36,278 |  |  | $ | 34,113 |  |  | $ | 10,825 |
Tubular products |  |  | 8,335 |  |  |  | 12,660 |  |  |  | 6,963 |
|  |  | 44,613 |  |  |  | 46,773 |  |  |  | 17,788 |
Corporate |  |  | (17,053 | ) |  |  | (13,950 | ) |  |  | (17,193 | )
Total |  | $ | 27,560 |  |  | $ | 32,823 |  |  | $ | 595 |
Depreciation and amortization expense: |  |  |  |  |  |  |  |  |  |  |  |
Water transmission |  | $ | 10,474 |  |  | $ | 8,729 |  |  | $ | 8,282 |
Tubular products |  |  | 5,541 |  |  |  | 5,723 |  |  |  | 5,005 |
|  |  | 16,015 |  |  |  | 14,452 |  |  |  | 13,287 |
Corporate |  |  | 252 |  |  |  | 69 |  |  |  | 579 |
Total |  | $ | 16,267 |  |  | $ | 14,521 |  |  | $ | 13,865 |
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Water transmission |  | $ | 6,830 |  |  | $ | 4,765 |  |  | $ | 9,307 |
Tubular products |  |  | 9,813 |  |  |  | 11,386 |  |  |  | 9,135 |
|  |  | 16,643 |  |  |  | 16,151 |  |  |  | 18,442 |
Corporate |  |  | 146 |  |  |  | 182 |  |  |  | 155 |
Total |  | $ | 16,789 |  |  | $ | 16,333 |  |  | $ | 18,597 |
Net sales by geographic region: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 473,403 |  |  | $ | 455,625 |  |  | $ | 347,028 |
Other |  |  | 51,100 |  |  |  | 56,043 |  |  |  | 39,722 |
Total |  | $ | 524,503 |  |  | $ | 511,668 |  |  | $ | 386,750 |
Segment information Report of Balance Sheets |
|  | December 31, |
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
Goodwill: |  |  |  |  |  |  |  |
Water transmission . |  | $ | — |  |  | $ | — |
Tubular products . |  |  | 20,478 |  |  |  | 20,478 |
Total . |  | $ | 20,478 |  |  | $ | 20,478 |
Total assets: |  |  |  |  |  |  |  |
Water transmission . |  | $ | 221,987 |  |  | $ | 203,073 |
Tubular products . |  |  | 174,591 |  |  |  | 181,058 |
|  |  | 396,578 |  |  |  | 384,131 |
Corporate . |  |  | 25,844 |  |  |  | 29,242 |
Total . |  | $ | 422,422 |  |  | $ | 413,373 |

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