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Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Changes in the carrying amount of goodwill for the three months ended March 31, 2013 are summarized as follows:
| Packaging |  | Energy |  | Aerospace & Defense |  | Engineered Components |  | Cequent Asia Pacific |  | Cequent Americas |  | Total
| (dollars in thousands)
Balance, December 31, 2012 | $ | 158,980 |  |  | $ | 64,210 |  |  | $ | 41,130 |  |  | $ | 3,180 |  |  | $ | — |  |  | $ | 3,440 |  |  | $ | 270,940 |
Goodwill from acquisitions | — |  |  | 6,720 |  |  | 8,420 |  |  | — |  |  | — |  |  | — |  |  | 15,140 |
Foreign currency translation | (1,790 | ) |  | 50 |  |  | — |  |  | — |  |  | — |  |  | 40 |  |  | (1,700 | )
Balance, March 31, 2013 | $ | 157,190 |  |  | $ | 70,980 |  |  | $ | 49,550 |  |  | $ | 3,180 |  |  | $ | — |  |  | $ | 3,480 |  |  | $ | 284,380 |
Schedule of Intangible Assets (excluding Goodwill) by Major Class | The gross carrying amounts and accumulated amortization of the Company's other intangibles as of March 31, 2013 and December 31, 2012 are summarized below. The Company amortizes these assets over periods ranging from 1 to 30 years.
|  | As of March 31, 2013 |  | As of December 31, 2012
Intangible Category by Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Gross Carrying Amount |  | Accumulated Amortization
|  | (dollars in thousands)
Finite-lived intangible assets: |  |  |  |  |  |  |  |
Customer relationships, 5 – 12 years |  | $ | 93,500 |  |  | $ | (31,910 | ) |  | $ | 85,740 |  |  | $ | (30,080 | )
Customer relationships, 15 – 25 years |  | 154,610 |  |  | (88,020 | ) |  | 154,610 |  |  | (85,960 | )
Total customer relationships |  | 248,110 |  |  | (119,930 | ) |  | 240,350 |  |  | (116,040 | )
Technology and other, 1 – 15 years |  | 37,860 |  |  | (26,950 | ) |  | 37,130 |  |  | (26,320 | )
Technology and other, 17 – 30 years |  | 43,840 |  |  | (23,630 | ) |  | 43,800 |  |  | (23,070 | )
Total technology and other |  | 81,700 |  |  | (50,580 | ) |  | 80,930 |  |  | (49,390 | )
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |
Trademark/Trade names |  | 51,670 |  |  | — |  |  | 50,310 |  |  | — |
Total other intangible assets |  | $ | 381,480 |  |  | $ | (170,510 | ) |  | $ | 371,590 |  |  | $ | (165,430 | )
Schedule of Finite-Lived Intangible Assets, Amortization Expense | Amortization expense related to intangible assets as included in the accompanying consolidated statement of income is summarized as follows:
|  | Three months ended March 31,
|  | 2013 |  | 2012
|  | (dollars in thousands)
Technology and other, included in cost of sales |  | $ | 1,210 |  |  | $ | 1,070 |
Customer relationships, included in selling, general and administrative expenses |  | 3,870 |  |  | 3,130 |
Total amortization expense |  | $ | 5,080 |  |  | $ | 4,200 |

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- Definition Tabular disclosure of intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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