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Other Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of other intangible assets | Other intangible assets are as follows (in thousands):
| March 31, 2018 |  | December 31, 2017
| Cost |  | Accumulated Amortization |  | Cost |  | Accumulated Amortization
Finite-lived intangible assets: |  |  |  |  |  |  |
Patents and technology | $ | 17,457 |  |  | $ | 5,850 |  |  | $ | 17,310 |  |  | $ | 5,586 |
Customer lists | 30,877 |  |  | 8,509 |  |  | 30,877 |  |  | 8,127 |
Trademarks and brand names | 1,545 |  |  | 1,129 |  |  | 1,549 |  |  | 1,117 |
Total finite-lived intangible assets acquired | 49,879 |  |  | 15,488 |  |  | 49,736 |  |  | 14,830 |
Deferred financing costs | 1,791 |  |  | 193 |  |  | 1,791 |  |  | 96 |
Total amortizable intangible assets | 51,670 |  |  | $ | 15,681 |  |  | 51,527 |  |  | $ | 14,926 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |
Trademarks and brand names | 11,630 |  |  |  |  | 11,630 |  |  |
Total other intangible assets | $ | 63,300 |  |  |  |  | $ | 63,157 |  |  |
Carrying value: |  |  |  |  |  |  |
Other intangible assets, net | $ | 47,619 |  |  |  |  | $ | 48,231 |  |  |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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