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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets by Major Class | Other intangible assets at March 31, 2013 and December 31, 2012, consisted of the following (in thousands):
| March 31, 2013
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Patents | $ | 8,234 |  |  | $ | (2,145 | ) |  | $ | 6,089 |
Distribution agreement | 5,176 |  |  | (1,421 | ) |  | 3,755 |
License agreements | 2,733 |  |  | (959 | ) |  | 1,774 |
Trademark | 7,299 |  |  | (1,479 | ) |  | 5,820 |
Covenant not to compete | 1,035 |  |  | (219 | ) |  | 816 |
Customer lists | 20,451 |  |  | (8,758 | ) |  | 11,693 |
Royalty agreements | 267 |  |  | (267 | ) |  | — |
Total | $ | 45,195 |  |  | $ | (15,248 | ) |  | $ | 29,947 |
| December 31, 2012
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Patents | $ | 7,843 |  |  | $ | (2,045 | ) |  | $ | 5,798 |
Distribution agreement | 5,176 |  |  | (1,301 | ) |  | 3,875 |
License agreements | 2,733 |  |  | (861 | ) |  | 1,872 |
Trademark | 7,311 |  |  | (1,362 | ) |  | 5,949 |
Covenant not to compete | 1,035 |  |  | (160 | ) |  | 875 |
Customer lists | 20,468 |  |  | (8,038 | ) |  | 12,430 |
Royalty agreements | 267 |  |  | (267 | ) |  | — |
Total | $ | 44,833 |  |  | $ | (14,034 | ) |  | $ | 30,799 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | Estimated amortization expense for intangible assets for the next five years consisted of the following as of March 31, 2013 (in thousands):
Year Ending December 31 |
Remaining 2013 | $ | 10,428 |
2014 | 13,267 |
2015 | 12,722 |
2016 | 12,101 |
2017 | 11,738 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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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=7658586&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=7658586&loc=d3e16265-109275 + Details
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