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Goodwill and Intangible Assets - Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
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Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | $ 48,205 | $ 47,805
Accumulated Amortization | (19,938) | (18,870)
Net Carrying Amount | 28,267 | 28,935
Patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 9,702 | 9,302
Accumulated Amortization | (2,430) | (2,374)
Net Carrying Amount | 7,272 | 6,928
Distribution agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 5,176 | 5,176
Accumulated Amortization | (1,900) | (1,780)
Net Carrying Amount | 3,276 | 3,396
License agreements and trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 3,783 | 3,783
Accumulated Amortization | (1,360) | (1,249)
Net Carrying Amount | 2,423 | 2,534
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 7,622 | 7,622
Accumulated Amortization | (1,968) | (1,844)
Net Carrying Amount | 5,654 | 5,778
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 1,029 | 1,029
Accumulated Amortization | (458) | (399)
Net Carrying Amount | 571 | 630
Customer lists |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 20,626 | 20,626
Accumulated Amortization | (11,555) | (10,957)
Net Carrying Amount | 9,071 | 9,669
Royalty agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 267 | 267
Accumulated Amortization | (267) | (267)
Net Carrying Amount | $ 0 | $ 0

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + 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)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + 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)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + 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)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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