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Intangible Assets - Amortized Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 47,280 | $ 46,550
Accumulated Amortization | 40,965 | 36,880
Net Carrying Value | 6,315 | 9,670
Distribution networks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 38,060 | 38,060
Accumulated Amortization | 35,051 | 31,765
Net Carrying Value | 3,009 | 6,295
Customer contracts and relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 4,880 | 4,740
Accumulated Amortization | 4,749 | 4,740
Net Carrying Value | 131 | 0
Completed technologies |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 4,340 | 3,750
Accumulated Amortization | 1,165 | 375
Net Carrying Value | $ 3,175 | $ 3,375

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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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