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Intangible Assets - Amortized Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 49,540 | $ 45,790
Accumulated Amortization | 34,817 | 31,020
Net Carrying Value | 14,723 | 14,770
Distribution Networks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 38,060 | 38,060
Accumulated Amortization | 28,479 | 25,193
Net Carrying Value | 9,581 | 12,867
Customer Contracts and Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 6,690 | 6,690
Accumulated Amortization | 5,661 | 5,310
Net Carrying Value | 1,029 | 1,380
Completed Technologies [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 4,420 | 670
Accumulated Amortization | 407 | 311
Net Carrying Value | 4,013 | 359
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 370 | 370
Accumulated Amortization | 270 | 206
Net Carrying Value | $ 100 | $ 164

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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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