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Intangible Assets - Amortized Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 45,790 | $ 54,202
Accumulated Amortization | 31,020 | 35,292
Net Carrying Value | 14,770 | 18,910
Distribution Rights [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Value | 38,060 | 38,060
Accumulated Amortization | 25,193 | 21,908
Net Carrying Value | 12,867 | 16,152
Customer Contracts And Relationships [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Value | 6,690 | 14,722
Accumulated Amortization | 5,310 | 12,648
Net Carrying Value | 1,380 | 2,074
Developed Technology Rights [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Value | 670 | 670
Accumulated Amortization | 311 | 215
Net Carrying Value | 359 | 455
Other Intangible Assets [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Value | 370 | 750
Accumulated Amortization | 206 | 521
Net Carrying Value | $ 164 | $ 229

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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=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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