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Acquisitions (Narrative) (Details) (USD $) | 3 Months Ended | 6 Months Ended | 0 Months Ended | 6 Months Ended |  |  | 0 Months Ended | 3 Months Ended |  | 0 Months Ended | 3 Months Ended | 0 Months Ended
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Jun. 30, 2012 | Jun. 30, 2012 | Jun. 30, 2011 | Jan. 30, 2012 Ostial [Member] Y | Jun. 30, 2012 Ostial [Member] | May 31, 2012 Scion [Member] | Jan. 05, 2012 Scion [Member] | Sep. 02, 2011 Ash [Member] Y | Jun. 30, 2012 Distribution Rights [Member] Scion [Member] Y | Jan. 05, 2012 Distribution Rights [Member] Scion [Member] | Jan. 30, 2012 Customer Lists [Member] Ostial [Member] Y | Jun. 30, 2012 Customer Lists [Member] Scion [Member] Y | Sep. 02, 2011 Customer Lists [Member] Ash [Member] Y | Jan. 30, 2012 Noncompete Agreements [Member] Ostial [Member] Y | Jan. 30, 2012 Developed Technology Rights [Member] Ostial [Member] Y | Sep. 02, 2011 Developed Technology Rights [Member] Ash [Member] Y | Jan. 30, 2012 Trademarks [Member] Ostial [Member] Y
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Cost of Acquired Entity, Purchase Price |  |  |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |
Business Acquisition, Cost of Acquired Entity, Cash Paid |  |  |  | 10,000,000 |  |  | 1,500,000 | 5,000,000 |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, Potential Cash Payment |  |  |  | 6,500,000 |  | 1,000,000 |  | 1,000,000 |  |  |  |  |  |  |  |  |
Maximum Additional Amount Possibly Due Based On Future Related Product Sales |  |  |  |  | 13,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Liabilities Assumed |  |  |  | 5,000,000 |  |  |  | 1,300,000 |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Assets Acquired |  |  |  | 21,500,000 |  |  |  | 6,270,000 |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Useful Life |  |  |  |  |  |  |  |  | 12 |  | 8 | 5 | 2 | 5 | 15 | 15 | 15
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life |  |  |  | 14.7 |  |  |  | 9 |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Asset, Amount |  |  |  |  |  |  |  |  |  | 2,500,000 | 700,000 | 95,000 | 300,000 | 20,000 | 16,200,000 | 3,200,000 |
Number of Patents | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and Development Asset Acquired Other than Through Business Combination, Written-off |  | 2,175,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability |  | $ (460,000) | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -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. 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)(1) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275 + Details
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- Definition The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph a(3) -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. 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)(3) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275 + Details
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- Definition Amount of potential cash payments that could result from the contingent consideration arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph f -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 of cash paid to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph f(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 The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -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 The amount of acquisition cost of a business combination allocated to assets acquired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 37 -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 The amount of acquisition cost of a business combination allocated to liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 37 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 98-1 -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 This element represents the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent consideration, assumed in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6911361&loc=d3e7008-128479 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 72 -Subparagraph b -Clause 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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