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Segment Information (Schedule Of Revenues From Each Customer Who Individually Accounted For 10% Or More Of Total Revenues) (Details)
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3 Months Ended | |
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Mar. 31, 2012
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Mar. 31, 2011
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Cardinal Health, Inc. [Member]
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| Segment Reporting Information [Line Items] | ||
| Percentage of Total Revenues from Customers | 20.00% | 17.00% |
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McKesson Corp. [Member]
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| Segment Reporting Information [Line Items] | ||
| Percentage of Total Revenues from Customers | 16.00% | 15.00% |
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AmerisourceBergen Corp. [Member]
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| Segment Reporting Information [Line Items] | ||
| Percentage of Total Revenues from Customers | 11.00% | 13.00% |