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Segment Information (Tables) | 9 Months Ended
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Sep. 30, 2018
Segment Reporting [Abstract] |
Summary of Revenue by Major Customers | The following table summarizes revenues from each of our customers who individually accounted for 10% or more of our total revenues (as a percentage of total revenues):
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
AmerisourceBergen Corp. |  | 20 | % |  | 21 | % |  | 20 | % |  | 20 | %
Cardinal Health, Inc. |  | 20 | % |  | 19 | % |  | 20 | % |  | 18 | %
McKesson Corp. |  | 22 | % |  | 25 | % |  | 21 | % |  | 23 | %

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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
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- References No definition available. + Details
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