XML 61 R46.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Segment Information (Tables)
12 Months Ended
Dec. 31, 2019
Segment Reporting [Abstract]  
Schedule 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):
 
 
Year Ended December 31,
 
 
2019
 
2018
 
2017
AmerisourceBergen Corp.
 
21
%
 
20
%
 
20
%
Cardinal Health, Inc.
 
21
%
 
21
%
 
19
%
McKesson Corp.
 
22
%
 
21
%
 
23
%