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Component: (Network and Table)
Network
2406405 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Details)
(http://www.amerisourcebergen.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001140859 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2015-10-01 - 2016-09-30
2014-10-01 - 2015-09-30
2013-10-01 - 2014-09-30
Income Tax Disclosure [Abstract]
 
 
 
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
 
 
 
Beginning balance
44,722,000  
42,908,000  
46,267,000  
Additions of tax positions of the current year
24,145,000  
3,616,000  
6,127,000  
Additions of tax positions of the prior years
11,840,000  
 
1,249,000  
Reductions of tax positions of the prior years
(1,407,000) 
(871,000) 
(4,167,000) 
Settlements with taxing authorities
(2,589,000) 
(33,000) 
(4,788,000) 
Expiration of statutes of limitations
(945,000) 
(898,000) 
(1,780,000) 
Ending balance
75,766,000  
 
44,722,000  
 
42,908,000