Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying value of goodwill by reportable segment

The following is a summary of the changes in the carrying value of goodwill, by reportable segment, for the three months ended December 31, 2017:

(in thousands)	Pharmaceutical Distribution Services		Other		Total
Goodwill at September 30, 2017	$	4,270,550	$	1,773,731	$	6,044,281
Goodwill recognized in connection with acquisitions	—		31,730		31,730
Foreign currency translation	—		99		99
Goodwill at December 31, 2017	$	4,270,550	$	1,805,560	$	6,076,110

Schedule of indefinite-lived intangible assets

The following is a summary of other intangible assets:

	December 31, 2017							September 30, 2017
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Indefinite-lived trade names	$	685,072	$	—		$	685,072	$	685,088	$	—		$	685,088
Finite-lived:
Customer relationships	2,360,751		(442,360		)	1,918,391		2,329,665		(408,636		)	1,921,029
Trade names and other	326,493		(104,921		)	221,572		325,353		(98,189		)	227,164
Total other intangible assets	$	3,372,316	$	(547,281	)	$	2,825,035	$	3,340,106	$	(506,825	)	$	2,833,281

Schedule of finite-lived intangible assets

The following is a summary of other intangible assets:

	December 31, 2017							September 30, 2017
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Indefinite-lived trade names	$	685,072	$	—		$	685,072	$	685,088	$	—		$	685,088
Finite-lived:
Customer relationships	2,360,751		(442,360		)	1,918,391		2,329,665		(408,636		)	1,921,029
Trade names and other	326,493		(104,921		)	221,572		325,353		(98,189		)	227,164
Total other intangible assets	$	3,372,316	$	(547,281	)	$	2,825,035	$	3,340,106	$	(506,825	)	$	2,833,281