Goodwill and Other Intangible Assets (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill [Roll Forward]
Goodwill	$ 2,948,502
Goodwill recognized in connection with acquisition	1,174,490
Goodwill disposed in connection with divestiture	(3,605)
Foreign currency translation	(2,582)
Goodwill	4,116,805
Pharmaceutical Distribution [Member]
Goodwill [Roll Forward]
Goodwill	2,400,926
Goodwill recognized in connection with acquisition	17,048
Goodwill disposed in connection with divestiture	(3,605)
Goodwill	2,414,369
All Other Segments [Member]
Goodwill [Roll Forward]
Goodwill	547,576
Goodwill recognized in connection with acquisition	1,157,442
Foreign currency translation	(2,582)
Goodwill	$ 1,702,436