Goodwill and Intangible Assets (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2015 USD ($)
Changes in goodwill
Balance at the beginning of the period	$ 1,163,282
Write off due to sale of powder facility	(5,541)
Foreign currency translation	(25,234)
Balance at the end of the period	1,132,507
Holland & Barrett International
Changes in goodwill
Balance at the beginning of the period	321,257
Foreign currency translation	(16,445)
Balance at the end of the period	304,812
Puritan's Pride
Changes in goodwill
Balance at the beginning of the period	203,395
Write off due to sale of powder facility	(649)
Balance at the end of the period	202,746
Consumer Products Group
Changes in goodwill
Balance at the beginning of the period	638,630
Write off due to sale of powder facility	(4,892)
Foreign currency translation	(8,789)
Balance at the end of the period	$ 624,949