Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Goodwill
Impairment losses in connection with the goodwill	$ 0	$ 0	$ 0
Impairment losses in connection with the intangible assets	0	0	0
Amortization expense	13,300	14,300	14,500
Change in the carrying amounts of goodwill
Balance at the beginning of the period	524,369	536,341
Acquisitions	12,797	2,814
Foreign currency translation	(4,452)	(14,786)
Balance at the end of the period	532,714	524,369	536,341
Sally Beauty Supply
Change in the carrying amounts of goodwill
Balance at the beginning of the period	83,216	91,332
Foreign currency translation	(3,674)	(8,116)
Balance at the end of the period	79,542	83,216	91,332
Beauty Systems Group
Goodwill
Intangible assets subject to amortization recorded in connection with acquisitions	10,100
Change in the carrying amounts of goodwill
Balance at the beginning of the period	441,153	445,009
Acquisitions	12,797	2,814
Foreign currency translation	(778)	(6,670)
Balance at the end of the period	$ 453,172	$ 441,153	$ 445,009