Parent, Issuers, Guarantor and Non-Guarantor Condensed Consolidated Financial Statements (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Condensed Consolidating Statement of Earnings
Net sales	$ 944,288	$ 949,275	$ 919,471	$ 940,464	$ 906,435	$ 912,101	$ 898,239	$ 905,441	$ 3,753,498	$ 3,622,216	$ 3,523,644
Cost of products sold and distribution expenses									1,893,326	1,826,953	1,780,385
Gross profit	467,540	475,711	456,396	460,526	449,358	457,083	444,454	444,368	1,860,172	1,795,263	1,743,259
Selling, general and administrative expenses									1,273,513	1,202,709	1,179,206
Depreciation and amortization									79,663	72,192	64,698
Operating earnings									506,996	520,362	499,355
Interest expense									116,317	107,695	138,412
Earnings before provision for income taxes									390,679	412,667	360,943
Provision (benefit) for income taxes									144,686	151,516	127,879
Net earnings	61,750	67,756	58,492	57,995	64,812	72,466	64,889	58,983	245,993	261,151	233,064
Other comprehensive income (loss), net of tax									(18,730)	835	12,018
Total comprehensive income									227,263	261,986	245,082
Reportable Legal Entities | Parent
Condensed Consolidating Statement of Earnings
Selling, general and administrative expenses									10,396	9,951	10,391
Depreciation and amortization									1		1
Operating earnings									(10,397)	(9,951)	(10,392)
Earnings before provision for income taxes									(10,397)	(9,951)	(10,392)
Provision (benefit) for income taxes									(4,037)	(3,838)	(4,186)
Equity in earnings of subsidiaries, net of tax									252,353	267,264	239,270
Net earnings									245,993	261,151	233,064
Total comprehensive income									245,993	261,151	233,064
Reportable Legal Entities | Sally Holdings LLC and Sally Capital Inc.
Condensed Consolidating Statement of Earnings
Selling, general and administrative expenses									474	434	674
Operating earnings									(474)	(434)	(674)
Interest expense									116,063	107,265	137,876
Earnings before provision for income taxes									(116,537)	(107,699)	(138,550)
Provision (benefit) for income taxes									(45,264)	(41,832)	(53,802)
Equity in earnings of subsidiaries, net of tax									323,626	333,131	324,018
Net earnings									252,353	267,264	239,270
Other comprehensive income (loss), net of tax											3,947
Total comprehensive income									252,353	267,264	243,217
Reportable Legal Entities | Guarantor Subsidiaries
Condensed Consolidating Statement of Earnings
Net sales									2,986,026	2,896,990	2,837,214
Related party sales									2,854	2,890	2,899
Cost of products sold and distribution expenses									1,486,048	1,437,620	1,406,817
Gross profit									1,502,832	1,462,260	1,433,296
Selling, general and administrative expenses									969,026	912,262	908,964
Depreciation and amortization									56,682	52,284	46,159
Operating earnings									477,124	497,714	478,173
Interest expense									13	32	66
Earnings before provision for income taxes									477,111	497,682	478,107
Provision (benefit) for income taxes									181,741	190,753	187,788
Equity in earnings of subsidiaries, net of tax									28,256	26,202	33,699
Net earnings									323,626	333,131	324,018
Total comprehensive income									323,626	333,131	324,018
Reportable Legal Entities | Non-Guarantor Subsidiaries
Condensed Consolidating Statement of Earnings
Net sales									767,472	725,226	686,430
Cost of products sold and distribution expenses									410,132	392,223	376,467
Gross profit									357,340	333,003	309,963
Selling, general and administrative expenses									293,617	280,062	259,177
Depreciation and amortization									22,980	19,908	18,538
Operating earnings									40,743	33,033	32,248
Interest expense									241	398	470
Earnings before provision for income taxes									40,502	32,635	31,778
Provision (benefit) for income taxes									12,246	6,433	(1,921)
Net earnings									28,256	26,202	33,699
Other comprehensive income (loss), net of tax									(18,730)	835	8,071
Total comprehensive income									9,526	27,037	41,770
Consolidating Eliminations
Condensed Consolidating Statement of Earnings
Related party sales									(2,854)	(2,890)	(2,899)
Cost of products sold and distribution expenses									(2,854)	(2,890)	(2,899)
Equity in earnings of subsidiaries, net of tax									(604,235)	(626,597)	(596,987)
Net earnings									(604,235)	(626,597)	(596,987)
Total comprehensive income									$ (604,235)	$ (626,597)	$ (596,987)