Parent, Issuers, Guarantor and Non-Guarantor Condensed Consolidated Financial Statements (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Condensed Consolidating Balance Sheet
Percentage of guarantor subsidiaries owned by parent	100.00%
Assets
Cash and cash equivalents	$ 140,038	$ 106,575	$ 47,115	$ 240,220
Trade and other accounts receivable, less allowance for doubtful accounts	91,092	98,500
Inventory	885,214	828,429
Other current assets	37,049	38,995
Deferred income tax assets	33,709	31,650
Property and equipment, net	270,847	238,111
Goodwill and other intangible assets, net	623,217	651,085
Other assets	13,185	10,974
Total assets	2,094,351	2,004,319	1,924,493
Liabilities and Stockholders' (Deficit) Equity
Accounts payable	275,917	259,463
Accrued liabilities	208,717	198,769
Income taxes payable	6,310	4,331
Long-term debt	1,787,594	1,785,987
Other liabilities	27,734	27,848
Deferred income tax liabilities	85,900	74,974
Total liabilities	2,392,172	2,351,372
Total stockholders' (deficit) equity	(297,821)	(347,053)	(303,479)	(115,085)
Total liabilities and stockholders' deficit	2,094,351	2,004,319
Reportable Legal Entities | Parent
Assets
Trade and other accounts receivable, less allowance for doubtful accounts		2
Other current assets	2,308	7,935
Deferred income tax assets		(213)
Property and equipment, net	2	1
Investment in subsidiaries	663,045	471,320
Other assets	1,384
Total assets	666,739	479,045
Liabilities and Stockholders' (Deficit) Equity
Due to affiliates	962,264	826,819
Accrued liabilities	771	691
Income taxes payable	1,525
Deferred income tax liabilities (asset), net		(1,412)
Total liabilities	964,560	826,098
Total stockholders' (deficit) equity	(297,821)	(347,053)
Total liabilities and stockholders' deficit	666,739	479,045
Reportable Legal Entities | Sally Holdings LLC and Sally Capital Inc.
Assets
Cash and cash equivalents	46,003	27,000		155,000
Other current assets	27	452
Deferred income tax assets	11	1
Investment in subsidiaries	3,099,141	2,835,722
Other assets	2,894	3,277
Total assets	3,148,076	2,866,452
Liabilities and Stockholders' (Deficit) Equity
Due to affiliates	658,106	571,847
Accrued liabilities	40,768	40,751
Income taxes payable	1,337	1,051
Long-term debt	1,784,724	1,781,793
Deferred income tax liabilities (asset), net		(310)
Deferred income tax liabilities	96
Total liabilities	2,485,031	2,395,132
Total stockholders' (deficit) equity	663,045	471,320
Total liabilities and stockholders' deficit	3,148,076	2,866,452
Reportable Legal Entities | Guarantor Subsidiaries
Assets
Cash and cash equivalents	58,851	40,042	16,337	48,582
Trade and other accounts receivable, less allowance for doubtful accounts	60,744	63,009
Due from affiliates	1,687,325	1,464,752
Inventory	687,884	631,786
Other current assets	17,803	15,016
Deferred income tax assets	30,565	30,527
Property and equipment, net	195,271	158,402
Investment in subsidiaries	360,416	392,270
Goodwill and other intangible assets, net	468,342	476,113
Other assets	(6,949)	1,625
Total assets	3,560,252	3,273,542
Liabilities and Stockholders' (Deficit) Equity
Accounts payable	217,964	202,743
Due to affiliates	35	27
Accrued liabilities	136,688	129,791
Income taxes payable		1
Long-term debt	109	267
Other liabilities	24,686	25,020
Deferred income tax liabilities	81,629	79,971
Total liabilities	461,111	437,820
Total stockholders' (deficit) equity	3,099,141	2,835,722
Total liabilities and stockholders' deficit	3,560,252	3,273,542
Reportable Legal Entities | Non-Guarantor Subsidiaries
Assets
Cash and cash equivalents	35,184	39,533	$ 30,778	$ 36,638
Trade and other accounts receivable, less allowance for doubtful accounts	30,348	35,489
Due from affiliates	35	27
Inventory	197,330	196,643
Other current assets	16,911	15,592
Deferred income tax assets	3,133	1,335
Property and equipment, net	75,574	79,708
Goodwill and other intangible assets, net	154,875	174,972
Other assets	15,856	6,072
Total assets	529,246	549,371
Liabilities and Stockholders' (Deficit) Equity
Accounts payable	57,953	56,720
Due to affiliates	66,955	66,086
Accrued liabilities	30,490	27,536
Income taxes payable	3,448	3,279
Long-term debt	2,761	3,927
Other liabilities	3,048	2,828
Deferred income tax liabilities (asset), net		(3,275)
Deferred income tax liabilities	4,175
Total liabilities	168,830	157,101
Total stockholders' (deficit) equity	360,416	392,270
Total liabilities and stockholders' deficit	529,246	549,371
Consolidating Eliminations
Assets
Due from affiliates	(1,687,360)	(1,464,779)
Investment in subsidiaries	(4,122,602)	(3,699,312)
Total assets	(5,809,962)	(5,164,091)
Liabilities and Stockholders' (Deficit) Equity
Due to affiliates	(1,687,360)	(1,464,779)
Total liabilities	(1,687,360)	(1,464,779)
Total stockholders' (deficit) equity	(4,122,602)	(3,699,312)
Total liabilities and stockholders' deficit	$ (5,809,962)	$ (5,164,091)