Short-term Borrowings and Long-term Debt (Details 2) (USD $)					12 Months Ended				12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2014 ABL facility	Oct. 29, 2013 ABL facility	Sep. 30, 2013 ABL facility	Jul. 31, 2013 ABL facility	Sep. 30, 2014 ABL facility after Second Amendment Restricted payments up to $30.0 million	Sep. 30, 2014 ABL facility after Second Amendment Restricted payments in excess of $30.0 million	Sep. 30, 2014 Senior notes due 2019, 2022 and 2023 item	Sep. 30, 2014 Senior notes due 2019, 2022 and 2023 Maximum
Fiscal Year:
2015	$ 95,000
Thereafter	1,807,447,000
Total	1,807,542,000	1,685,691,000				88,500,000	76,000,000
Capital lease obligations	4,099,000	5,012,000
Less: current portion	974,000	78,018,000
Total long-term debt	1,810,667,000	1,612,685,000
Secured Leverage Ratio, threshold					4.0
Secured Leverage Ratio					0.1
Consolidated Coverage Ratio, threshold											2.0
Consolidated Coverage Ratio											5.6
Number of consecutive fiscal quarters											4
Percentage of Sally Holdings and its subsidiaries cumulative consolidated net earnings											50.00%
Consolidated Total Leverage Ratio, threshold											3.25
Consolidated Total Leverage Ratio											2.8
Cash and cash equivalents	106,575,000	47,115,000	240,220,000	63,481,000								100,000,000
Restricted payments									30,000,000
Minimum borrowing availability					40,000,000				75,000,000	100,000,000
Percentage of borrowing base					10.00%				15.00%	20.00%
Period prior to payments of dividends and other equity distributions up to certain thresholds under the terms of the credit facility must be met									45 days	45 days
Consolidated Fixed-Charge Coverage Ratio, threshold					1.0					1.1
Consolidated Fixed-Charge Coverage Ratio					3.6
Revolving credit facility borrowing availability								500,000,000		150,000,000
Percentage of lesser of $150.0 million or borrowing base, considered for applicability of Consolidated Fixed Charge Coverage Ratio										30.00
Trailing period preceding proposed Restricted Payment										12 months
Outstanding letter of credit related to inventory purchases and self-insurance programs	$ 22,000,000	$ 23,900,000