Schedule I - Condensed Statements Of Financial Condition (Detail) (USD $)	Jun. 30, 2013	Jun. 29, 2012	Jul. 29, 2011	Jun. 24, 2011	Jun. 29, 2010
Assets
Restricted cash and cash equivalents	$ 30,047,000	$ 30,044,000		$ 100,000,000
Securities available for sale	503,276,000	307,789,000
Other assets	91,160,000	144,915,000
Total assets	3,780,373,000	3,546,843,000		3,802,157,000
Liabilities and Stockholders' Equity
Long-term debt	83,102,000	79,076,000
Stock purchase warrants ("Warrants")	24,197,000	27,810,000	24,136,000
Other liabilities	65,742,000	66,347,000
Stockholders' equity	315,286,000	355,702,000		357,469,000	383,394,000
Total liabilities and stockholders' equity	3,780,373,000	3,546,843,000
SWS Group, Inc
Assets
Restricted cash and cash equivalents	30,047,000	30,044,000
Investment in subsidiaries, at equity	408,954,000	392,330,000
Securities available for sale	146,000	3,782,000
Deferred compensation asset	17,593,000	15,912,000
Loan receivable from Southwest Securities, Inc.		20,000,000
Deferred tax asset	(14,971,000)	7,803,000
Other assets	3,273,000	4,566,000
Total assets	445,042,000	474,437,000
Liabilities and Stockholders' Equity
Long-term debt	83,102,000	79,076,000
Stock purchase warrants ("Warrants")	24,197,000	27,810,000
Other liabilities	22,457,000	11,849,000
Stockholders' equity	315,286,000	355,702,000		357,469,000	383,394,000
Total liabilities and stockholders' equity	$ 445,042,000	$ 474,437,000