Schedule I - Condensed Statements Of Comprehensive Loss And Stockholders' Equity (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 29, 2012	Jun. 24, 2011
Revenue:
Net gains (losses) on principal transactions	$ 17,395	$ 28,049	$ 37,239
Interest revenue	97,350	122,120	138,867
Other revenue	23,775	21,518	19,165
Total revenue	318,114	353,741	389,819
Expenses:
Other expense	30,892	33,036	49,989
Unrealized gain (loss) on warrants valuation	3,613	(3,674)
Loss before income tax benefit	(6,690)	(5,940)	(33,454)
Income tax expense (benefit)	26,755	(1,211)	(10,251)
Net loss	(33,445)	(4,729)	(23,203)
Other comprehensive income (loss):
Realized gain on sale of securities available for sale, net of tax of $(1,277)	(2,373)
Net gains recognized in other comprehensive income, net of tax of $294 in 2013; $615 in 2012 and $253 in 2011 on available for sale securities	(6,889)	1,975	469
Net income (loss) recognized in other comprehensive income (loss)	(8,079)	1,980	461
Comprehensive loss	(41,524)	(2,749)	(22,742)
Beginning Balance	355,702	357,469	383,394
Payment of cash dividends on common stock - registrant			(3,877)
Restricted stock plan	1,033	1,093	1,073
Shortfall for taxes on vesting of restricted stock		(62)	(351)
Deferred compensation plan	95	(44)	(36)
Ending Balance	315,286	355,702	357,469
SWS Group, Inc
Revenue:
Net gains (losses) on principal transactions	3,719	(12)	75
Interest revenue	212	225
Other revenue	474	(785)	1,253
Total revenue	4,405	(572)	1,328
Expenses:
Other expense	21,572	19,115	8,690
Unrealized gain (loss) on warrants valuation	3,613	(3,674)
Loss before income tax benefit	(13,554)	(23,361)	(7,362)
Income tax expense (benefit)	24,787	(7,794)	(1,919)
Loss before equity in earnings of subsidiaries	(38,341)	(15,567)	(5,443)
Equity (loss) in earnings of subsidiaries	4,896	10,838	(17,760)
Net loss	(33,445)	(4,729)	(23,203)
Other comprehensive income (loss):
Net (losses) gains recognized in other comprehensive income of subsidiary, net of tax of $(3,378) in 2013; $449 in 2012 on available for sale securities	(6,272)	833
Realized gain on sale of securities available for sale, net of tax of $(1,277)	(2,373)
Net gains recognized in other comprehensive income, net of tax of $294 in 2013; $615 in 2012 and $253 in 2011 on available for sale securities	566	1,147	461
Net income (loss) recognized in other comprehensive income (loss)	(8,079)	1,980	461
Comprehensive loss	(41,524)	(2,749)	(22,742)
Beginning Balance	355,702	357,469	383,394
Payment of cash dividends on common stock - registrant			(3,877)
Restricted stock plan	1,033	1,093	1,073
Shortfall for taxes on vesting of restricted stock		(62)	(351)
Deferred compensation plan	(75)	49	28
Ending Balance	$ 315,286	$ 355,702	$ 357,469