Schedule I - Condensed Statement Of Cash Flows (Detail) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 29, 2012	Jun. 24, 2011
Cash flows from operating activities:
Net loss	$ (33,445,000)	$ (4,729,000)	$ (23,203,000)
Accretion of discount on long-term debt	4,026,000	3,212,000
Amortization of deferred debt issuance costs	492,000	451,000
(Decrease) increase in fair value of Warrants	(3,613,000)	3,674,000
Deferred income tax expense (benefit)	(2,596,000)	9,023,000	(4,037,000)
Allowance for deferred tax asset	29,998,000	28,000	844,000
Deferred compensation for deferred compensation plan and restricted stock Plan	(980,000)	547,000	3,431,000
Gain on investment in securities available for sale	(3,650,000)	(557,000)	(81,000)
Equity in losses of unconsolidated ventures	(124,000)	(572,000)	(209,000)
Dividend received on investments	(16,000)	(61,000)	(24,000)
Shortfall for taxes on vesting of restricted stock		62,000	351,000
Change in operating assets and liabilities:
(Increase) decrease in securities owned	21,518,000	(9,564,000)	24,000,000
Increase in other assets	6,815,000	(7,043,000)	(6,634,000)
(Decrease) increase in other liabilities	(5,763,000)	1,552,000	(5,059,000)
Net cash (used in) provided by operating activities	(64,503,000)	(1,500,000)	489,997,000
Cash flows from investing activities:
Cash received from investments	50,650,000	22,924,000	6,895,000
Proceeds from sale of available-for-sale securities	30,352,000	67,493,000	75,555,000
Investment of proceeds received from Hilltop Holdings, Inc., Oak Hill Capital Partners III, L.P. and Oak Hill Capital Management Partners III, L.P. in restricted fund		(30,000,000)
Net cash provided by (used in) investing activities	59,646,000	(219,838,000)	208,484,000
Cash flows from financing activities:
Payment of cash dividends on common stock			(3,904,000)
Shortfall (excess) for taxes on vesting of restricted stock		(62,000)	(351,000)
Proceeds related to the deferred compensation plan	276,000	309,000	444,000
Purchase of treasury stock related to deferred compensation plan	(121,000)	(329,000)	(439,000)
Cash proceeds received from Hilltop Holdings, Inc., Oak Hill Capital Partners III, L.P. and Oak Hill Capital Management Partners III, L.P.		100,000,000
Net cash provided by (used in) financing activities	34,077,000	4,261,000	(426,768,000)
Net change in cash	29,220,000	(217,077,000)	271,713,000
Cash and cash equivalents at beginning of year	81,826,000	298,903,000	27,190,000
Cash and cash equivalents at end of year	111,046,000	81,826,000	298,903,000
SWS Group, Inc
Cash flows from operating activities:
Net loss	(33,445,000)	(4,729,000)	(23,203,000)
Accretion of discount on long-term debt	4,026,000	3,212,000
Amortization of deferred debt issuance costs	492,000	451,000
(Decrease) increase in fair value of Warrants	(3,613,000)	3,674,000
Deferred income tax expense (benefit)	(5,178,000)	(1,584,000)	377,000
Allowance for deferred tax asset	29,998,000	28,000	844,000
Deferred compensation for deferred compensation plan and restricted stock Plan	(777,000)	1,516,000	3,172,000
Gain on investment in securities available for sale	(3,550,000)
Equity in undistributed (loss) earnings of subsidiaries	(22,956,000)	(39,436,000)	18,899,000
Equity in losses of unconsolidated ventures	640,000	620,000	180,000
Dividend received on investments	(3,000)	(43,000)
Shortfall for taxes on vesting of restricted stock		62,000	351,000
Change in operating assets and liabilities:
(Increase) decrease in securities owned	(169,000)	12,000	(76,000)
Increase in other assets	(2,792,000)	(772,000)	(5,292,000)
(Decrease) increase in other liabilities	11,599,000	(695,000)	(9,978,000)
Net cash (used in) provided by operating activities	(25,728,000)	(37,684,000)	(14,726,000)
Cash flows from investing activities:
Payments on notes and other accounts/loans with subsidiaries		(50,000,000)
Repayments on notes and other accounts with subsidiaries	20,768,000	17,766,000	18,976,000
Cash received from investments	(341,000)
Proceeds from sale of available-for-sale securities	4,464,000
Investment of proceeds received from Hilltop Holdings, Inc., Oak Hill Capital Partners III, L.P. and Oak Hill Capital Management Partners III, L.P. in restricted fund		(30,000,000)
Net cash provided by (used in) investing activities	25,573,000	(62,234,000)	18,976,000
Cash flows from financing activities:
Payment of cash dividends on common stock			(3,904,000)
Shortfall (excess) for taxes on vesting of restricted stock		(62,000)	(351,000)
Proceeds related to the deferred compensation plan	276,000	309,000	444,000
Purchase of treasury stock related to deferred compensation plan	(121,000)	(329,000)	(439,000)
Cash proceeds received from Hilltop Holdings, Inc., Oak Hill Capital Partners III, L.P. and Oak Hill Capital Management Partners III, L.P.		100,000,000
Net cash provided by (used in) financing activities	$ 155,000	$ 99,918,000	$ (4,250,000)