Significant Accounting Policies (Narrative) (Detail) (USD $)	3 Months Ended	12 Months Ended				12 Months Ended		3 Months Ended				12 Months Ended
	Sep. 29, 2012	Jun. 30, 2013	Jun. 29, 2012	Jun. 24, 2011	Feb. 08, 2013	Jun. 30, 2013 Clearing [Member]	Jun. 30, 2013 Institutional Brokerage [Member]	Dec. 29, 2011 Southwest Securities, FSB [Member]	Mar. 28, 2013 Southwest Securities	Jun. 29, 2012 Southwest Securities	Mar. 29, 2012 Southwest Securities	Jun. 30, 2013 Minimum Furniture And Equipment [Member]	Jun. 30, 2013 Maximum Furniture And Equipment [Member]	Jun. 30, 2013 Maximum Leasehold Improvements [Member]	Jun. 30, 2013 Maximum Building [Member]
Significant Of Accounting Policies [Line Items]
Number of states in which company has licenses to facilitate the sale of insurance		$ 44
Investment banking, advisory and administrative fees reclassified to conform to current presentation			1,437,000	1,407,000
FDIC insures interest-bearing cash accounts		250,000	250,000
FDIC noninsured interest-bearing cash accounts		37,833,000	30,504,000
Balances on hand or with the Federal Reserve Bank		1,649,000	1,503,000
Restricted cash and cash equivalents		30,047,000	30,044,000	100,000,000
Capital contribution								20,000,000	20,000,000	10,000,000
Loans provided											20,000,000
Reduction in intercompany payable										20,000,000
Repayment of loan									20,000,000
Restricted Cash and Cash Equivalents to be Used for General Corporate Purposes		30,000,000
Reporting units with Goodwill						4,254,000	3,298,000
Change in goodwill carrying value		0	0	0
Amount of additional write-downs required to reflect current fair value		1,657,000	1,301,000	14,221,000
Useful life												3 years	7 years	15 years	40 years
Depreciation expense		5,472,000	5,763,000	6,423,000
SBA loans sold		17,664,000
Gain on sale of SBA loans		2,253,000	(9,000)	(506,000)
Servicing Asset		418,000
Deferred tax asset related to the allowance for probable loan losses		3,400,000	7,131,000
Authorized repurchase shares					500,000
Increase in valuation allowance		29,998,000
Valuation allowance		30,870,000	872,000
Share repurchase expiry date		Feb. 28, 2013
Amount repurchased		0	0
Municipal auction rate bond par value			21,950,000
Valuation percentage of auction rate bond	92.50%
Number of municipal auction rate bonds			1
Write-down of municipal auction rate bond	$ 702,000