Affiliate Transactions (Narrative) (Detail) (USD $)	3 Months Ended	12 Months Ended
	Mar. 28, 2013	Jun. 30, 2013 item	Jun. 29, 2012	Jun. 24, 2011	Jun. 29, 2010
Compensating Balances [Line Items]
Value of FDIC insured funds		$ 250,000	$ 250,000
Core FDIC deposits		993,871,000	1,062,491,000
Core FDIC deposits		993,719,000	1,062,233,000
Number of directors		2
Ownership interest owned by the directors and family members					64.00%
Outstanding balances of loan participations sold			1,404,000
Proceeds from sale of foreclosed loans	4,339,000
Gain on sale of foreclosed loans	43,000
Share of proceeds to local bank from sale of loans	952,000
Payments of interest and fees to the local bank			98,000	137,000
Loans sold		19,782,000	1,751,000	43,986,000
Loans to affiliates		3,358,000
Interest income on affiliate loans		203,000		21,000
Deposits from affiliates		1,664,000	3,908,000
Southwest Securities [Member]
Compensating Balances [Line Items]
Core FDIC deposits		$ 878,434,000	$ 930,741,000