Loans And Allowance For Probable Loan Losses (Recorded Investment In Loans Modified In TDRs) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 29, 2012
Financing Receivable, Modifications [Line Items]
Recorded Investment in Loans Modified in Trouble Debt Restructuring	$ 18,293	$ 18,127
Residential Construction
Financing Receivable, Modifications [Line Items]
Recorded Investment in Loans Modified in Trouble Debt Restructuring	605
Lot And Land Development
Financing Receivable, Modifications [Line Items]
Recorded Investment in Loans Modified in Trouble Debt Restructuring	4,927	1,902
1-4 Family
Financing Receivable, Modifications [Line Items]
Recorded Investment in Loans Modified in Trouble Debt Restructuring	7,690	14,364
Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Recorded Investment in Loans Modified in Trouble Debt Restructuring	4,574	1,450
Commercial Loans
Financing Receivable, Modifications [Line Items]
Recorded Investment in Loans Modified in Trouble Debt Restructuring	$ 497	$ 411