Securities Available For Sale (Narrative) (Detail) (USD $)	1 Months Ended	12 Months Ended
	Mar. 31, 2011	Jun. 30, 2013	Jun. 29, 2012	Jun. 24, 2011
Schedule of Available-for-sale Securities [Line Items]
Realized gain recognized		$ 3,550,000
Reclassification adjustment from accumulated other comprehensive income			2,308,000
Reclassification adjustment from accumulated other comprehensive income			3,550,000
Securities purchased by bank	35,525,000
Net premium on U.S. government and government agency and municipal obligations securities	525,000
Net premium amortization period	15 years
Amortization of the premium		117,000	190,000	162,000
Principal and interest payments		9,019,000	8,992,000	7,729,000
Interest income		654,000	910,000	1,140,000
Gain on sale of U.S. government and government obligations		3,650,000	557,000	81,000
US Governments, State and Municipal Obligation Member [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities purchased by bank		319,836,000	384,730,000
Net premium on U.S. government and government agency and municipal obligations securities		6,279,000	8,387,000
Net premium amortization period		4 years 6 months 4 days	4 years 15 days
Amortization of the premium		1,868,000	744,000
Principal and interest payments		47,129,000	16,718,000
Interest income		7,585,000	2,393,000
U.S. government and government agency and municipal obligations securities sold		25,788,000	66,936,000
Gain on sale of U.S. government and government obligations		100,000	557,000
Reclassification adjustment from AOCI, before tax		65,000	362,000
Redemption of securities		41,500,000
Gain on redemption of securities		20,000
Municipal Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Municipal obligations matured		$ 495,000
USHS [Member]
Schedule of Available-for-sale Securities [Line Items]
Purchase price of outstanding common stock		$ 12.50