Securities Held To Maturity (Narrative) (Detail) (USD $)	1 Months Ended		12 Months Ended
	Mar. 31, 2011	Jan. 31, 2011	Jun. 30, 2013	Jun. 29, 2012	Jun. 24, 2011
Disclosure Securities Held To Maturity Narrative [Abstract]
GNMA securities at cost	$ 35,525,000
GNMA securities premium	525,000
Premium amortized period	15 years
Weighted average yield	2.40%
Weighted average maturity	2 years 4 months 24 days
Amortization of the premium			117,000	190,000	162,000
Principal and interest payments			9,019,000	8,992,000	7,729,000
Interest payment			654,000	910,000	1,140,000
Purchased amount of GNMA securities sold		42,519,000
GNMA securities sold		42,579,000
Realized gains on sale of securities		60,000
Amortization of the discount on these securities					4,900
Redemption of securities					6,269,000
Realized gains on redemption of securities					$ 1,078,000