Fair Value Of Financial Instruments (Narrative) (Detail) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 29, 2012
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Unrealized gain included in earnings related to assets and liabilities	$ 15,638,000
Redemption/sale of security	20,354,000
Number of auction rate preferred securities	25
Auction rate preferred securities	625,000
Adjustments to fair value on impaired loans	3,718,000	6,415,000
Adjustments to the fair value of REO	1,396,000	546,000
Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Auction rate preferred securities	1,800,000
Auction rate preferred securities - redeemed	1,250,000
Level 3 [Member] | Anticipated Redeemed At Par [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Auction rate preferred securities	625,000
Warrants [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Unrealized gain included in earnings related to assets and liabilities	15,638,000	15,759,000
Unrealized loss included in earnings related to assets and liabilities	12,102,000	19,433,000
Corporate Obligations [Member] | Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Realized loss recognized	3,308,000
Securities owned, at cost	3,505,000
Securities owned, at fair value	120,000
Municipal Obligations [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Redemption/sale of security	20,304,000
Number of auction rate bonds sold	1
Corporate Equity Securities [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Redemption/sale of security	$ 50,000
Number of auction rate securities redeemed	2