On-Balance Sheet Derivative Instruments And Hedging Activities (Schedule Of Outstanding Derivatives) (Details) (USD $) In Thousands	Jun. 30, 2011	Jun. 30, 2010
Other Assets [Member] | Asset Derivatives [Member] | Interest Rate Contracts [Member] | Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Asset	$ 13,774	$ 10,337
Other Assets [Member] | Asset Derivatives [Member] | Written and Purchase Options [Member] | Not Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Asset	8,114	825
Other Assets [Member] | Asset Derivatives [Member] | Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Liability	13,774	10,337
Other Assets [Member] | Asset Derivatives [Member] | Not Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Asset	18,795	19,778
Derivative Asset, Fair Value, Gross Liability	26,909	20,603
Other Liabilities [Member] | Liability Derivatives [Member] | Interest Rate Contracts [Member] | Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Asset		157
Other Liabilities [Member] | Liability Derivatives [Member] | Written and Purchase Options [Member] | Not Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Asset	8,114	825
Other Liabilities [Member] | Liability Derivatives [Member] | Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Liability		157
Other Liabilities [Member] | Liability Derivatives [Member] | Not Designated As Hedging Instrument [Member]
Derivative Asset, Fair Value, Gross Asset	18,795	19,778
Derivative Asset, Fair Value, Gross Liability	$ 26,909	$ 20,603