Derivatives (Derivatives Associated with Capital Markets Trading Activities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Customer Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	$ 1,760,032	$ 1,706,209
Assets	80,710	88,851
Liabilities	4,948	8,925
Offsetting Upstream Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	1,760,032	1,706,209
Assets	4,948	8,925
Liabilities	80,710	88,851
Put Option [Member] | Short [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	5,000	2,500
Assets	0	0
Liabilities	4	6
Put Option [Member] | Long [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	17,500	40,000
Assets	29	36
Liabilities	0	0
Forwards And Futures Purchased [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	2,378,633	3,726,645
Assets	4,571	21,109
Liabilities	330	6,573
Forwards And Futures Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	2,487,732	4,159,652
Assets	548	5,201
Liabilities	$ 4,980	$ 27,995