Derivatives (Derivatives Associated with Capital Markets Trading Activities) (Details) - USD ($)	Jun. 30, 2015	Jun. 30, 2014
Customer Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	$ 1,640,844,000	$ 1,760,032,000
Assets	66,078,000	80,710,000
Liabilities	3,285,000	4,948,000
Offsetting Upstream Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	1,640,844,000	1,760,032,000
Assets	3,285,000	4,948,000
Liabilities	66,078,000	80,710,000
Put Option [Member] | ShortMember
Derivative Instruments, Gain (Loss) [Line Items]
Notional		5,000,000
Assets		0
Liabilities		4,000
Put Option [Member] | LongMember
Derivative Instruments, Gain (Loss) [Line Items]
Notional	15,000,000	17,500,000
Assets	55,000	29,000
Liabilities	0	0
Forwards And Futures Purchased [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	2,297,489,000	2,378,633,000
Assets	2,773,000	4,571,000
Liabilities	2,174,000	330,000
Forwards And Futures Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	2,531,248,000	2,487,732,000
Assets	2,526,000	548,000
Liabilities	$ 2,614,000	$ 4,980,000