Restructuring, Repositioning, And Efficiency (Schedule Of Restructuring And Repositioning Liability) (Details) (USD $) In Thousands, unless otherwise specified	60 Months Ended	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2012 Expense [Member]	Mar. 31, 2011 Expense [Member]	Mar. 31, 2012 Liability [Member]	Mar. 31, 2011 Liability [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and repositioning reserve balance, Beginning balance				$ 12,026	$ 9,108
Severance and other employee related costs		(152)	2,496
Severance and other employee cost reserve				(152)	2,496
Facility consolidation costs		44	795
Reserve for facility consolidation costs				44	795
Other exit costs, professional fees, and other	19,165	111
Other exit costs, professional fees, and other				111
Total accrued Expense		3	3,291
Total accrued Liability				12,029	12,399
Payments related to: Severance and other employee costs				2,037	2,954
Payments related to: Facility consolidation costs				592	690
Payments related to: Other exit costs, professional fees, and other				15
Accrual reversals				997	112
Restructuring and repositioning reserve balance, Ending balance				8,388	8,643
Mortgage banking expense on servicing sales
(Gains)/losses on divestitures	947	(200)
Impairment of premises and equipment	22,380	5	184
Impairment of intangible assets	48,231		10,100
Impairment of other assets	40,492
Other	7,574
Total other restructuring and repositioning expense		(195)	10,284
Total restructuring and repositioning charges		$ (192)	$ 13,575