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GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2011

GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS [Abstract]

Gross carrying amount and accumulated amortization of identifiable intangible assets

The gross carrying amount and accumulated amortization for each type of identifiable intangible asset are as follows:

	As of December 31, 2011			As of December 31, 2010
	Gross		Net	Gross		Net
	Carrying	Accumulated	Carrying	Carrying	Accumulated	Carrying
(000's omitted)	Amount	Amortization	Amount	Amount	Amortization	Amount
Amortizing intangible assets:
Core deposit intangibles	$64,610	($53,091)	$11,519	$60,595	($49,698)	$10,897
Other intangibles	9,752	(5,757)	3,995	7,894	(4,769)	3,125
Total amortizing intangibles	$74,362	($58,848)	$15,514	$68,489	($54,467)	$14,022

Amortization expense

The estimated aggregate amortization expense for each of the five succeeding fiscal years ended December 31 is as follows:

2012	4,112
2013	3,304
2014	2,579
2015	1,905
2016	1,314
Thereafter	2,300
Total	$15,514

Components of goodwill

Shown below are the components of the Company's goodwill at December 31, 2011 and 2010:

	Year Ended		Year Ended		Year Ended
(000's omitted)	December 31, 2009	Activity	December 31, 2010	Activity	December 31, 2011
Goodwill	$302,516	$0	$302,516	$47,358	$349,874
Accumulated impairment	(4,824)	0	(4,824)	0	(4,824)
Goodwill, net	$297,692	$0	$297,692	$47,358	$345,050

Changes in Mortgage servicing rights

The following table summarizes the changes in carrying value of MSRs and the associated valuation allowance:

(000's omitted)	2011	2010
Balance at beginning of period	$2,773	$2,551
Additions	239	991
Amortization	(867)	(769)
Carrying value before valuation allowance at end of period	2,145	2,773
Valuation allowance balance at beginning of period	(351)	(80)
Impairment charges	(526)	(351)
Impairment recoveries	480	80
Valuation allowance balance at end of period	(397)	(351)
Net carrying value at end of period	$1,748	$2,422
Fair value of MSRs at end of period	$1,748	$2,422
Principal balance of loans sold during the year	$34,625	$119,018
Principal balance of loans serviced for others	$458,836	$496,269
Custodial escrow balances maintained in connection with loans serviced for others	$5,823	$6,139

Table of key economic assumptions used to estimate fair value of MSRs

The following table summarizes the key economic assumptions used to estimate the value of the MSRs at December 31:

	2011	2010
Weighted-average contractual life (in years)	19.5	20.2
Weighted-average constant prepayment rate (CPR)	24.7%	19.2%
Weighted-average discount rate	3.2%	4.9%

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References+ Details

- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

+ References+ Details

- Definition

Tabular disclosure of the activity in the balance of servicing assets (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (for instance, through purchases of servicing assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value along with a description of those changes, and other changes that affect the balance along with a description of those changes.

+ References+ Details