Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill totaled $741.7 million as of December 31, 2015 and 2014. The following table shows goodwill allocated by business segment.




(In thousands)	Commercial		Retail		Wealth		Total
Balance at December 31, 2014	$	527,406	$	193,961	$	20,373	$	741,740
Balance at December 31, 2015	$	527,406	$	193,961	$	20,373	$	741,740

The Corporation performed its annual impairment test of goodwill as of November 30, 2015 and determined that no impairment of goodwill had been incurred. Key changes in the market and our operations were monitored from our impairment test date of November 30 to year end in order to identify circumstances necessitating further testing of impairment. No such changes were noted for 2015. It is possible that a future conclusion could be reached that all or a portion of the Corporation’s goodwill may be impaired, in which case a noncash charge for the amount of such impairment would be recorded in earnings.

Other Intangible Assets

The Corporation has other intangible assets that are amortized, consisting of core deposit intangibles, lease intangibles and trust relationship intangibles. The following tables show the gross carrying amount, accumulated amortization, and net carrying amount of these intangible assets.



	December 31, 2015
	Gross Carrying		Accumulated			Net Carrying
(In thousands)	Amount		Amortization			Amount
Core deposit intangibles ⁽¹⁾	$	82,323	$	(28,304	)	$	54,019
Lease intangible	238		(212		)	26
Trust relationships ⁽²⁾	14,000		(7,417		)	6,583
Total intangibles	$	96,561	$	(35,933	)	$	60,628

	December 31, 2014
	Gross Carrying		Accumulated			Net Carrying
(In thousands)	Amount		Amortization			Amount
Core deposit intangibles ⁽¹⁾	$	82,323	$	(19,996	)	$	62,327
Lease intangible	238		(176		)	62
Trust relationships ⁽²⁾	14,000		(5,369		)	8,631
Total intangibles	$	96,561	$	(25,541	)	$	71,020

(1) Core deposit intangibles are amortized on an accelerated basis over their estimated useful lives, which range from 10-15 years.

(2) Trust relationship intangibles are amortized on an accelerated basis on their estimated useful lives of 12 years.

Amortization expense for intangible assets was $10.4 million in 2015, $11.7 million in 2014, and $8.4 million in 2013.

The following table shows the estimated future amortization expense for intangible assets subject to amortization as of December 31, 2015.



(In thousands)
For the years ended:
December 31, 2016	$	9,209
December 31, 2017	8,161
December 31, 2018	7,273
December 31, 2019	6,500
December 31, 2020	5,214
Total estimated future amortization	$	36,357

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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