Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill totaled $741.7 million as of March 31, 2016, December 31, 2015, and March 31, 2015. Goodwill is not amortized but is evaluated for impairment on an annual basis at November 30 of each year or whenever events or changes in circumstances indicate the carrying value may not be recoverable. No events or circumstances since the November 30, 2015 annual impairment test were noted that would indicate it was more likely than not a goodwill impairment exists.

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.



	March 31, 2016
	Gross Carrying		Accumulated			Net Carrying
(In thousands)	Amount		Amortization			Amount
Core deposit intangibles ⁽¹⁾	$	82,323	$	(30,194	)	$	52,129
Lease intangible	238		(220		)	18
Trust Relationships ⁽²⁾	14,000		(7,823		)	6,177
	$	96,561	(38,237		)	$	58,324

	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
	$	96,561	(35,933		)	$	60,628

	March 31, 2015
	Gross Carrying		Accumulated			Net Carrying
(In thousands)	Amount		Amortization			Amount
Core deposit intangibles⁽¹⁾	$	82,323	$	(22,073	)	$	60,250
Lease intangible	238		(185		)	53
Trust relationships ⁽²⁾	14,000		(5,881		)	8,119
	$	96,561	(28,139		)	$	68,422

(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 $2.3 million in the three months ended March 31, 2016, compared to $2.6 million in the three months ended March 31, 2015. Estimated amortization expense for each of the next five years is as follows: remainder of 2016 - $6.9 million; 2017 - $8.2 million; 2018 - $7.3 million; and 2019 - $6.5 million; 2020 - $5.2 million.

- 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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