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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Taxes [Abstract]

Components of income tax expense attributable to operations

The significant components of income tax expense attributable to operations are:

		Years ended December 31,
(In thousands)		2015				2014				2013
Current
Federal		$	32,871			$	26,059			$	23,536
State			4,329				2,823				2,316
			37,200				28,882				25,852
Deferred
Federal			2,521				6,648				2,334
State			482				1,699				10
			3,003				8,347				2,344
Total income tax expense		$	40,203			$	37,229			$	28,196

Components of deferred tax assets and liabilities

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows:

		December 31,
(In thousands)		2015				2014
Deferred tax assets
Allowance for loan losses		$	24,090			$	25,689
Deferred compensation			10,023				8,744
Postretirement benefit obligation			2,988				2,377
Fair value adjustments from acquisitions			2,543				-
Unrealized losses on securities			589				-
Accrued liabilities			2,889				1,778
Stock-based compensation expense			5,394				6,457
Equipment leasing			476				1,416
Other			1,477				1,325
Total deferred tax assets			50,469				47,786
Deferred tax liabilities
Pension benefits			11,908				12,192
Fair value adjustments from acquisitions			-				1,243
Unrealized gains on securities			-				1,331
Premises and equipment, primarily due to accelerated depreciation			2,444				2,491
Deferred loan costs			1,591				1,460
Intangible amortization			19,082				14,162
Other			504				390
Total deferred tax liabilities			35,529				33,269
Net deferred tax asset at year-end			14,940				14,517
Net deferred tax asset at beginning of year			14,517				21,789
Increase (Decrease) in net deferred tax asset		$	423			$	(7,272	)

Reconciliation of the provision for income taxes to the amount computed by applying the federal statutory rate

The following is a reconciliation of the provision for income taxes to the amount computed by applying the applicable Federal statutory rate of 35 % to income before taxes:

		Years ended December 31
(In thousands)		2015				2014				2013
Federal income tax at statutory rate		$	40,820			$	39,306			$	31,482
Tax exempt income			(2,037	)			(2,250	)			(2,433	)
Net increase in CSV of life insurance			(1,373	)			(1,734	)			(1,166	)
Low income housing tax credits			(939	)			(880	)			(819	)
State taxes, net of federal tax benefit			3,127				2,939				1,512
Other, net			605				(152	)			(380	)
Income tax expense		$	40,203			$	37,229			$	28,196

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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