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Component: (Network and Table)
Network
100350 - Disclosure - Income Taxes (Tables)
(http://www.adtran.com/20161231/taxonomy/role/DisclosureIncomeTaxesTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Income Tax Disclosure [Abstract]
 
Summary of Components of Provision for Income Taxes

A summary of the components of the provision for income taxes for the years ended December 31, 2016, 2015 and 2014 is as follows:

 

(In thousands)

 

2016

 

 

2015

 

 

2014

 

Current

 

 

 

 

 

 

 

 

 

 

 

 

Federal

 

$

12,733

 

 

$

7,504

 

 

$

7,626

 

State

 

 

1,141

 

 

 

279

 

 

 

599

 

International

 

 

477

 

 

 

(29

)

 

 

12,587

 

Total Current

 

 

14,351

 

 

 

7,754

 

 

 

20,812

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Deferred

 

 

 

 

 

 

 

 

 

 

 

 

Federal

 

 

647

 

 

 

(585

)

 

 

(1,083

)

State

 

 

73

 

 

 

(66

)

 

 

(123

)

International

 

 

(3,405

)

 

 

(41

)

 

 

(4,320

)

Total Deferred

 

 

(2,685

)

 

 

(692

)

 

 

(5,526

)

Total Provision for Income Taxes

 

$

11,666

 

 

$

7,062

 

 

$

15,286

 

 

 
 
Effective Income Tax Rate Differs from Federal Statutory Rate

Our effective income tax rate differs from the federal statutory rate due to the following:

 

 

 

2016

 

 

2015

 

 

2014

 

Tax provision computed at the federal statutory rate

 

 

35.00

%

 

 

35.00

%

 

 

35.00

%

State income tax provision, net of federal benefit

 

 

3.93

 

 

 

4.86

 

 

 

2.69

 

Federal research credits

 

 

(8.15

)

 

 

(12.55

)

 

 

(4.05

)

Foreign taxes

 

 

(0.34

)

 

 

2.10

 

 

 

(7.26

)

Tax-exempt income

 

 

(0.53

)

 

 

(1.94

)

 

 

(1.25

)

State tax incentives

 

 

(2.77

)

 

 

(5.04

)

 

 

(2.21

)

Stock-based compensation

 

 

2.53

 

 

 

6.91

 

 

 

3.06

 

Domestic production activity deduction

 

 

(2.23

)

 

 

(3.17

)

 

 

(1.15

)

Bargain purchase

 

 

(2.64

)

 

 

 

 

 

 

Other, net

 

 

0.08

 

 

 

1.30

 

 

 

0.69

 

Effective Tax Rate

 

 

24.88

%

 

 

27.47

%

 

 

25.52

%

 

 
 
Income Before Provision for Income Taxes

Income before provision for income taxes for the years ended December 31, 2016, 2015 and 2014 is as follows:

 

(In thousands)

 

2016

 

 

2015

 

 

2014

 

U.S. entities

 

$

54,077

 

 

$

27,400

 

 

$

23,812

 

International entities

 

 

(7,182

)

 

 

(1,692

)

 

 

36,094

 

Total

 

$

46,895

 

 

$

25,708

 

 

$

59,906

 

 

 
 
Principal Components of Current and Non-current Deferred Taxes

Deferred income taxes on the balance sheet result from temporary differences between the amount of assets and liabilities recognized for financial reporting and tax purposes. The principal components of our current and non-current deferred taxes are as follows:

 

(In thousands)

 

2016

 

 

2015

 

Deferred tax assets

 

 

 

 

 

 

 

 

Accounts receivable

 

$

 

 

$

7

 

Inventory

 

 

12,020

 

 

 

12,558

 

Accrued expenses

 

 

5,551

 

 

 

6,359

 

Investments

 

 

1,062

 

 

 

 

Deferred compensation

 

 

5,751

 

 

 

5,072

 

Stock-based compensation

 

 

4,724

 

 

 

4,704

 

Uncertain tax positions related to state taxes and related interest

 

 

762

 

 

 

1,026

 

Pensions

 

 

4,273

 

 

 

5,729

 

Foreign losses

 

 

6,486

 

 

 

5,389

 

State losses and credit carry-forwards

 

 

4,021

 

 

 

4,187

 

Federal loss and research carry-forwards

 

 

5,886

 

 

 

5,886

 

Valuation allowance

 

 

(6,149

)

 

 

(7,250

)

Total Deferred Tax Assets

 

 

44,387

 

 

 

43,667

 

 

 

 

 

 

 

 

 

 

Deferred tax liabilities

 

 

 

 

 

 

 

 

Property, plant and equipment

 

 

(4,433

)

 

 

(3,315

)

Accrued expenses

 

 

 

 

 

(2,791

)

Intellectual property

 

 

(1,918

)

 

 

(476

)

Investments

 

 

 

 

 

(70

)

Total Deferred Tax Liabilities

 

 

(6,351

)

 

 

(6,652

)

Net Deferred Tax Assets

 

$

38,036

 

 

$

37,015

 

 

 
 
Change in Unrecognized Income Tax Benefits

The change in the unrecognized income tax benefits for the years ended December 31, 2016, 2015 and 2014 is reconciled below:

 

(In thousands)

 

2016

 

 

2015

 

 

2014

 

Balance at beginning of period

 

$

2,537

 

 

$

3,334

 

 

$

3,240

 

Increases for tax position related to:

 

 

 

 

 

 

 

 

 

 

 

 

Prior years

 

 

95

 

 

 

 

 

 

 

Current year

 

 

428

 

 

 

280

 

 

 

522

 

Decreases for tax positions related to:

 

 

 

 

 

 

 

 

 

 

 

 

Prior years

 

 

 

 

 

(29

)

 

 

 

Settlements with taxing authorities

 

 

 

 

 

(103

)

 

 

 

Expiration of applicable statute of limitations

 

 

(834

)

 

 

(945

)

 

 

(428

)

Balance at end of period

 

$

2,226

 

 

$

2,537

 

 

$

3,334