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INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Components of Income (Loss) before Income Taxes

The components of income before income taxes are as follows (in thousands):

 

 

 

Year ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

United States

 

$

100,260

 

 

$

69,595

 

 

$

54,338

 

Foreign

 

 

49,277

 

 

 

(997

)

 

 

(21,279

)

Income before income tax

 

$

149,537

 

 

$

68,598

 

 

$

33,059

 

 

Components of Income Tax Expense

The components of the income tax expense are as follows (in thousands):

 

 

 

Year ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Current income tax benefit (expense):

 

 

 

 

 

 

 

 

 

 

 

 

Federal

 

$

(5,817

)

 

$

(4,485

)

 

$

(1,018

)

State

 

 

(54

)

 

 

(47

)

 

 

(2

)

Foreign

 

 

(15,406

)

 

 

(12,902

)

 

 

(10,224

)

 

 

 

(21,277

)

 

 

(17,434

)

 

 

(11,244

)

Deferred income tax (expense) benefit:

 

 

 

 

 

 

 

 

 

 

 

 

Federal

 

 

(24,425

)

 

 

(2,683

)

 

 

(7,145

)

State

 

 

(23

)

 

 

(503

)

 

 

51

 

Foreign

 

 

73

 

 

 

92

 

 

 

(43

)

 

 

 

(24,375

)

 

 

(3,094

)

 

 

(7,137

)

Income tax expense

 

$

(45,652

)

 

$

(20,528

)

 

$

(18,381

)

 

Reconciliation of the Statutory U.S. Federal Tax Rate to the Effective Tax Rate

Reconciliation of the statutory U.S. federal tax rate to the Company's effective tax rate is as follows:

 

 

 

Year ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Statutory U.S. federal income tax rate

 

 

35.0

%

 

 

35.0

%

 

 

35.0

%

State income taxes, net of federal benefit

 

 

0.0

%

 

 

0.5

%

 

 

(0.1

)%

Effect of foreign operations

 

 

(7.1

)%

 

 

0.9

%

 

 

15.2

%

Accruals and reserves

 

 

0.1

%

 

 

3.2

%

 

 

0.0

%

Nondeductible employee compensation

 

 

1.5

%

 

 

1.5

%

 

 

2.5

%

Research tax credits

 

 

(0.7

)%

 

 

(1.3

)%

 

 

(4.4

)%

Change in valuation allowance

 

 

(4.1

)%

 

 

(9.7

)%

 

 

8.4

%

Stock based compensation

 

 

(1.9

)%

 

 

0.0

%

 

 

0.0

%

U.S. Tax Cuts and Jobs Act

 

 

7.7

%

 

 

0.0

%

 

 

0.0

%

Other

 

 

0.0

%

 

 

(0.2

)%

 

 

(1.0

)%

Effective tax rate

 

 

30.5

%

 

 

29.9

%

 

 

55.6

%

 

Tax Loss and Tax Credit Carryforwards

The following table summarizes Company tax loss and tax credit carry forwards for tax return purposes at December 31, 2017 (in thousands):

 

 

 

Related Tax Deduction

 

Tax Benefit

 

 

Expiration Date

Tax credit carry forwards:

 

 

 

 

 

 

 

 

Research tax credits

 

n/a

 

$

12,928

 

 

2029 to 2037

Foreign tax credits

 

n/a

 

 

6,161

 

 

2027

State research tax credits

 

n/a

 

 

2,473

 

 

2025 to 2030

Total credit carry forwards

 

n/a

 

$

21,562

 

 

 

 

Significant Components of Deferred Tax Assets and Liabilities

Significant components of the Company's net deferred tax assets and liabilities are as follows (in thousands):

 

 

 

December 31,

 

 

 

2017

 

 

2016

 

Deferred tax asset:

 

 

 

 

 

 

 

 

Net operating loss carry forwards

 

$

-

 

 

$

3,405

 

Capitalized technology license

 

 

804

 

 

 

4,163

 

Capitalized research expenditures

 

 

3,719

 

 

 

8,100

 

Accruals and reserves

 

 

962

 

 

 

6,712

 

Retirement plan

 

 

7,125

 

 

 

9,723

 

Deferred revenue

 

 

206

 

 

 

516

 

Tax credit carry forwards

 

 

21,562

 

 

 

1,846

 

Stock-based compensation

 

 

1,819

 

 

 

2,889

 

Other

 

 

59

 

 

 

874

 

 

 

 

36,256

 

 

 

38,228

 

Valuation allowance

 

 

(2,460

)

 

 

(7,950

)

Deferred tax assets

 

 

33,796

 

 

 

30,278

 

Deferred tax liability:

 

 

 

 

 

 

 

 

Accruals and reserves

 

 

(6,774

)

 

 

(5,785

)

Deferred tax liabilities

 

 

(6,774

)

 

 

(5,785

)

Net deferred tax assets

 

$

27,022

 

 

$

24,493