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Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Income before Income Tax, Domestic and Foreign
The following is a geographical breakdown of income (loss) before the provision for income taxes:
 
Year Ended December 31,
 
2018
 
2017 (1)
 
2016 (1)
 
(In thousands)
Domestic
$
46,528

 
$
25,280

 
$
16,395

Foreign
(10,912
)
 
(20,768
)
 
(3,419
)
Income (loss) before provision for income taxes
$
35,616

 
$
4,512

 
$
12,976

___________________________________________
(1) 
As adjusted for full retrospective adoption of ASC 606.
Schedule of Components of Income Tax Expense (Benefit)
The provision for (benefit from) income taxes consisted of the following:
 
Year Ended December 31,
 
2018
 
2017 (1)
 
2016 (1)
 
(In thousands)
Current:
 
 
 
 
 
Federal
$
1,404

 
$
2,430

 
$
6,724

State
1,832

 
1,852

 
1,323

Foreign
768

 
745

 
46

Total current income taxes
4,004

 
5,027

 
8,093

Deferred:
 
 
 
 
 
Federal
5,455

 
(19,822
)
 
1,846

State
(909
)
 
(3,430
)
 
(1,255
)
Foreign
(10,663
)
 
(7,781
)
 
(5,464
)
Total deferred income taxes
(6,117
)
 
(31,033
)
 
(4,873
)
Total provision for (benefit from) income taxes
$
(2,113
)
 
$
(26,006
)
 
$
3,220

___________________________________________
(1) 
As adjusted for full retrospective adoption of ASC 606.
Schedule of Effective Income Tax Rate Reconciliation
The provision for (benefit from) income taxes differs from the amount computed by applying the statutory federal tax rate as follows:
 
Year Ended December 31,
 
2018
 
2017 (1)
 
2016 (1)
 
(In thousands)
U.S. federal tax provision at statutory rate
$
7,479

 
$
1,579

 
$
4,542

State taxes
651

 
224

 
236

Non-deductible expenses
1,424

 
1,373

 
1,212

Acquisition costs
—

 
—

 
845

Share-based compensation expense
414

 
39

 
1,941

Research tax credits
(3,230
)
 
(3,233
)
 
(2,075
)
Domestic production deduction
—

 
(621
)
 
(890
)
Restructuring impact
(4,205
)
 
—

 
—

Foreign derived intangible income deduction
(349
)
 
—

 
—

Tax audit settlement
—

 
—

 
(2,499
)
Foreign rate differential
561

 
938

 
(154
)
Stock option tax benefit
(4,419
)
 
(5,926
)
 
—

One-time impact of the Tax Act
—

 
(20,005
)
 
—

Other
(439
)
 
(374
)
 
62

Total provision for (benefit from) income taxes
$
(2,113
)
 
$
(26,006
)
 
$
3,220

___________________________________________
(1) 
As adjusted for full retrospective adoption of ASC 606.
Schedule of Deferred Tax Assets and Liabilities
Significant components of the Company’s deferred tax assets (liabilities) were as follows:
 
December 31,
2018
 
December 31, 2017 (1)
 
(In thousands)
Deferred tax assets (liabilities):
 
 
 
Deferred revenues
$
2,943

 
$
127

Share-based compensation
5,531

 
4,460

Inventory related items
2,874

 
2,441

Tax credit carryforwards
7,413

 
9,349

Reserves and accruals
5,983

 
3,960

Loss carryforwards
17,515

 
8,643

Other, net
81

 
1,307

Gross deferred tax assets
42,340

 
30,287

Valuation allowance
(1,256
)
 
—

Total net deferred tax assets
41,084

 
30,287

 
 
 
 
Intangibles
(32,304
)
 
(36,780
)
Depreciation and amortization
(22,504
)
 
(14,338
)
Prepaid expenses
(12,563
)
 
(11,161
)
Total deferred tax liabilities
(67,371
)
 
(62,279
)
 
 
 
 
Net deferred tax liabilities
$
(26,287
)
 
$
(31,992
)
___________________________________________
(1) 
As adjusted for full retrospective adoption of ASC 606.
Schedule of Unrecognized Tax Benefits
The aggregate change in the balance of gross unrecognized tax benefits, which excludes interest and penalties, for the three years ended December 31, 2018 was as follows:
 
(In thousands)
Year Ended December 31, 2015
$
9,150

Increases related to tax positions taken during a prior period
244

Decreases related to tax positions taken during the prior period
(1,980
)
Increases related to tax positions taken during the current period
6,724

Decreases related to settlements
(2,178
)
Decreases related to expiration of statute of limitations
(344
)
Year Ended December 31, 2016
11,616

Increases related to tax positions taken during a prior period
503

Decreases related to tax positions taken during the prior period
(1,782
)
Increases related to tax positions taken during the current period
805

Decreases related to settlements
—

Decreases related to expiration of statute of limitations
(401
)
Year Ended December 31, 2017
10,741

Increases related to tax positions taken during a prior period
19

Decreases related to tax positions taken during the prior period
(1,257
)
Increases related to tax positions taken during the current period
870

Decreases related to settlements
—

Decreases related to expiration of statute of limitations
(412
)
Year Ended December 31, 2018
$
9,961