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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2019
Income Tax Disclosure [Abstract] |
Geographical Breakdown of Income (Loss) before the Provision for Income Taxes | The following is a geographical breakdown of income (loss) before the provision for income taxes:
| Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (In thousands) |  |  |  |  |
Domestic | $ | 81,641 |  |  | $ | 46,528 |  |  | $ | 25,280 |
Foreign | (7,708) |  |  | (10,912) |  |  | (20,768) |
Income (loss) before provision for income taxes | $ | 73,933 |  |  | $ | 35,616 |  |  | $ | 4,512 |
Provision For (Benefit From) Income Taxes | The provision for (benefit from) income taxes consisted of the following:
| Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (In thousands) |  |  |  |  |
Current: |  |  |  |  |
Federal | $ | 8,006 |  |  | $ | 1,404 |  |  | $ | 2,430 |
State | 4,549 |  |  | 1,832 |  |  | 1,852 |
Foreign | 1,240 |  |  | 768 |  |  | 745 |
Total current income taxes | 13,795 |  |  | 4,004 |  |  | 5,027 |
Deferred: |  |  |  |  |
Federal | (1,292) |  |  | 5,455 |  |  | (19,822) |
State | (1,609) |  |  | (909) |  |  | (3,430) |
Foreign | 1,701 |  |  | (10,663) |  |  | (7,781) |
Total deferred income taxes | (1,200) |  |  | (6,117) |  |  | (31,033) |
Total provision for (benefit from) income taxes | $ | 12,595 |  |  | $ | (2,113) |  |  | $ | (26,006) |
Difference between the Provision For (Benefit From) Income Taxes Compared to Income Taxes Computed at the Statutory Federal Tax Rate | 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, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (In thousands) |  |  |  |  |
U.S. federal tax provision at statutory rate | $ | 15,525 |  |  | $ | 7,479 |  |  | $ | 1,579 |
State taxes | 2,258 |  |  | 651 |  |  | 224 |
Non-deductible expenses | 2,898 |  |  | 1,424 |  |  | 1,373 |
Uncertain tax positions | (2,472) |  |  | (412) |  |  | (295) |
Share-based compensation tax benefit | (7,892) |  |  | (4,005) |  |  | (5,887) |
Research tax credits | (3,805) |  |  | (3,230) |  |  | (3,233) |
Domestic production deduction | — |  |  | — |  |  | (621) |
Restructuring impact | 7,432 |  |  | (4,205) |  |  | — |
Foreign derived intangible income deduction | (449) |  |  | (349) |  |  | — |
Foreign rate differential | (1,424) |  |  | 561 |  |  | 938 |
One-time impact of the Tax Act | — |  |  | — |  |  | (20,005) |
Other | 524 |  |  | (27) |  |  | (79) |
Total provision for (benefit from) income taxes | $ | 12,595 |  |  | $ | (2,113) |  |  | $ | (26,006) |
Significant Components of Deferred Tax Assets (Liabilities) | Significant components of the Company’s deferred tax assets (liabilities) were as follows:
| December 31, |  |
| 2019 |  | 2018
| (In thousands) |  |
Deferred tax assets (liabilities): |  |  |
Deferred revenues | $ | 4,129 |  |  | $ | 2,943 |
Share-based compensation | 6,483 |  |  | 5,531 |
Inventory related items | 3,507 |  |  | 2,874 |
Tax credit carryforwards | 13,472 |  |  | 7,413 |
Reserves and accruals | 5,712 |  |  | 5,983 |
Loss carryforwards | 9,484 |  |  | 17,515 |
Lease liability | 15,471 |  |  | — |
Other, net | 543 |  |  | 81 |
Gross deferred tax assets | 58,801 |  |  | 42,340 |
Valuation allowance | (1,186) |  |  | (1,256) |
Total net deferred tax assets | 57,615 |  |  | 41,084 |
Intangibles | (18,941) |  |  | (32,304) |
Depreciation and amortization | (35,941) |  |  | (22,504) |
Prepaid expenses | (13,395) |  |  | (12,563) |
Right-of-use assets | (14,286) |  |  | — |
Total deferred tax liabilities | (82,563) |  |  | (67,371) |
Net deferred tax liabilities | $ | (24,948) |  |  | $ | (26,287) |
Change in the Balance of Gross 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, 2019 was as follows:
| (In thousands) |
Balance as of 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) |
Balance as of 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) |
Balance as of December 31, 2018 | 9,961 |
Increases related to tax positions taken during a prior period | 10 |
Decreases related to tax positions taken during the prior period | (6) |
Increases related to tax positions taken during the current period | 9,282 |
Decreases related to settlements | — |
Decreases related to expiration of statute of limitations | (2,472) |
Balance as of December 31, 2019 | $ | 16,775 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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