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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Components of Income Before Provision for Income Taxes | The components of income before provision for income taxes are as follows (in thousands):
| Year ended December 31, 2016 |  | Year ended January 2, 2016 |  | Year ended January 3, 2015
United States | $ | 320,702 |  |  | $ | 87,762 |  |  | $ | 69,282 |
Foreign | 97,639 |  |  | 28,583 |  |  | 32,759 |
Total | $ | 418,341 |  |  | $ | 116,345 |  |  | $ | 102,041 |
Current and Deferred Provision (Benefit) for Income Taxes | The following table presents the current and deferred provision (benefit) for income taxes (in thousands):
| Year ended December 31, 2016 |  | Year ended January 2, 2016 |  | Year ended January 3, 2015
Current: |  |  |  |  |
Federal | $ | 99,533 |  |  | $ | 31,983 |  |  | $ | 22,553 |
State | 6,922 |  |  | 2,388 |  |  | 2,736 |
Foreign | 5,815 |  |  | 2,448 |  |  | 2,709 |
| 112,270 |  |  | 36,819 |  |  | 27,998 |
Deferred: |  |  |  |  |
Federal | 2,982 |  |  | (900 | ) |  | 342 |
State | 2,331 |  |  | (1,206 | ) |  | (811 | )
Foreign | 92 |  |  | 132 |  |  | 149 |
| 5,405 |  |  | (1,974 | ) |  | (320 | )
Total | $ | 117,675 |  |  | $ | 34,845 |  |  | $ | 27,678 |
Reconciliation of U.S. Federal Statutory Tax Rate to Company's Effective Tax Rate | The reconciliation of the U.S. federal statutory tax rate to the Company’s effective tax rate is as follows:
| Year ended December 31, 2016 |  | Year ended January 2, 2016 |  | Year ended January 3, 2015
Statutory regular federal income tax rate | 35.0 | % |  | 35.0 | % |  | 35.0 | %
State provision, net of federal benefit | 1.4 |  |  | 0.7 |  |  | 1.2 |
Nondeductible items | 0.8 |  |  | 1.7 |  |  | 1.3 |
Foreign income taxed at different rates | (5.6 | ) |  | (6.3 | ) |  | (8.2 | )
Tax credits | (0.5 | ) |  | (1.7 | ) |  | (1.5 | )
Change in federal valuation allowance | — |  |  | 0.4 |  |  | (0.1 | )
Excess stock based compensation | (3.0 | ) |  | — |  |  | — |
Other | — |  |  | 0.2 |  |  | (0.6 | )
Total | 28.1 | % |  | 30.0 | % |  | 27.1 | %
Components of Deferred Tax Assets | The components of the deferred tax assets are as follows (in thousands):
| December 31, 2016 |  | January 2, 2016
Deferred tax assets: |  |  |
Tax credits | $ | 802 |  |  | $ | 4,683 |
Deferred revenue | 5,393 |  |  | 3,994 |
Accrued liabilities | 16,244 |  |  | 20,817 |
Share-based compensation | 18,680 |  |  | 20,688 |
Other | 1,902 |  |  | 2,416 |
Total | 43,021 |  |  | 52,598 |
Valuation allowance | — |  |  | (4,196 | )
Total deferred tax assets | 43,021 |  |  | 48,402 |
Deferred tax liabilities: |  |  |
Property and equipment | (2,691 | ) |  | — |
State taxes and other | (1,695 | ) |  | (4,276 | )
Total deferred tax liabilities | (4,386 | ) |  | (4,276 | )
Net deferred tax assets | $ | 38,635 |  |  | $ | 44,126 |
Reconciliation of Total Amounts of Unrecognized Tax Benefits | The following is a tabular reconciliation of the total amounts of unrecognized tax benefits (in thousands):
| Year ended December 31, 2016 |  | Year ended January 2, 2016
Unrecognized tax benefits (gross), beginning of period | $ | 8,875 |  |  | $ | 8,024 |
Amounts related to Cercacor from prior year | (277 | ) |  | — |
Increase from tax positions in prior period | 143 |  |  | 131 |
Increase from tax positions in current period | 6,437 |  |  | 1,616 |
Settlements | (296 | ) |  | — |
Lapse of statute of limitations | (388 | ) |  | (896 | )
Unrecognized tax benefits (gross), end of period | $ | 14,494 |  |  | $ | 8,875 |

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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=65882285&loc=d3e32639-109319 + Details
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