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Income Taxes - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 01, 2018 | Dec. 31, 2017 | Apr. 02, 2017 | Dec. 31, 2017
Income Taxes [Line Items] |  |  |  |
Effective tax rate | 9.20% |  | 7.40% |
U.S. statutory federal tax rate | 21.00% |  |  | 35.00%
Discrete tax benefits | $ 8,300 |  | $ 7,000 |
Discrete tax benefits, stock based compensation | 7,600 |  | 5,500 |
Discrete tax expense | 2,300 |  |  |
Expense related to remeasurement of deferred tax assets | 1,700 |  |  |
Discrete tax expenses, Other | 600 |  |  |
Discrete tax benefits, Other | 700 |  | 800 |
Discrete tax benefits, U.S. research and development tax credits |  |  | 700 |
Uncertain tax positions | 37,300 | $ 36,300 |  | $ 36,300
Net Increase in uncertain tax positions | 1,000 |  |  |
Accrued interest and penalties | 300 | 300 |  | $ 300
Interest and penalties related to income tax, expense (benefit) | 30 |  | (100) |
Tax savings due to the tax holiday | $ 3,000 |  | $ 4,700 |
Tax savings due to the tax holiday, per share | $ 0.01 |  | $ 0.02 |
Tax holiday expiration date | December 31, 2020 |  |  |
Provisional amount of additional income tax expense |  | 186,000 |  |
Transition tax on mandatory deemed repatriation of foreign earnings |  | 161,000 |  |
Expense related to remeasurement of deferred tax assets and liabilities |  | 33,600 |  |
Benefit associated with impact of correlative adjustments on tax positions |  | 10,300 |  |
Expense related to remeasurement of certain deferred |  | $ 1,700 |  |
ASU 2016-09 |  |  |  |
Income Taxes [Line Items] |  |  |  |
Discrete tax benefits, stock based compensation | $ 7,400 |  | $ 5,200 |

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research and development tax credit. + References No definition available. + Details
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- Definition Amount of income tax expense from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible equity-based compensation costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income exempt from income tax because of a tax holiday. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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