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Income Taxes - Narrative (Detail) - USD ($) | 6 Months Ended
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Jun. 27, 2020 | Jun. 29, 2019
Income Tax [Line Items] |  |
Effective income tax rate | 24.20% | 23.90%
Minimum |  |
Income Tax [Line Items] |  |
Decrease in unrecognized tax benefits | $ 0 |
Increase in unrecognized tax benefits | 0 |
Maximum |  |
Income Tax [Line Items] |  |
Decrease in unrecognized tax benefits | 2,500,000 |
Increase in unrecognized tax benefits | $ 900,000 |

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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