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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended
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Mar. 30, 2019 | Mar. 31, 2018
Income Tax Disclosure [Abstract] |  |
Other Tax Expense (Benefit) | $ 3.4 | $ 3.1
Gross unrecognized tax benefit | 15.8 |
Unrecognized tax benefit that would affect effective tax rate | $ 14.6 |

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- Definition Amount of other income tax expense (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 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32672-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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