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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Income Tax Disclosure [Abstract]
Effective income tax rate	21.80%	15.00%	23.00%	9.80%
Effective state income tax expenses			$ 2,257
Tax expense related to foreign jurisdictions			3,242
Tax expense related to global intangible low taxed income			2,998
Reversal of tax reserves			1,375	$ 3,811
Tax expense (benefit) related to foreign derived intangible income			(4,200)
Tax shortfall on share-based awards				(24,632)
Favorable tax return adjustments				3,697
Benefit on closure of subsidiary			$ (746)	$ (1,859)

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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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 the disposition of a business not qualifying as a discontinued operation.

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