Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 29, 2018	Dec. 30, 2017	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
(Benefit from) provision for income taxes	$ 12,374	$ 56,560	$ 19,593	$ 19,580	$ 36,457
2017 Tax act provisional one-time transition tax on accumulated unrepatriated foreign earnings	$ 741			$ 741
Effective income tax rate	15.00%		30.50%	9.80%	26.60%
Benefit on closure of subsidiary				$ (1,859)	$ (11,633)
Tax shortfall on share-based awards				(24,632)
Favorable tax return adjustments				3,697
Reversal of tax reserves				$ 3,811	$ 2,255

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

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Amount 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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Amount of reasonable estimate for tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act for which accounting for tax effect is incomplete.

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