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Comparative Quarterly Financial Data - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 28, 2018	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2016
Quarterly Financial Information [Line Items]
Increase (Decrease) in Income Taxes		$ 16,507,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		35.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount		$ 15,137,000	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount		$ 1,370,000	$ 0	$ 0
Scenario, Plan [Member]
Quarterly Financial Information [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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-Publisher FASB
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-SubTopic 10
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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 increase (decrease) in the income tax rates.

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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 repatriation of foreign earnings.

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