Income Tax Disclosure [Line Items]

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- Definition

It represents the amount of income tax reconciliation nondeductible expense executive compensation cost.

+ References

No definition available.

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- Definition

Income Tax Reconciliation Section 199 Deductions And Research And Development Credits

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Paragraph 22
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- Definition

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- Definition

The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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- Definition

Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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- Definition

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 tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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Schedule of Income Taxes Calculated on Income from Continuing Operations Before Income Taxes and Provision for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Income Tax Disclosure [Line Items]
Income taxes at federal income tax rate									$ 62,110	$ 68,960	$ 84,281
State income taxes, net of federal income tax benefit									8,876	7,713	5,417
Non-deductible executive compensation										1,012
Meals and entertainment exclusion									644	719	1,021
Share-based payments									(3,093)	(2,138)	(1,549)
Section 199 deductions and R&D credits									(714)	(3,309)	(5,546)
Tax Reform Act											(19,530)
Other, net									237	211	(288)
Income taxes	$ 15,608	$ 16,619	$ 19,042	$ 16,791	$ 16,889	$ 19,304	$ 20,095	$ 16,880	$ 68,060	$ 73,168	$ 63,806