Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Detail)	12 Months Ended
Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State income taxes, net of federal income tax benefit	3.20%	3.70%	4.00%
Non-deductible expenses	1.30%	1.00%	1.60%
Eco partnership income attributable to non-controlling interest	(1.20%)
Florida excess tax refund relating to the Tax Cuts and Jobs Act		(1.00%)
Excess stock-based compensation tax benefits	(2.00%)	(1.40%)	(3.70%)
Research activities credits	(0.80%)	(2.30%)	(1.20%)
Changes related to state rate changes and U.S. tax reform			0.70%
Other	0.20%	(0.10%)	(0.20%)
Consolidated effective tax rate	21.70%	20.90%	22.20%

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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

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Percentage 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 noncontrolling interest income (loss) exempt from income taxes.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage 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 credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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