Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Income Tax [Line Items]
Effective income tax rate		(63.20%)	38.90%	34.40%
Effective income tax rate with noncontrolling interest		(70.30%)	41.80%	36.60%
Federal corporate tax rate		35.00%	35.00%	35.00%
Tax Cuts and Jobs Act of 2017, estimated impact one-time benefit within income tax expense (benefit)		$ 69,000,000
Tax Cuts and Jobs Act of 2017, benefit partially offset and increase to valuation allowance		2,400,000
Tax Cuts and Jobs Act of 2017, change in tax rate income tax benefit net		66,600,000
Uncertain tax positions		2,400,000	$ 2,900,000
Uncertain tax positions that would affect tax rate		2,400,000	2,900,000
Change in uncertain tax positions, expected material impact on consolidated financial statements		0
Valuation allowance for deferred tax assets		$ 4,337,000	$ 1,618,000
Earliest Tax Year [Member] | Internal Revenue Service (IRS) [Member]
Income Tax [Line Items]
Tax year open for examination		2002
State and Local Jurisdiction [Member]
Income Tax [Line Items]
Federal net operating losses		$ 38,800,000
Net operating loss carryforwards expiration ending year		2036
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]
Income Tax [Line Items]
Tax year open for examination		1998
Scenario Forecast [Member]
Income Tax [Line Items]
Federal corporate tax rate	21.00%