Income Taxes - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Dec. 30, 2018
Income Tax [Line Items]
Effective income tax rate	27.00%	44.60%
Effective income tax rate with noncontrolling interest	32.80%	42.00%
Uncertain tax positions	$ 3,200,000		$ 3,100,000
Uncertain tax positions that would affect tax rate	3,200,000		$ 3,100,000
Change in uncertain tax positions, expected material impact on consolidated condensed financial statements	$ 0
Earliest Tax Year [Member] | Internal Revenue Service (IRS) [Member]
Income Tax [Line Items]
Tax year open for examination	2002
Earliest Tax Year [Member] | State and Local Jurisdiction [Member]
Income Tax [Line Items]
Tax year open for examination	1998