Income Taxes - Additional Information (Detail) - USD ($)	9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Jan. 01, 2017
Income Tax [Line Items]
Effective income tax rate	34.80%	35.60%
Effective income tax rate with noncontrolling interest	38.80%	39.40%
Uncertain tax positions	$ 1,800,000		$ 2,900,000
Uncertain tax positions that would affect tax rate	1,800,000		$ 2,900,000
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