Income Taxes - Narrative (Detail) - USD ($)	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Income Tax [Line Items]
Effective income tax rate	24.20%	24.30%
Minimum
Income Tax [Line Items]
Decrease in unrecognized tax benefits	$ 0
Increase in unrecognized tax benefits	0
Maximum
Income Tax [Line Items]
Decrease in unrecognized tax benefits	2,500,000
Increase in unrecognized tax benefits	$ 900,000