Income Taxes - Narratve (Detail) - USD ($)	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Income Tax [Line Items]
Effective income tax rate	23.20%	23.40%	24.00%
Additional net tax benefits due to pension contributions and other changes			$ 4,400,000
Valuation allowance	$ 26,700,000	$ 27,800,000	25,100,000
Unrecognized tax benefits	9,100,000	10,300,000	11,100,000	$ 7,700,000
Accrued interest and penalties related to unrecognized tax benefits	1,100,000	1,100,000	800,000
Increase in unrecognized tax benefits	400,000	500,000	2,800,000
Undistributed earnings	319,100,000
Undistributed foreign earnings	5,400,000	$ 6,600,000	$ 6,000,000.0
Deferred Income Tax Assets
Income Tax [Line Items]
Unrecognized tax benefits	1,400,000
Other Long-Term Liabilities
Income Tax [Line Items]
Unrecognized tax benefits	7,700,000
Accrued interest and penalties related to unrecognized tax benefits	1,100,000
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	700,000
Increase in unrecognized tax benefits	$ 800,000