Income Taxes - Reconciliation of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Assets:
Inventories	$ 9,545	$ 9,006
Accounts receivable	10,695	11,052
Operating lease liability	7,273
Accrued expenses	1,974	1,792
Foreign tax credits	844	1,050
Total deferred tax assets	30,331	22,900
Valuation allowance	(844)	(1,050)
Net deferred tax assets	29,487	21,850
Liabilities:
Depreciation	10,296	9,094
Goodwill and intangible assets	11,742	11,310
Operating lease right of use asset	6,656
Other	416	12
Gross deferred tax liabilities	29,110	20,416
Net deferred tax assets	$ 377	$ 1,434