Business Segment Data - Narrative (Detail) - major_business_line	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2016
Segment Reporting Information [Line Items]
Number of major business lines	1
Property, Plant and Equipment | Costa Rica
Segment Reporting Information [Line Items]
Percentage of net sales by country	38.00%
Geographic Concentration Risk | Net Sales Goods | Individual Consumers [Member]
Segment Reporting Information [Line Items]
Percentage of net sales by country		11.00%	11.00%
Geographic Concentration Risk | Net Sales Goods | Top Ten Customers
Segment Reporting Information [Line Items]
Percentage of net sales by country	32.00%	31.00%	30.00%
Geographic Concentration Risk | Net Sales Goods | United States
Segment Reporting Information [Line Items]
Percentage of net sales by country	58.00%	55.00%	55.00%