Segment Information - Net Sales Activity by Geographic Region (Details)	3 Months Ended		6 Months Ended
	Jul. 26, 2020	Jul. 28, 2019	Jul. 26, 2020	Jul. 28, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Net sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Net sales | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	80.00%	74.00%	80.00%	76.00%
Net sales | North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	12.00%	16.00%	12.00%	14.00%
Net sales | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	8.00%	10.00%	8.00%	10.00%