Revenue - Net Revenue Based on Destination of Shipment (Details) - USD ($) $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Disaggregation of Revenue [Line Items]
Net revenue	$ 693,641	$ 662,452
China
Disaggregation of Revenue [Line Items]
Net revenue	$ 280,146	$ 246,134
China | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
% of Total	40.00%	37.00%
United States
Disaggregation of Revenue [Line Items]
Net revenue	$ 81,232	$ 73,005
United States | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
% of Total	12.00%	11.00%
Thailand
Disaggregation of Revenue [Line Items]
Net revenue	$ 67,544	$ 46,666
Thailand | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
% of Total	10.00%	7.00%
Malaysia
Disaggregation of Revenue [Line Items]
Net revenue	$ 64,668	$ 63,320
Malaysia | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
% of Total	9.00%	10.00%
Singapore
Disaggregation of Revenue [Line Items]
Net revenue	$ 38,706	$ 11,625
Singapore | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
% of Total	6.00%	2.00%
Philippines
Disaggregation of Revenue [Line Items]
Net revenue	$ 24,574	$ 62,488
Philippines | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
% of Total	4.00%	9.00%
Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 136,771	$ 159,214
Other | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
% of Total	19.00%	24.00%