Employee Benefit Plans - Summary of Share-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	$ 86,689	$ 113,970	$ 133,779
Continuing operations
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	85,122	101,400	122,766
Continuing operations \| Cost of goods sold
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	6,646	8,334	7,787
Continuing operations \| Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	52,127	74,809	88,897
Continuing operations \| Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	26,349	18,257	26,082
Discontinued operations
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	1,567	12,570	11,013
Discontinued operations \| Cost of goods sold
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	(11)	187	129
Discontinued operations \| Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	1,458	11,633	9,895
Discontinued operations \| Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total share-based compensation	$ 120	$ 750	$ 989