Description of the Business and Summary of Significant Accounting Policies and Practices - Depreciation and Amortization (Details)	12 Months Ended
	Feb. 02, 2019
Purchased intangibles | Minimum
Summary of Significant Accounting Policies
Purchased intangibles, useful life	2 years
Purchased intangibles | Maximum
Summary of Significant Accounting Policies
Purchased intangibles, useful life	20 years
Building and building improvements | Minimum
Summary of Significant Accounting Policies
Property and equipment, useful life	10 years
Building and building improvements | Maximum
Summary of Significant Accounting Policies
Property and equipment, useful life	39 years
Furniture, fixtures and equipment | Minimum
Summary of Significant Accounting Policies
Property and equipment, useful life	2 years
Furniture, fixtures and equipment | Maximum
Summary of Significant Accounting Policies
Property and equipment, useful life	10 years