Description of Business and Significant Accounting Policies - Property and Equipment (Details)	12 Months Ended
Feb. 03, 2018
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	5 years
Leasehold improvements \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	5 years
Leasehold improvements \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	10 years

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration