Business Organization and Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)	12 Months Ended
Feb. 03, 2018
Minimum
Cash and Cash Equivalents [Line Items]
Threshold period for third-party credit and debit transactions	3 days
Maximum
Cash and Cash Equivalents [Line Items]
Threshold period for third-party credit and debit transactions	5 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_CashAndCashEquivalentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration