XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Risk Management and Derivatives (Narrative) (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 29, 2017 | Jul. 30, 2016 | Jan. 30, 2016
Derivative [Line Items] |  |  |
Derivative, Maturity Date | Aug. 03, 2018 |  |
Forward Contracts [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Maturity Date | Aug. 03, 2018 | Jul. 28, 2017 | Feb. 28, 2018

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the derivative contract matures, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DerivativeMaturityDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForwardContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |