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Organization and Basis of Presentation (Legal Settlement) (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Aug. 01, 2018 | Jul. 29, 2018
Loss Contingencies [Line Items] |  |
Litigation settlement | $ 9.0 |
Selling, General and Administrative Expenses [Member] |  |
Loss Contingencies [Line Items] |  |
Litigation settlement |  | $ 6.6

X
- Definition Amount awarded from other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |