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Fair Value Measurement - Narrative (Details) $ in Millions | Feb. 02, 2019 USD ($)
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Fair Value Disclosures [Abstract] |
Deferred payment, fair value disclosure | $ 18.5

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- Definition Deferred Payment, Fair Value Disclosure + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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