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Commitments and Contingencies (Details) - USD ($) $ in Millions		12 Months Ended
	Feb. 02, 2018	Feb. 02, 2018	Jan. 27, 2017	Jan. 29, 2016
Gain Contingencies
Litigation Settlement, Amount Awarded from Other Party	$ 7.5	$ 1.0	$ 2.4	$ 0.9

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- 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.

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No definition available.

+ Details

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- Definition

Amount awarded from other party in judgment or settlement of litigation.

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No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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