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Intangible Assets and Goodwill - Narrative - Indefinite-lived Intangibles Excluding Goodwill, Impairment Test (Details) - Interface	Apr. 30, 2016	May 02, 2015	May 03, 2014
Indefinite-lived Intangible Assets [Line Items]
Percentage by which fair value exceeded carrying value			17.00%
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Percentage by which fair value exceeded carrying value	17.00%	64.00%	117.00%

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- Definition

Intangible Assets, Indefinite-lived (Excluding Goodwill), Impairment Test, Excess of Fair Value over Carrying Value, Percentage

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No definition available.

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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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