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Aquisitions and Divestitures Acquisitions and Divestitures - Business Combinations Results of of Operations of Acquiree (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		1 Months Ended
	Aug. 30, 2014	Aug. 31, 2013	Aug. 30, 2014 Design Within Reach	Aug. 30, 2014 Intercompany Segment Eliminations Design Within Reach
Business Acquisition
Net sales	$ 509.7	$ 468.1	$ 21.6	$ (1.6)
Net sales impact to Herman Miller, Inc.			20.0
Net loss			$ (1.6)

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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-Publisher FASB

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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