Acquisitions and Divestitures	12 Months Ended
Jun. 01, 2019
Business Combinations [Abstract]
Acquisitions and Divestitures	Acquisitions and Divestitures Contract Furniture Dealerships On July 31, 2017, the Company completed the sale of a wholly-owned contract furniture dealership in Vancouver, Canada for initial cash consideration of $2.0 million. A pre-tax gain of $1.1 million was recognized as a result of the sale within the caption Selling, general and administrative within the Consolidated Statements of Comprehensive Income. On January 1, 2017, the Company completed the sale of a wholly-owned contract furniture dealership in Pennsylvania in exchange for a $3.0 million note receivable. A pre-tax gain of $0.7 million was recognized as a result of the sale within the caption Selling, general and administrative within the Consolidated Statements of Comprehensive Income. The full balance of the note receivable was paid in the fourth quarter of fiscal 2019. Maars Holding B.V. On August 31, 2018, Herman Miller Holdings Limited, a wholly owned subsidiary of the Company, acquired 48.2% of the outstanding equity of Global Holdings Netherlands B.V., which owns 100% of Maars Holding B.V. ("Maars”), a Harderwijk, Netherlands-based worldwide leader in the design and manufacturing of interior wall solutions. The Company acquired its 48.2% ownership interest in Maars for approximately $6.1 million in cash. The entity is accounted for using the equity method of accounting as the Company has significant influence, but not control, over the entity. For the Maars equity method investment, the fair values assigned to the assets acquired were based on best estimates and assumptions as of the reporting date and the valuation analysis was completed in the fourth quarter of fiscal 2019 with no differences noted from the preliminary valuation. Nine United Denmark A/S On June 7, 2018, Herman Miller Holdings Limited, a wholly owned subsidiary of the Company, acquired 33% of the outstanding equity of Nine United Denmark A/S, d/b/a HAY and subsequently renamed to HAY A/S ("HAY”), a Copenhagen, Denmark-based, design leader in furniture and ancillary furnishings for residential and contract markets in Europe and Asia. The Company acquired its 33% ownership interest in HAY for approximately $65.5 million in cash. The entity is accounted for using the equity method of accounting as the Company has significant influence, but not control, over the entity. The Company also acquired the rights to the HAY brand in North America under a long-term license agreement for approximately $4.8 million million in cash. This licensing agreement is recorded as an amortizing intangible asset and is being amortized over its 15-year useful life. This asset is recorded within Other amortizable intangibles, net within the Condensed Consolidated Balance Sheets. For the Hay equity method investment, the fair values assigned to the assets acquired were based on best estimates and assumptions as of the reporting date and the valuation analysis was completed in the third quarter of fiscal 2019 with no differences noted from the preliminary valuation. The Company is a party to options, that if exercised, would require the Company to purchase an additional 33% of the equity in HAY at fair market value. These options may be exercised during a period commencing from the third quarter of fiscal 2020 and annually thereafter.

Acquisitions and Divestitures

Contract Furniture Dealerships

On July 31, 2017, the Company completed the sale of a wholly-owned contract furniture dealership in Vancouver, Canada for initial cash consideration of $2.0 million. A pre-tax gain of $1.1 million was recognized as a result of the sale within the caption Selling, general and administrative within the Consolidated Statements of Comprehensive Income.

On January 1, 2017, the Company completed the sale of a wholly-owned contract furniture dealership in Pennsylvania in exchange for a $3.0 million note receivable. A pre-tax gain of $0.7 million was recognized as a result of the sale within the caption Selling, general and administrative within the Consolidated Statements of Comprehensive Income. The full balance of the note receivable was paid in the fourth quarter of fiscal 2019.

Maars Holding B.V.

On August 31, 2018, Herman Miller Holdings Limited, a wholly owned subsidiary of the Company, acquired 48.2% of the outstanding equity of Global Holdings Netherlands B.V., which owns 100% of Maars Holding B.V. ("Maars”), a Harderwijk, Netherlands-based worldwide leader in the design and manufacturing of interior wall solutions. The Company acquired its 48.2% ownership interest in Maars for approximately $6.1 million in cash. The entity is accounted for using the equity method of accounting as the Company has significant influence, but not control, over the entity.

For the Maars equity method investment, the fair values assigned to the assets acquired were based on best estimates and assumptions as of the reporting date and the valuation analysis was completed in the fourth quarter of fiscal 2019 with no differences noted from the preliminary valuation.

Nine United Denmark A/S

On June 7, 2018, Herman Miller Holdings Limited, a wholly owned subsidiary of the Company, acquired 33% of the outstanding equity of Nine United Denmark A/S, d/b/a HAY and subsequently renamed to HAY A/S ("HAY”), a Copenhagen, Denmark-based, design leader in furniture and ancillary furnishings for residential and contract markets in Europe and Asia. The Company acquired its 33% ownership interest in HAY for approximately $65.5 million in cash. The entity is accounted for using the equity method of accounting as the Company has significant influence, but not control, over the entity.

The Company also acquired the rights to the HAY brand in North America under a long-term license agreement for approximately $4.8 million million in cash. This licensing agreement is recorded as an amortizing intangible asset and is being amortized over its 15-year useful life. This asset is recorded within Other amortizable intangibles, net within the Condensed Consolidated Balance Sheets.

For the Hay equity method investment, the fair values assigned to the assets acquired were based on best estimates and assumptions as of the reporting date and the valuation analysis was completed in the third quarter of fiscal 2019 with no differences noted from the preliminary valuation.

The Company is a party to options, that if exercised, would require the Company to purchase an additional 33% of the equity in HAY at fair market value. These options may be exercised during a period commencing from the third quarter of fiscal 2020 and annually thereafter.