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v3.20.1

Fair Value Measurements Fair Value Measurements - Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Aug. 31, 2019 | Feb. 29, 2020 | Mar. 02, 2019 | Jun. 01, 2019
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interests |  | $ 71.7 |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  | 5.00%
Payments to Acquire Additional Interest in Subsidiaries |  | 20.3 | $ 10.1 |
Redemption value adjustment | $ 0.0 |  |  |
Redeemable Noncontrolling Interests, Ending |  | 71.7 |  |
Herman Miller Consumer Holdings |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interests | 20.6 | 0.0 | 20.7 | $ 20.6
Payments to Acquire Additional Interest in Subsidiaries |  | 20.4 |  |
Purchase of HMCH redeemable noncontrolling interests |  | (20.4) | (10.1) |
Redeemable Noncontrolling Interests, Beginning | 20.6 | 20.6 | 30.5 |
Redemption value adjustment |  | (0.2) | 0.0 |
Exercised options |  |  | 0.2 |
Net income attributable to redeemable noncontrolling interests |  |  | 0.1 |
Redeemable Noncontrolling Interests, Ending |  | 0.0 | $ 20.7 |
HAY |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |
Redeemable noncontrolling interests | 0.0 | 71.7 |  | $ 0.0
Redeemable Noncontrolling Interests, Beginning | $ 0.0 | 0.0 |  |
Increase due to HAY acquisition |  | 72.1 |  |
Net income attributable to redeemable noncontrolling interests |  | (0.4) |  |
Redeemable Noncontrolling Interests, Ending |  | $ 71.7 |  |

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