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Fair Value (Details) £ in Millions |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 02, 2019 | Aug. 31, 2019 USD ($) | Jun. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Jun. 01, 2019 USD ($) | May 29, 2021 USD ($) | May 30, 2020 USD ($) | Jun. 01, 2019 USD ($) | May 29, 2021 GBP (£) | May 30, 2020 GBP (£) | Jun. 07, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Derivative liability notional amount |  |  |  |  |  | $ 61,900,000 | $ 52,600,000 |  |  |  |
Derivative asset notional amount | £ |  |  |  |  |  |  |  |  | £ 44.5 | £ 27.5 |
Interest rate swap |  |  |  |  |  |  |  | $ (12,800,000) |  |  |
Gain (loss) recognized for hedge ineffectiveness |  |  |  |  |  | 0 | 0 | 0 |  |  |
Pre-tax gain (loss) expected to be reclassified |  |  |  |  |  | (4,500,000) |  |  |  |  |
Gain (loss) expected to be reclassified |  |  |  |  |  | (3,400,000) |  |  |  |  |
Gain on fair value adjustments |  |  |  |  | $ 2,100,000 | 0 | 0 | 2,100,000 |  |  |
Carrying value of investments |  |  |  |  | 3,600,000 |  |  | 3,600,000 |  |  |
Redeemable noncontrolling interests |  |  |  |  |  | $ 77,000,000.0 | 50,400,000 |  |  |  |
Remaining equity that can be purchased (percent) |  |  |  |  |  | 33.00% |  |  |  |  |
Impairment charges |  |  |  |  |  |  | 53,300,000 |  |  |  |
Interest Rate Swap Agreement |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Interest rate swap |  |  |  |  |  | $ 12,600,000 | (17,200,000) |  |  |  |
Unrealized holding (losses) gains on securities |  |  |  |  |  |  |  | (12,800,000) |  |  |
Herman Miller Consumer Holdings |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Redeemable noncontrolling interests |  |  |  |  | 20,600,000 | $ 0 | 0 | 20,600,000 |  |  |
Cash paid for redemptions |  | $ 20,400,000 |  |  |  |  |  | 10,100,000 |  |  |
Herman Miller Consumer Holdings |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Redeemable noncontrolling interests |  |  |  |  | $ 20,600,000 |  |  | $ 20,600,000 |  |  |
Minority ownership (percent) |  |  |  |  | 5.00% |  |  | 5.00% |  |  |
Foreign Exchange Forward | Not Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Derivative term |  |  |  |  |  | 30 days |  |  |  |  |
Interest rate swap agreement |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Derivative asset notional amount |  |  | $ 75,000,000.0 | $ 150,000,000.0 |  |  |  |  |  |  |
Debt conversion, fixed rate (percent) |  |  | 238.70% | 1.949% |  |  |  |  |  |  |
Interest rate swap agreement | Other Liabilities | Quoted Prices with Other Observable Inputs (Level 2) | Fair Value, Recurring [Member] |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Interest rate swap agreement |  |  |  |  |  |  | 25,000,000.0 |  |  |  |
Interest rate swap agreement - liability |  |  |  |  |  | $ 14,400,000 | 25,000,000.0 |  |  |  |
Relief from Royalty Approach | Minimum | Discount Rate |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Measurement inputs (percent) |  |  |  |  |  | 12.00% |  |  |  |  |
Relief from Royalty Approach | Minimum | Royalty Rate |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Measurement inputs (percent) |  |  |  |  |  | 2.00% |  |  |  |  |
Relief from Royalty Approach | Maximum | Discount Rate |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Measurement inputs (percent) |  |  |  |  |  | 14.00% |  |  |  |  |
Impairment charges |  |  |  |  |  |  | $ 53,300,000 |  |  |  |
Relief from Royalty Approach | Maximum | Royalty Rate |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Measurement inputs (percent) |  |  |  |  |  | 3.00% |  |  |  |  |
HAY A/S |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |  |  |  |
Outstanding equity interest acquired (percent) | 34.00% |  |  |  |  |  |  |  |  |  | 33.00%
Ownership interest (percent) | 67.00% |  |  |  |  |  |  |  |  |  |

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