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Restructuring Costs - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2021 | May 31, 2020 | May 28, 2023 | May 29, 2022 | May 30, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Impairment of long-lived assets to be disposed of |  |  |  | $ 0 |
Operating lease, impairment loss |  |  |  |  | $ 1,700,000
Equipment | BreatheWay |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Impairment of long-lived assets to be disposed of | $ 1,900,000 | $ 1,900,000 |  |  |
Santa Maria Office |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Impairment of long-lived assets to be disposed of |  |  |  | 3,700,000 |
Impairment of leasehold |  |  |  | 5,300,000 |
Operating lease, impairment loss |  |  | $ 600,000 | $ 1,600,000 |

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