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Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Parenthetical) (Details) - USD ($) $ in Thousands | 12 Months Ended
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May 31, 2024 | May 31, 2023 | May 31, 2022
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Expense |  | $ 30,008 | $ 15,465 | $ 6,276
Impairment of indefinite-lived assets |  |  | 2,500 |
MAP 2025 |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Expense |  | 30,008 | 11,660 |
MAP 2025 | Other Restructuring Costs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Expense |  | 4,555 | 2,537 |
MAP 2025 | Performance Coatings Segment |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Expense |  | 7,438 | 3,685 |
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring Expense | [1] | 4,555 | 2,537 |
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs | Trade Names |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Impairment of indefinite-lived assets |  | $ 3,300 | $ 2,500 |
[1] | Of the $4.6 million of other restructuring costs incurred during the year ended May 31, 2024, $3.3 million is associated with the impairment of an indefinite-lived tradename. The $2.5 million of other restructuring costs incurred during the year ended May 31, 2023, is associated with the impairment of an indefinite-lived tradename. See Note C, "Goodwill and Other Intangible Assets," of the Consolidated Financial Statements below for further description.

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