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Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Parenthetical) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2025 | Feb. 29, 2024 | Aug. 31, 2023 | Feb. 28, 2025 | Feb. 29, 2024
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Current Year Charges | $ 3,456 | $ 6,359 |  |  | $ 18,215 | $ 14,096 |
MAP 2025 |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Current Year Charges | 3,456 | 6,359 |  |  | 18,215 | 14,096 |
MAP 2025 | Other Restructuring Costs |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Current Year Charges | 0 | 0 |  |  | 0 | 4,555 |
MAP 2025 | Performance Coatings Segment |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Current Year Charges | 292 | 581 |  |  | 1,371 | 6,303 |
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Current Year Charges | $ 0 | $ 0 | [1] |  | $ 0 | 4,555 | [1]
MAP 2025 | Performance Coatings Segment | Trade name | Other Restructuring Costs |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Impairment of indefinite-lived assets |  |  |  | $ 3,300 |  | $ 3,300 |
[1] | Of the $4.6 million of other restructuring costs incurred for the nine-month period ending February 29, 2024, $3.3 million is associated with the impairment of an indefinite-lived tradename as described above.

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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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