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Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 30, 2023 | Nov. 30, 2022 | Nov. 30, 2023 | Nov. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | $ 1,239 | $ 1,272 | $ 7,737 | $ 2,626
MAP 2025 |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 1,239 |  | 7,737 |
Cumulative Costs to Date |  | 19,397 |  | 19,397 |
Total Expected Costs |  | 51,243 |  | 51,243 |
MAP 2025 | Severance and benefit costs (credits) |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 1,117 |  | 3,016 |
Cumulative Costs to Date |  | 11,518 |  | 11,518 |
Total Expected Costs |  | 22,261 |  | 22,261 |
MAP 2025 | Facility Closure and Other Related Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 122 |  | 166 |
Cumulative Costs to Date |  | 787 |  | 787 |
Total Expected Costs |  | 21,890 |  | 21,890 |
MAP 2025 | Other Restructuring Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 0 |  | 4,555 |
Cumulative Costs to Date |  | 7,092 |  | 7,092 |
Total Expected Costs |  | 7,092 |  | 7,092 |
MAP 2025 | Construction Products Segment |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 387 |  | 802 |
Cumulative Costs to Date |  | 6,894 |  | 6,894 |
Total Expected Costs |  | 32,414 |  | 32,414 |
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits) |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 387 |  | 802 |
Cumulative Costs to Date |  | 6,894 |  | 6,894 |
Total Expected Costs |  | 17,110 |  | 17,110 |
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 0 |  | 0 |
Cumulative Costs to Date |  | 0 |  | 0 |
Total Expected Costs |  | 15,304 |  | 15,304 |
MAP 2025 | Performance Coatings Segment |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 306 |  | 5,722 |
Cumulative Costs to Date |  | 9,407 |  | 9,407 |
Total Expected Costs |  | 10,584 |  | 10,584 |
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits) |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 213 |  | 1,044 |
Cumulative Costs to Date |  | 2,192 |  | 2,192 |
Total Expected Costs |  | 2,369 |  | 2,369 |
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 93 |  | 123 |
Cumulative Costs to Date |  | 123 |  | 123 |
Total Expected Costs |  | 1,123 |  | 1,123 |
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges | [1] | 0 |  | 4,555 |
Cumulative Costs to Date | [1] | 7,092 |  | 7,092 |
Total Expected Costs | [1] | 7,092 |  | 7,092 |
MAP 2025 | Consumer Segment |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 35 |  | 49 |
Cumulative Costs to Date |  | 1,177 |  | 1,177 |
Total Expected Costs |  | 1,177 |  | 1,177 |
MAP 2025 | Consumer Segment | Severance and benefit costs (credits) |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 35 |  | 35 |
Cumulative Costs to Date |  | 542 |  | 542 |
Total Expected Costs |  | 542 |  | 542 |
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 0 |  | 14 |
Cumulative Costs to Date |  | 635 |  | 635 |
Total Expected Costs |  | 635 |  | 635 |
MAP 2025 | Specialty Products Group Segment |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 511 |  | 1,164 |
Cumulative Costs to Date |  | 1,969 |  | 1,969 |
Total Expected Costs |  | 7,118 |  | 7,118 |
MAP 2025 | Specialty Products Group Segment | Severance and benefit costs (credits) |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 482 |  | 1,135 |
Cumulative Costs to Date |  | 1,940 |  | 1,940 |
Total Expected Costs |  | 2,290 |  | 2,290 |
MAP 2025 | Specialty Products Group Segment | Facility Closure and Other Related Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 29 |  | 29 |
Cumulative Costs to Date |  | 29 |  | 29 |
Total Expected Costs |  | 4,828 |  | 4,828 |
MAP 2025 | Corporate/Other Segment |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 0 |  | 0 |
Cumulative Costs to Date |  | (50) |  | (50) |
Total Expected Costs |  | (50) |  | (50) |
MAP 2025 | Corporate/Other Segment | Severance and benefit costs (credits) |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Current Year Charges |  | 0 |  | 0 |
Cumulative Costs to Date |  | (50) |  | (50) |
Total Expected Costs |  | $ (50) |  | $ (50) |
[1] | Of the $4.6 million of other restructuring costs incurred for the six-month period ending November 30, 2023, $3.3 million is associated with the impairment of an indefinite-lived tradename described above.

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