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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, 2024 | Nov. 30, 2023 | Nov. 30, 2024 | Nov. 30, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | $ 7,557 | $ 1,239 |  | $ 14,759 | $ 7,737 |
MAP 2025 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 7,557 | 1,239 |  | 14,759 | 7,737 |
Cumulative Costs to Date | 56,427 |  |  | 56,427 |  |
Total Expected Costs | 69,749 |  |  | 69,749 |  |
MAP 2025 | Severance and benefit costs (credits) |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 5,682 | 1,117 |  | 12,141 | 3,016 |
Cumulative Costs to Date | 44,625 |  |  | 44,625 |  |
Total Expected Costs | 49,390 |  |  | 49,390 |  |
MAP 2025 | Facility Closure and Other Related Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 1,875 | 122 |  | 2,618 | 166 |
Cumulative Costs to Date | 4,710 |  |  | 4,710 |  |
Total Expected Costs | 13,267 |  |  | 13,267 |  |
MAP 2025 | Other Restructuring Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 0 | 0 |  | 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 | 1,232 | 387 |  | 2,498 | 802 |
Cumulative Costs to Date | 18,309 |  |  | 18,309 |  |
Total Expected Costs | 26,804 |  |  | 26,804 |  |
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits) |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 938 | 387 |  | 1,828 | 802 |
Cumulative Costs to Date | 17,031 |  |  | 17,031 |  |
Total Expected Costs | 20,306 |  |  | 20,306 |  |
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 294 |  |  | 670 |  |
Cumulative Costs to Date | 1,278 |  |  | 1,278 |  |
Total Expected Costs | 6,498 |  |  | 6,498 |  |
MAP 2025 | Performance Coatings Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 924 | 306 |  | 1,079 | 5,722 |
Cumulative Costs to Date | 12,202 |  |  | 12,202 |  |
Total Expected Costs | 14,076 |  |  | 14,076 |  |
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits) |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 917 | 213 |  | 1,067 | 1,044 |
Cumulative Costs to Date | 4,926 |  |  | 4,926 |  |
Total Expected Costs | 5,491 |  |  | 5,491 |  |
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 7 | 93 |  | 12 | 123 |
Cumulative Costs to Date | 184 |  |  | 184 |  |
Total Expected Costs | 1,493 |  |  | 1,493 |  |
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 0 | 0 | [1] | 0 | 4,555 | [1]
Cumulative Costs to Date | 7,092 |  |  | 7,092 |  |
Total Expected Costs | 7,092 |  |  | 7,092 |  |
MAP 2025 | Consumer Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 3,855 | 35 |  | 7,813 | 49 |
Cumulative Costs to Date | 18,363 |  |  | 18,363 |  |
Total Expected Costs | 20,212 |  |  | 20,212 |  |
MAP 2025 | Consumer Segment | Severance and benefit costs (credits) |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 3,418 | 35 |  | 7,356 | 35 |
Cumulative Costs to Date | 17,129 |  |  | 17,129 |  |
Total Expected Costs | 18,014 |  |  | 18,014 |  |
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 437 |  |  | 457 | 14 |
Cumulative Costs to Date | 1,234 |  |  | 1,234 |  |
Total Expected Costs | 2,198 |  |  | 2,198 |  |
MAP 2025 | Specialty Products Group Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 1,546 | 511 |  | 3,369 | 1,164 |
Cumulative Costs to Date | 7,603 |  |  | 7,603 |  |
Total Expected Costs | 8,707 |  |  | 8,707 |  |
MAP 2025 | Specialty Products Group Segment | Severance and benefit costs (credits) |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 409 | 482 |  | 1,890 | 1,135 |
Cumulative Costs to Date | 5,589 |  |  | 5,589 |  |
Total Expected Costs | 5,629 |  |  | 5,629 |  |
MAP 2025 | Specialty Products Group Segment | Facility Closure and Other Related Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 1,137 | 29 |  | 1,479 | 29 |
Cumulative Costs to Date | 2,014 |  |  | 2,014 |  |
Total Expected Costs | 3,078 |  |  | 3,078 |  |
MAP 2025 | Corporate/Other Segment |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges | 0 | 1,239 |  | 0 | 7,737 |
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 | 1,117 |  | 0 | 3,016 |
Cumulative Costs to Date | (50) |  |  | (50) |  |
Total Expected Costs | $ (50) |  |  | $ (50) |  |
MAP 2025 | Corporate/Other Segment | Facility Closure and Other Related Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges |  | 122 |  |  | 166 |
MAP 2025 | Corporate/Other Segment | Other Restructuring Costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Current Year Charges |  | $ 0 |  |  | $ 4,555 |
[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 as described above.

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