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Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Detail) - 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] |  |  |  |
Current Year Charges |  | $ 30,008 | $ 15,465 | $ 6,276
MAP 2025 |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 30,008 | 11,660 |
Cumulative Costs to Date |  | 41,668 |  |
Total Expected Costs |  | 81,509 |  |
MAP 2025 | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 23,982 | 8,502 |
Cumulative Costs to Date |  | 32,484 |  |
Total Expected Costs |  | 46,600 |  |
MAP 2025 | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 1,471 | 621 |
Cumulative Costs to Date |  | 2,092 |  |
Total Expected Costs |  | 27,817 |  |
MAP 2025 | Other Restructuring Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 4,555 | 2,537 |
Cumulative Costs to Date |  | 7,092 |  |
Total Expected Costs |  | 7,092 |  |
MAP 2025 | Construction Products Segment |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 9,719 | 6,092 |
Cumulative Costs to Date |  | 15,811 |  |
Total Expected Costs |  | 37,056 |  |
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 9,111 | 6,092 |
Cumulative Costs to Date |  | 15,203 |  |
Total Expected Costs |  | 20,114 |  |
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 608 | 0 |
Cumulative Costs to Date |  | 608 |  |
Total Expected Costs |  | 16,942 |  |
MAP 2025 | Performance Coatings Segment |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 7,438 | 3,685 |
Cumulative Costs to Date |  | 11,123 |  |
Total Expected Costs |  | 12,512 |  |
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 2,711 | 1,148 |
Cumulative Costs to Date |  | 3,859 |  |
Total Expected Costs |  | 4,777 |  |
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 172 | 0 |
Cumulative Costs to Date |  | 172 |  |
Total Expected Costs |  | 643 |  |
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges | [1] | 4,555 | 2,537 |
Cumulative Costs to Date | [1] | 7,092 |  |
Total Expected Costs | [1] | 7,092 |  |
MAP 2025 | Consumer Segment |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 9,422 | 1,128 |
Cumulative Costs to Date |  | 10,550 |  |
Total Expected Costs |  | 20,762 |  |
MAP 2025 | Consumer Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 9,266 | 507 |
Cumulative Costs to Date |  | 9,773 |  |
Total Expected Costs |  | 17,087 |  |
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 156 | 621 |
Cumulative Costs to Date |  | 777 |  |
Total Expected Costs |  | 3,675 |  |
MAP 2025 | SPG Segments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 3,429 | 805 |
Cumulative Costs to Date |  | 4,234 |  |
Total Expected Costs |  | 11,229 |  |
MAP 2025 | SPG Segments | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 2,894 | 805 |
Cumulative Costs to Date |  | 3,699 |  |
Total Expected Costs |  | 4,672 |  |
MAP 2025 | SPG Segments | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 535 | 0 |
Cumulative Costs to Date |  | 535 |  |
Total Expected Costs |  | 6,557 |  |
MAP 2025 | Corporate/Other Segment |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 0 | (50) |
Cumulative Costs to Date |  | (50) |  |
Total Expected Costs |  | (50) |  |
MAP 2025 | Corporate/Other Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Current Year Charges |  | 0 | $ (50) |
Cumulative Costs to Date |  | (50) |  |
Total Expected Costs |  | $ (50) |  |
[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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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 + Details
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