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Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Aug. 31, 2025 | Aug. 31, 2024
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | $ 8,814 | $ 7,202
MAP 2025 |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 8,814 | 7,202
Cumulative Costs to Date | 75,461 |
Total Expected Costs | 89,317 |
MAP 2025 | Severance and benefit costs (credits) |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 7,076 | 6,459
Cumulative Costs to Date | 57,253 |
Total Expected Costs | 63,668 |
MAP 2025 | Facility Closure and Other Related Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 1,738 | 743
Cumulative Costs to Date | 10,584 |
Total Expected Costs | 18,025 |
MAP 2025 | Other Restructuring Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 0 | 0
Cumulative Costs to Date | 7,624 |
Total Expected Costs | 7,624 |
MAP 2025 | Construction Products Segment |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 2,596 | 1,266
Cumulative Costs to Date | 24,692 |
Total Expected Costs | 34,548 |
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits) |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 1,941 | 890
Cumulative Costs to Date | 21,659 |
Total Expected Costs | 26,757 |
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 655 | 376
Cumulative Costs to Date | 3,033 |
Total Expected Costs | 7,791 |
MAP 2025 | Performance Coatings Segment |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 3,943 | 823
Cumulative Costs to Date | 24,365 |
Total Expected Costs | 25,531 |
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits) |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 3,307 | 482
Cumulative Costs to Date | 13,645 |
Total Expected Costs | 13,837 |
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 636 | 341
Cumulative Costs to Date | 3,628 |
Total Expected Costs | 4,602 |
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 0 | 0
Cumulative Costs to Date | 7,092 |
Total Expected Costs | 7,092 |
MAP 2025 | Consumer Segment |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 2,275 | 5,113
Cumulative Costs to Date | 26,454 |
Total Expected Costs | 29,288 |
MAP 2025 | Consumer Segment | Severance and benefit costs (credits) |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 1,828 | 5,087
Cumulative Costs to Date | 21,999 |
Total Expected Costs | 23,124 |
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 447 | 26
Cumulative Costs to Date | 3,923 |
Total Expected Costs | 5,632 |
MAP 2025 | Consumer Segment | Other Restructuring Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 0 | 0
Cumulative Costs to Date | 532 |
Total Expected Costs | 532 |
MAP 2025 | Corporate/Other |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 0 | 0
Cumulative Costs to Date | (50) |
Total Expected Costs | (50) |
MAP 2025 | Corporate/Other | Severance and benefit costs (credits) |  |
Restructuring Cost and Reserve [Line Items] |  |
Current Year Charges | 0 | $ 0
Cumulative Costs to Date | (50) |
Total Expected Costs | $ (50) |

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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 S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 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 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 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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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: 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 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 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 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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