v3.25.2
Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Detail) - USD ($)
$ in Thousands
 12 Months Ended
May 31, 2025
May 31, 2024
May 31, 2023
Restructuring Cost and Reserve [Line Items]      
Current Year Charges $ 24,979 $ 30,008 $ 15,465
MAP 2025      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 24,979 30,008 11,660
Cumulative Costs to Date 66,647    
Total Expected Costs 86,755    
MAP 2025 | Severance and benefit costs (credits)      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 17,693 23,982 8,502
Cumulative Costs to Date 50,177    
Total Expected Costs 60,444    
MAP 2025 | Facility Closure and Other Related Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 6,754 1,471 621
Cumulative Costs to Date 8,846    
Total Expected Costs 18,687    
MAP 2025 | Other Restructuring Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 532 4,555 2,537
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 5,847 9,719 6,092
Cumulative Costs to Date 21,658    
Total Expected Costs 33,123    
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits)      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 4,147 9,111 6,092
Cumulative Costs to Date 19,350    
Total Expected Costs 24,331    
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 1,700 608 0
Cumulative Costs to Date 2,308    
Total Expected Costs 8,792    
MAP 2025 | Performance Coatings Segment      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 3,137 7,438 3,685
Cumulative Costs to Date 14,260    
Total Expected Costs 16,412    
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits)      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 2,885 2,711 1,148
Cumulative Costs to Date 6,744    
Total Expected Costs 7,363    
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 252 172 0
Cumulative Costs to Date 424    
Total Expected Costs 1,957    
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges [1] 0 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 10,704 9,422 1,128
Cumulative Costs to Date 21,254    
Total Expected Costs 24,334    
MAP 2025 | Consumer Segment | Severance and benefit costs (credits)      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 8,451 9,266 507
Cumulative Costs to Date 18,224    
Total Expected Costs 20,270    
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 2,253 156 621
Cumulative Costs to Date 3,030    
Total Expected Costs 4,064    
MAP 2025 | SPG Segments      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 5,291 3,429 805
Cumulative Costs to Date 9,525    
Total Expected Costs 12,936    
MAP 2025 | SPG Segments | Severance and benefit costs (credits)      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 2,210 2,894 805
Cumulative Costs to Date 5,909    
Total Expected Costs 8,530    
MAP 2025 | SPG Segments | Facility Closure and Other Related Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 2,549 535 0
Cumulative Costs to Date 3,084    
Total Expected Costs 3,874    
MAP 2025 | SPG Segments | Other Restructuring Costs      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 532 0 0
Cumulative Costs to Date 532    
Total Expected Costs 532    
MAP 2025 | Corporate/Other Segment      
Restructuring Cost and Reserve [Line Items]      
Current Year Charges 0 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 $ 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.