Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Details) - USD ($) $ in Thousands		3 Months Ended
		Aug. 31, 2024	Aug. 31, 2023
Restructuring Cost and Reserve [Line Items]
Current Year Charges		$ 7,202	$ 6,498
MAP 2025
Restructuring Cost and Reserve [Line Items]
Current Year Charges		7,202	6,498
Cumulative Costs to Date		48,870
Total Expected Costs		70,648
MAP 2025 | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		6,459	1,899
Cumulative Costs to Date		38,943
Total Expected Costs		48,702
MAP 2025 | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		743	44
Cumulative Costs to Date		2,835
Total Expected Costs		14,854
MAP 2025 | Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		0	4,555
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		1,266	415
Cumulative Costs to Date		17,077
Total Expected Costs		26,752
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		890	415
Cumulative Costs to Date		16,093
Total Expected Costs		20,037
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		376	0
Cumulative Costs to Date		984
Total Expected Costs		6,715
MAP 2025 | Performance Coatings Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges		155	5,416
Cumulative Costs to Date		11,278
Total Expected Costs		14,196
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		150	831
Cumulative Costs to Date		4,009
Total Expected Costs		5,669
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		5	30
Cumulative Costs to Date		177
Total Expected Costs		1,435
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
Total Expected Costs	[1]	7,092
MAP 2025 | Consumer Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges		3,958	14
Cumulative Costs to Date		14,508
Total Expected Costs		20,552
MAP 2025 | Consumer Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		3,938	0
Cumulative Costs to Date		13,711
Total Expected Costs		17,826
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		20	14
Cumulative Costs to Date		797
Total Expected Costs		2,726
MAP 2025 | Specialty Products Group Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges		1,823	653
Cumulative Costs to Date		6,057
Total Expected Costs		9,198
MAP 2025 | Specialty Products Group Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		1,481	653
Cumulative Costs to Date		5,180
Total Expected Costs		5,220
MAP 2025 | Specialty Products Group Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		342	0
Cumulative Costs to Date		877
Total Expected Costs		3,978
MAP 2025 | Corporate/Other Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges		0	0
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
Cumulative Costs to Date		(50)
Total Expected Costs		$ (50)

[1] Of the $4.6 million of other restructuring costs incurred for the three-month period ending August 31, 2023, $3.3 million is associated with the impairment of an indefinite-lived tradename as described above.