Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Details) - USD ($) $ in Thousands		3 Months Ended
		Aug. 31, 2023	Aug. 31, 2022
Restructuring Cost and Reserve [Line Items]
Current Year Charges		$ 6,498	$ 1,354
MAP 2025
Restructuring Cost and Reserve [Line Items]
Current Year Charges		6,498
Cumulative Costs to Date		18,158
Total Expected Costs		34,787
MAP 2025 | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		1,899
Cumulative Costs to Date		10,401
Total Expected Costs		21,273
MAP 2025 | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		44
Cumulative Costs to Date		665
Total Expected Costs		6,422
MAP 2025 | Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		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		415
Cumulative Costs to Date		6,507
Total Expected Costs		16,835
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		415
Cumulative Costs to Date		6,507
Total Expected Costs		16,564
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		0
Cumulative Costs to Date		0
Total Expected Costs		271
MAP 2025 | Performance Coatings Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges		5,416
Cumulative Costs to Date		9,101
Total Expected Costs		10,418
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		831
Cumulative Costs to Date		1,979
Total Expected Costs		2,296
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		30
Cumulative Costs to Date		30
Total Expected Costs		1,030
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges	[1]	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		14
Cumulative Costs to Date		1,142
Total Expected Costs		1,142
MAP 2025 | Consumer Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		0
Cumulative Costs to Date		507
Total Expected Costs		507
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		14
Cumulative Costs to Date		635
Total Expected Costs		635
MAP 2025 | Specialty Products Group Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges		653
Cumulative Costs to Date		1,458
Total Expected Costs		6,442
MAP 2025 | Specialty Products Group Segment | Severance and benefit costs (credits)
Restructuring Cost and Reserve [Line Items]
Current Year Charges		653
Cumulative Costs to Date		1,458
Total Expected Costs		1,956
MAP 2025 | Specialty Products Group Segment | Facility Closure and Other Related Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges		0
Cumulative Costs to Date		0
Total Expected Costs		4,486
MAP 2025 | Corporate/Other Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges		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
Cumulative Costs to Date		(50)
Total Expected Costs		$ (50)

[1] Of the $4.6 million of other restructuring costs, $3.3 million is associated with the impairment of an indefinite-lived tradename described above.