Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Feb. 29, 2024		Feb. 28, 2023		Feb. 29, 2024		Feb. 28, 2023
Restructuring Cost and Reserve [Line Items]
Current Year Charges	$ 6,359		$ 4,154		$ 14,096		$ 6,780
MAP 2025
Restructuring Cost and Reserve [Line Items]
Current Year Charges	6,359		3,447		14,096		3,447
MAP 2025 | Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges	0		2,537		4,555		2,537
MAP 2025 | Performance Coatings Segment
Restructuring Cost and Reserve [Line Items]
Current Year Charges	581		3,110		6,303		3,110
MAP 2025 | Performance Coatings Segment | Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Current Year Charges	$ 0	[1]	$ 2,537	[2]	4,555	[1]	$ 2,537	[2]
MAP 2025 | Performance Coatings Segment | Trade name | Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Impairment of indefinite-lived assets					$ 3,300

[1] Of the $4.6 million of other restructuring costs incurred for the nine-month period ending February 29, 2024, $3.3 million is associated with the impairment of an indefinite-lived tradename as described below in Note 4, "Goodwill and Other Intangible Assets," of the Consolidated Financial Statements.

[2] Other restructuring costs are associated with the impairment of an indefinite-lived tradename as described below in Note 4, "Goodwill and Other Intangible Assets," of the Consolidated Financial Statements.