Summary of Significant Accounting Policies - Additional Information (Detail)			3 Months Ended		9 Months Ended	12 Months Ended
	Jun. 01, 2023 USD ($)	Jan. 20, 2023 USD ($)	Aug. 31, 2023 USD ($)	Feb. 28, 2023	Feb. 28, 2023 USD ($)	May 31, 2024 USD ($) ReportingUnit Segment Entity	May 31, 2023 USD ($) Entity Segment	May 31, 2022 USD ($)
Significant Of Accounting Policies [Line Items]
Percentage of controlled subsidiary's earnings						100.00%
Number of business acquisition | Entity							6
Number of reportable segments | Segment						4	4
Net transactional foreign exchange losses gains						$ (6,600,000)	$ (8,900,000)	$ (4,300,000)
Depreciation						129,800,000	108,400,000	104,300,000
Bad debt expense						18,375,000	13,600,000	4,300,000
Inventory write-downs						0
Divestiture of businesses		$ 49,200,000
Gain on divestiture		$ 24,700,000
Impairment loss of goodwill on annual impairment test						0	0	0
Goodwill						1,308,911,000	1,293,588,000	1,337,868,000
Goodwill impairments					$ 36,700,000	0	36,745,000	0
Impairment loss of indefinite lived intangible assets on annual impairment tests							0	0
Impairment charge of indefinite lived intangible assets							$ 2,500,000
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]							Restructuring charges
Advertising cost						64,700,000	$ 62,000,000	45,400,000
Research and development cost						$ 92,200,000	86,600,000	80,500,000
Supplier financing program, termination notice						30 days
Supplier finance program, obligation						$ 32,900,000	$ 0
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]						Accounts Payable, Current	Accounts Payable, Current
ASU 2022-04
Significant Of Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted [true false]						true
Change in accounting principle, accounting standards update, immaterial effect [true false]						true
Change in accounting principle, accounting standards update, adoption date						Jun. 01, 2023
CPG Segment
Significant Of Accounting Policies [Line Items]
Number of business acquisition | Entity						2
Goodwill						$ 451,467,000	$ 450,555,000	453,651,000
SPG Segments
Significant Of Accounting Policies [Line Items]
Inventory write-downs							7,600,000
Number of new reporting units | ReportingUnit						2
Goodwill						$ 150,650,000	150,074,000	166,805,000
PCG Segment
Significant Of Accounting Policies [Line Items]
Goodwill						173,816,000	161,732,000	201,815,000
Goodwill impairments							36,745,000
Consumer Segment
Significant Of Accounting Policies [Line Items]
Goodwill						532,978,000	531,227,000	515,597,000
Consumer Segment | Trade Names
Significant Of Accounting Policies [Line Items]
Impairment charge of indefinite lived intangible assets						$ 1,000,000	0	$ 0
Other Restructuring Costs | Trade names | PCG Segment
Significant Of Accounting Policies [Line Items]
Impairment charge of indefinite lived intangible assets	$ 3,300,000		$ 3,300,000
Universal Sealants
Significant Of Accounting Policies [Line Items]
Goodwill							1,100,000
Goodwill impairments							$ 36,700,000
Universal Sealants | PCG Segment
Significant Of Accounting Policies [Line Items]
Percentage of annual revenue				30.00%			30.00%
Universal Sealants | Trade names
Significant Of Accounting Policies [Line Items]
Impairment charge of indefinite lived intangible assets					$ 2,500,000		$ 2,500,000
DayGlo and Kirker Reporting Units | SPG Segments
Significant Of Accounting Policies [Line Items]
Number of reporting units | ReportingUnit						1
The Industrial Coatings Group Reporting Unit | SPG Segments
Significant Of Accounting Policies [Line Items]
Number of reporting units | ReportingUnit						1
Color Group Reporting Unit
Significant Of Accounting Policies [Line Items]
Goodwill						$ 11,000,000
Percentage of fair value in excess of carrying amount						18.00%