Summary of Significant Accounting Policies - Additional Information (Detail)	2 Months Ended	12 Months Ended
	Jul. 23, 2021 USD ($) $ / shares shares	May 31, 2021 USD ($) Entity Segment $ / shares shares	May 31, 2020 USD ($) Entity Segment ReportingUnit $ / shares shares	May 31, 2019 USD ($) Segment $ / shares shares
Significant Of Accounting Policies [Line Items]
Percentage of controlled subsidiary's earnings		100.00%
Number of business acquisition | Entity		4	3
Number of reportable segments | Segment		4	4
Net transactional foreign exchange losses gains		$ (2,800,000)	$ 300,000	$ (4,800,000)
Depreciation		99,400,000	108,500,000	94,000,000.0
Bad debt expense		10,044,000	16,700,000	18,600,000
Inventory write-downs		$ 3,700,000	39,600,000	29,400,000
Number of operating segments | Segment		4
Goodwill impairments		$ 0	0	0
Impairment charge of intangible assets				4,200,000
Impairment charge of indefinite lived intangible assets		0
Advertising cost		61,100,000	49,700,000	57,500,000
Research and development cost		$ 77,600,000	$ 76,500,000	$ 71,600,000
Shares repurchased | shares		594,061	2,041,847	3,286,907
Shares repurchased, value		$ 49,956,000	$ 125,000,000	$ 200,222,000
Repurchase of common stock price per shares | $ / shares		$ 84.09	$ 61.22	$ 60.92
Subsequent Event
Significant Of Accounting Policies [Line Items]
Shares repurchased | shares	133,388
Shares repurchased, value	$ 12,500,000
Repurchase of common stock price per shares | $ / shares	$ 93.71
ASU 2016-13
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, 2020
ASU 2017-04
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, 2020
ASU 2018-13
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, 2020
ASU 2018-14
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
Consumer Segment
Significant Of Accounting Policies [Line Items]
Inventory write-downs			$ 28,800,000	$ 10,500,000
Impairment loss of indefinite lived intangible assets on annual impairment tests			0	0
Impairment charge of indefinite lived intangible assets			4,000,000.0
PCG Segment
Significant Of Accounting Policies [Line Items]
Inventory write-downs			$ 3,200,000	9,000,000.0
CPG Segment
Significant Of Accounting Policies [Line Items]
Inventory write-downs				1,000,000.0
Impairment charge of indefinite lived intangible assets				$ 2,000,000.0
Industrial Segment
Significant Of Accounting Policies [Line Items]
Number of operating segments | Segment				2
Wood Finishes Group
Significant Of Accounting Policies [Line Items]
Number of reporting units | ReportingUnit			2
Kop-Coat Group
Significant Of Accounting Policies [Line Items]
Number of reporting units | ReportingUnit			2
SPG reportable segment
Significant Of Accounting Policies [Line Items]
Impairment charge of definite lived intangible assets				$ 2,200,000