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Summary of Significant Accounting Policies - Additional Information (Detail) | 2 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 22, 2022 USD ($) $ / shares shares | May 31, 2022 USD ($) Segment Entity $ / shares shares | May 31, 2021 USD ($) Entity Segment $ / shares shares | May 31, 2020 USD ($) ReportingUnit $ / shares shares | May 31, 2019 Segment
Significant Of Accounting Policies [Line Items] |  |  |  |  |
Percentage of controlled subsidiary's earnings |  | 100.00% |  |  |
Number of business acquisition | Entity |  | 8 | 4 |  |
Number of reportable segments | Segment |  | 4 | 4 |  |
Net transactional foreign exchange losses gains |  | $ (4,300,000) | $ (2,800,000) | $ 300,000 |
Depreciation |  | 104,300,000 | 99,400,000 | 108,500,000 |
Bad debt expense |  | 4,326,000 | 10,000,000.0 | 16,700,000 |
Inventory write-downs |  | $ 9,800,000 | 3,700,000 | 39,600,000 |
Number of operating segments | Segment |  | 4 |  |  |
Goodwill impairments |  | $ 0 | 0 | 0 |
Impairment loss of indefinite lived intangible assets on annual impairment tests |  |  |  | 0 |
Impairment charge of indefinite lived intangible assets |  | 0 | 0 |  |
Advertising cost |  | 45,400,000 | 61,100,000 | 49,700,000 |
Research and development cost |  | $ 80,500,000 | $ 77,600,000 | $ 76,500,000 |
Shares repurchased | shares |  | 601,155 | 594,061 | 2,041,847 |
Shares repurchased, value |  | $ 52,500,000 | $ 49,956,000 | $ 125,000,000 |
Repurchase of common stock price per shares | $ / shares |  | $ 87.33 | $ 84.09 | $ 61.22 |
Subsequent Event |  |  |  |  |
Significant Of Accounting Policies [Line Items] |  |  |  |  |
Shares repurchased | shares | 303,079,000 |  |  |  |
Shares repurchased, value | $ 25,000,000.0 |  |  |  |
Repurchase of common stock price per shares | $ / shares | $ 82.49 |  |  |  |
ASU 2019-12 |  |  |  |  |
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, 2021 |  |  |
Consumer Segment |  |  |  |  |
Significant Of Accounting Policies [Line Items] |  |  |  |  |
Inventory write-downs |  |  |  | $ 28,800,000 |
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 |
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 |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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