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Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Aug. 31, 2019 | Aug. 31, 2018
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | $ 6,622 | $ 20,076
2020 MAP to Growth |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 6,622 | 20,076
Cumulative Costs to Date | 66,446 |
Total Expected Costs | 98,871 |
2020 MAP to Growth | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 3,786 | 19,062
Cumulative Costs to Date | 46,262 |
Total Expected Costs | 67,554 |
2020 MAP to Growth | Facility Closure and Other Related Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 2,772 | 436
Cumulative Costs to Date | 17,151 |
Total Expected Costs | 26,731 |
2020 MAP to Growth | Other Asset Write-offs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 64 | 578
Cumulative Costs to Date | 3,033 |
Total Expected Costs | 4,586 |
2020 MAP to Growth | Construction Products Segment |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 848 | 2,797
Cumulative Costs to Date | 16,636 |
Total Expected Costs | 26,515 |
2020 MAP to Growth | Construction Products Segment | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 160 | 2,419
Cumulative Costs to Date | 11,389 |
Total Expected Costs | 20,182 |
2020 MAP to Growth | Construction Products Segment | Facility Closure and Other Related Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 688 | 13
Cumulative Costs to Date | 3,657 |
Total Expected Costs | 4,404 |
2020 MAP to Growth | Construction Products Segment | Other Asset Write-offs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges |  | 365
Cumulative Costs to Date | 1,590 |
Total Expected Costs | 1,929 |
2020 MAP to Growth | Performance Coatings Segment |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 2,609 | 5,041
Cumulative Costs to Date | 12,847 |
Total Expected Costs | 22,513 |
2020 MAP to Growth | Performance Coatings Segment | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 2,500 | 4,405
Cumulative Costs to Date | 8,913 |
Total Expected Costs | 14,617 |
2020 MAP to Growth | Performance Coatings Segment | Facility Closure and Other Related Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 109 | 423
Cumulative Costs to Date | 3,583 |
Total Expected Costs | 6,689 |
2020 MAP to Growth | Performance Coatings Segment | Other Asset Write-offs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges |  | 213
Cumulative Costs to Date | 351 |
Total Expected Costs | 1,207 |
2020 MAP to Growth | Consumer Products Segment |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 1,283 | 1,019
Cumulative Costs to Date | 15,378 |
Total Expected Costs | 20,996 |
2020 MAP to Growth | Consumer Products Segment | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 767 | 1,019
Cumulative Costs to Date | 8,145 |
Total Expected Costs | 11,663 |
2020 MAP to Growth | Consumer Products Segment | Facility Closure and Other Related Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 516 |
Cumulative Costs to Date | 7,208 |
Total Expected Costs | 9,308 |
2020 MAP to Growth | Consumer Products Segment | Other Asset Write-offs |  |
Restructuring Cost And Reserve [Line Items] |  |
Cumulative Costs to Date | 25 |
Total Expected Costs | 25 |
2020 MAP to Growth | Specialty Products Segment |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 1,889 | 2,220
Cumulative Costs to Date | 9,472 |
Total Expected Costs | 16,734 |
2020 MAP to Growth | Specialty Products Segment | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 366 | 2,220
Cumulative Costs to Date | 5,702 |
Total Expected Costs | 8,979 |
2020 MAP to Growth | Specialty Products Segment | Facility Closure and Other Related Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 1,459 |
Cumulative Costs to Date | 2,703 |
Total Expected Costs | 6,330 |
2020 MAP to Growth | Specialty Products Segment | Other Asset Write-offs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | 64 |
Cumulative Costs to Date | 1,067 |
Total Expected Costs | 1,425 |
2020 MAP to Growth | Corporate/Other Segment |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | (7) | 8,999
Cumulative Costs to Date | 12,113 |
Total Expected Costs | 12,113 |
2020 MAP to Growth | Corporate/Other Segment | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Current Year Charges | (7) | $ 8,999
Cumulative Costs to Date | 12,113 |
Total Expected Costs | $ 12,113 |

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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