Summary of Activity in Restructuring Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended
Aug. 31, 2021	Aug. 31, 2020
Restructuring Cost And Reserve [Line Items]
Charges (credits) to expense	$ 1,010	$ 4,233
MAP to Growth
Restructuring Cost And Reserve [Line Items]
Beginning balance	5,720	13,237
Charges (credits) to expense	1,010	4,233
Cash payments charged against reserve	(3,014)	(6,205)
Non-cash charges and other adjustments	(379)	(234)
Ending balance	3,337	11,031
MAP to Growth \| Severance and Benefit Costs (Credits)
Restructuring Cost And Reserve [Line Items]
Beginning balance	4,430	7,357
Charges (credits) to expense	(278)	2,478
Cash payments charged against reserve	(1,766)	(4,942)
Non-cash charges and other adjustments	0	0
Ending balance	2,386	4,893
MAP to Growth \| Facility Closure and Other Related Costs
Restructuring Cost And Reserve [Line Items]
Beginning balance	1,290	5,880
Charges (credits) to expense	1,286	1,521
Cash payments charged against reserve	(1,248)	(1,263)
Non-cash charges and other adjustments	(377)	0
Ending balance	951	6,138
MAP to Growth \| Other Restructuring Costs
Restructuring Cost And Reserve [Line Items]
Beginning balance	0	0
Charges (credits) to expense	2	234
Cash payments charged against reserve	0	0
Non-cash charges and other adjustments	(2)	(234)
Ending balance	$ 0	$ 0

Restructuring reserve settled without cash and other adjustments.

No definition available.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 420
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-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 230
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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