Change in Carrying Amount of goodwill By Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Nov. 30, 2016	Nov. 30, 2016
Goodwill [Line Items]
Goodwill beginning balance		$ 1,219,630
Acquisitions		31,434
Impairment		(140,686)
Translation adjustments		(24,615)
Goodwill ending balance	$ 1,085,763	1,085,763
Industrial Segment
Goodwill [Line Items]
Goodwill beginning balance		475,355
Acquisitions		31,434
Translation adjustments		(12,631)
Goodwill ending balance	494,158	494,158
Specialty Segment
Goodwill [Line Items]
Goodwill beginning balance		171,768
Translation adjustments		(1,766)
Goodwill ending balance	170,002	170,002
Consumer Segment
Goodwill [Line Items]
Goodwill beginning balance		572,507
Impairment	(140,686)	(140,686)
Translation adjustments		(10,218)
Goodwill ending balance	$ 421,603	$ 421,603

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

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-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 28
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-Section 50
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