Change in Carrying Amount of goodwill By Reportable Segment (Detail) $ in Thousands	9 Months Ended
Feb. 28, 2017 USD ($)
Goodwill [Line Items]
Goodwill beginning balance	$ 1,219,630
Acquisitions	72,822
Impairment	(140,456)
Translation adjustments	(18,983)
Goodwill ending balance	1,133,013
Industrial Segment
Goodwill [Line Items]
Goodwill beginning balance	475,355
Acquisitions	39,366
Translation adjustments	(4,700)
Goodwill ending balance	510,021
Specialty Segment
Goodwill [Line Items]
Goodwill beginning balance	171,768
Acquisitions	3,376
Translation adjustments	(1,663)
Goodwill ending balance	173,481
Consumer Segment
Goodwill [Line Items]
Goodwill beginning balance	572,507
Acquisitions	30,080
Impairment	(140,456)
Translation adjustments	(12,620)
Goodwill ending balance	$ 449,511

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
-Paragraph 1
-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
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-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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+ 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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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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