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Changes in Carrying Amount of Goodwill, by Reportable Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2017 | May 31, 2016
Goodwill [Line Items] |  |
Goodwill beginning balance | $ 1,219,630 | $ 1,215,688
Acquisitions | 75,361 | 29,762
Impairments | (141,394) |
Translation adjustments | (9,684) | (25,820)
Goodwill ending balance | 1,143,913 | 1,219,630
Industrial Segment |  |
Goodwill [Line Items] |  |
Goodwill beginning balance | 475,409 | 476,700
Acquisitions | 41,268 | 18,834
Translation adjustments | (342) | (20,125)
Goodwill ending balance | 516,335 | 475,409
Specialty Segment |  |
Goodwill [Line Items] |  |
Goodwill beginning balance | 171,714 | 165,934
Acquisitions | 3,273 | 7,168
Translation adjustments | (1,009) | (1,388)
Goodwill ending balance | 173,978 | 171,714
Consumer Segment |  |
Goodwill [Line Items] |  |
Goodwill beginning balance | 572,507 | 573,054
Acquisitions | 30,820 | 3,760
Impairments | (141,394) |
Translation adjustments | (8,333) | (4,307)
Goodwill ending balance | $ 453,600 | $ 572,507

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- Definition 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. + References 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 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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