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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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Quarterly Result of Operations (Parenthetical) (Detail) $ in Thousands	3 Months Ended		12 Months Ended
	May 31, 2018 USD ($)	Nov. 30, 2016 USD ($) Segment	May 31, 2018 Segment	May 31, 2017 USD ($) Segment
Quarterly Financial Information [Line Items]
Inventory markdowns	$ 36,500
Additional restructuring charges	17,500
Number of reportable segments \| Segment		3	3	3
Pretax goodwill and intangible asset impairment losses				$ 193,198
Severance expense		$ 15,000
Kirker Reporting Unit
Quarterly Financial Information [Line Items]
Pretax goodwill and intangible asset impairment losses		188,300
Location Closing \| Middle East \| Bad Debt and Inventory Reserve
Quarterly Financial Information [Line Items]
Pretax charges relating to decision to exit		$ 12,300
Consumer Segment
Quarterly Financial Information [Line Items]
Inventory markdowns	36,500
Industrial Segment
Quarterly Financial Information [Line Items]
Inventory markdowns	1,200
Industrial Segment \| Location Closing \| China \| Bad Debt and Inventory Reserve
Quarterly Financial Information [Line Items]
Pretax charges relating to decision to exit	$ 4,200