Goodwill, Net - Schedule of Goodwill, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
May 31, 2019	May 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Beginning balance	$ 33,411	$ 15,765
Acquisition	55,632	16,192
Exchange differences	(2,502)	1,454
Ending balance	86,541	33,411
Accumulated impairment	(6,927)	(1,682)
Goodwill, net	$ 79,614	$ 31,729

Effect Of Foreign Exchange Differences

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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

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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.

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Amount before 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/disclosureRef
-Publisher FASB
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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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