Income before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
May 31, 2019	May 31, 2018	May 31, 2017
Income Tax Disclosure [Abstract]
Income Before Income Taxes, United States	$ 215,201	$ 228,976	$ 133,356
Income Before Income Taxes, Foreign	124,644	188,072	110,977
Income Before Income Taxes	$ 339,845	$ 417,048	$ 244,333

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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- References

No definition available.

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