Goodwill and Intangible Assets - Goodwill (Details) $ in Thousands	3 Months Ended
Jul. 31, 2021 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill gross	$ 645,377
Goodwill, accumulated impairment loss	(69,047)
Goodwill balance	576,330
Goodwill recognized from acquisitions	13,057
Translation adjustment, gross	(2,949)
Translation adjustment, impairment loss	893
Translation adjustment, net	(2,056)
Goodwill gross	655,485
Goodwill, accumulated impairment loss	(68,154)
Goodwill balance	$ 587,331

Goodwill, Foreign Currency Translation Adjustment, Impairment Loss

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- Definition

Goodwill, Foreign Currency Translation Gain (Loss) Net of Goodwill Impairment Loss

+ References

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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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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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 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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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.

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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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