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Goodwill and Other Intangible Assets - Schedule of Summary of the Changes in the Carrying Amount of Goodwill by Segment (Details) $ in Millions	3 Months Ended
	Jul. 31, 2021 USD ($)
Goodwill [Line Items]
Beginning balance	$ 235.6
Foreign currency translation	(0.4)
Ending balance	235.2
Automotive
Goodwill [Line Items]
Beginning balance	106.7
Foreign currency translation	(0.1)
Ending balance	106.6
Industrial
Goodwill [Line Items]
Beginning balance	128.9
Foreign currency translation	(0.3)
Ending balance	$ 128.6

X

- 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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X

- 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

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+ References

No definition available.

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