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Goodwill and Other Intangibles (Details) - Schedule of activity in goodwill - USD ($) $ in Millions	12 Months Ended
	May 31, 2019	May 31, 2018
Goodwill [Roll Forward]
Gross beginning balance	$ 158.8	$ 158.5
Accumulated impairment	(39.6)	(39.6)
Beginning balance	119.2	118.9
Additions	6.3	0.0
Foreign currency translation	(0.3)	0.2
Other	0.0	0.1
Gross ending balance		158.8
Accumulated impairment		(39.6)
Ending balance	$ 125.2	$ 119.2

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

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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.

+ References

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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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