-- None. No documentation exists for this element. --

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-Topic 350
-SubTopic 30
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-Paragraph 2
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

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.

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Goodwill and Other Intangibles - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Feb. 29, 2020	Aug. 31, 2018	Feb. 29, 2020	Feb. 28, 2019	May 31, 2018	May 31, 2019	May 31, 2017
Goodwill and Other Intangibles (Details) [Line Items]
Additions			$ 0.0	$ 0.0	$ 6.3
Amortizable intangible assets acquired			1.6	0.6	4.5
Goodwill, Impaired, Accumulated Impairment Loss						$ 39.6	$ 39.6
Amortization expense			$ 2.4	$ 2.0	$ 2.8
Useful life			5 years 2 months 12 days
U.S. Based Book Business [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Amortizable intangible assets acquired	$ 1.6
U.K. Based Book Business [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Amortizable intangible assets acquired		$ 0.6
Make Believe Ideas Limited (MBI)
Goodwill and Other Intangibles (Details) [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss						$ 3.9