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Goodwill and Other Intangibles - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Aug. 31, 2016	Nov. 30, 2016	Nov. 30, 2015	May 31, 2016
Goodwill and Other Intangibles (Details) [Line Items]
Amortizable intangible assets acquired		$ 0.2	$ 2.4	$ 2.4
Amortization expense		$ 1.2	$ 1.1	2.2
Useful life		3 years 7 months
U.S. Based Book Fair Business
Goodwill and Other Intangibles (Details) [Line Items]
Amortizable intangible assets acquired	$ 0.2			0.5
U.K. Based Book Fair Business
Goodwill and Other Intangibles (Details) [Line Items]
Amortizable intangible assets acquired				$ 1.9

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- Definition

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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

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