The amount by which the fair value exceeds the carrying value

No definition available.

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- Definition

Multiple of EBIDTA used in fair value calculation

+ References

No definition available.

+ Details

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- Details

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- Definition

The amount of impairment losses included in amortization expense.

+ References

No definition available.

+ Details

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- Definition

The carrying value of the reporting unit

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Fair value of reporting unit

+ References

No definition available.

+ Details

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- Definition

Goodwill attributed to a specific reporting unit within a reportable segment

+ References

No definition available.

+ Details

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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 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: 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 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=26713463&loc=d3e16323-109275

+ Details

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- Definition

The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

+ References

No definition available.

+ Details

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

No definition available.

+ Details

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- Definition

Amount of liabilities assumed at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

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- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

+ Details

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- Definition

Market valuation of entity divided by revenue, used as an input to measure fair value.

+ References

+ Details

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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.

+ Details

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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Goodwill and Other Intangibles (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2011
Goodwill and Other Intangibles (Details) [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 0.3	$ 9.5	$ 10.1
Fair Value Inputs, Long-term Revenue Growth Rate	3.00%
Impairment Of Amortization Expense		4.9
Amortization of Intangible Assets	2.5	6.5	1.4
Finite-Lived Intangible Asset, Useful Life	9 years
Historical Revenue [Member] \| Book Club Operations [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Fair Value Inputs, Revenue Multiple	0.4
Future Revenue [Member] \| Book Club Operations [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Fair Value Inputs, Revenue Multiple	0.5
Alternate Valuation Methodology [Member] \| Classroom and Community Group [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Fair Value Inputs, Discount Rate	18.00%
Fair Value Inputs EBITDA	3.8
Weekly Reader [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	2.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	4.8
Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31)	1.4
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets (Deprecated 2013-01-31)	5.4
Learners Publishing [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	3.0
Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31)	1.5
Classroom and Community Group [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Reporting Unit Goodwill	64.0
Fair value exceeds Carrying value	20.00%
Fair Value Inputs, Discount Rate	16.00%
Fair Value Inputs EBITDA	4.5
Book Club Operations [Member]
Goodwill and Other Intangibles (Details) [Line Items]
Reporting Unit Goodwill	13.4
Fair Value Inputs, Discount Rate	15.00%
Reporting Unit, Fair Value	59.5	65.0
Reporting Unit, Carrying Value	$ 48.8