Amount of additional credit facility sanctioned.

No definition available.

Name:	schl_AdditionalCreditFacilitySanctioned
Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of credit facility sanctioned.

+ References

No definition available.

+ Details

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Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Credit facility sanctioned during the period.

+ References

No definition available.

+ Details

Name:	schl_CreditFacilitySanctionedDuringPeriod
Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The fee, expressed as a percentage range maximum of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	schl_LineOfCreditFacilityFeePercentageRangeMaximum
Namespace Prefix:	schl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage range minimum of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	schl_LineOfCreditFacilityFeePercentageRangeMinimum
Namespace Prefix:	schl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective base interest rate advances as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	schl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

No definition available.

+ Details

Name:	schl_NotesPayableNoncurrentValue
Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

+ Details

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Debt (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Nov. 30, 2011	May 31, 2008	May 31, 2003
Credit Facility Sanctioned During Period		$ 525.0
Line Of Credit Facility Interest Rate Advances	0.25%
Line of Credit Facility, Commitment Fee Percentage Range Minimum	0.20%
Line of Credit Facility Fee Percentage Range Maximum	0.40%
Line of Credit Facility, Commitment Fee Percentage	0.25%
Notes Payable, Noncurrent, Value			175.0
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Unsecured Debt [Member]
Line of Credit, Current	20.0
Term Loan [Member]
Credit Facility Sanctioned		200.0
Federal Funds Rate [Member]
Line of Credit Facility, Interest Rate During Period	0.50%
Revolving Loan [Member]
Additional Credit Facility Sanctioned		150.0
Line of Credit [Member]
Credit Facility Sanctioned During Period		325.0
Standby Letters of Credit [Member]
Line of Credit Facility, Amount Outstanding	1.4
Eurodollar Rate [Member]
Line of Credit Facility, Interest Rate Description	Eurodollar Rate for a one month interest period plus 1% plus an applicable spread ranging from 0.18% to 0.60%
Line Of Credit Facility Interest Rate Advances	1.25%
LIBOR Rate [Member]
Line of Credit Facility, Interest Rate Description	London interbank offered rate (LIBOR) plus an applicable spread ranging from 1.18% to 1.60%
Notes Payable, Other Payables [Member]
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Secured Debt [Member]
Line of Credit, Current	34.1