Line of credit facility base rate advances.

No definition available.

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

- Definition

Line of credit facility Eurodollar rate advances.

+ References

No definition available.

+ Details

Name:	schl_LineOfCreditFacilityEurodollarRateAdvances
Namespace Prefix:	schl_
Data Type:	num:percentItemType
Balance Type:	na
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

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

- Definition

Standby Letters of Credit

+ References

No definition available.

+ Details

Name:	schl_StandbyLettersofCredit
Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Standby Letters of Credit, canceled

+ References

No definition available.

+ Details

Name:	schl_StandbyLettersofCreditcanceled
Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the 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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
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

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

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: 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

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

+ Details

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

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- 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

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDescription
Namespace Prefix:	us-gaap_
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Debt (Details) (USD $)							12 Months Ended									3 Months Ended			12 Months Ended
Debt (Details) (USD $)	May 31, 2014	May 31, 2013	May 31, 2012	May 31, 2014 Unsecured Debt [Member]	May 31, 2013 Unsecured Debt [Member]	May 31, 2014 Secured Debt [Member]	May 31, 2014 Loan Agreement [Member]	Feb. 28, 2014 Loan Agreement [Member]	May 31, 2013 Loan Agreement [Member]	May 31, 2014 Standby Letter Of Credit [Member]	May 31, 2014 Line of Credit [Member]	May 31, 2013 Line of Credit [Member]	May 31, 2014 Line of Credit [Member] Secured Debt [Member]	May 31, 2013 Line of Credit [Member] Secured Debt [Member]	May 31, 2014 Minimum [Member] Loan Agreement [Member]	May 31, 2014 Maximum [Member] Unsecured Debt [Member]	May 31, 2014 Maximum [Member] Secured Debt [Member]	May 31, 2014 Maximum [Member] Loan Agreement [Member]	May 31, 2014 Federal Funds Rate [Member] Loan Agreement [Member]	May 31, 2014 Eurodollar [Member]	May 31, 2014 Eurodollar [Member] Loan Agreement [Member]	May 31, 2014 Base Rate [Member] Minimum [Member] Loan Agreement [Member]	May 31, 2014 Base Rate [Member] Maximum [Member] Loan Agreement [Member]	May 31, 2014 London Interbank Offered Rate (LIBOR) [Member]	May 31, 2014 London Interbank Offered Rate (LIBOR) [Member] Minimum [Member] Loan Agreement [Member]	May 31, 2014 London Interbank Offered Rate (LIBOR) [Member] Maximum [Member] Loan Agreement [Member]	May 31, 2014 Notes Due 2013 [Member]
Debt Instrument [Line Items]
Interest rate description																				Eurodollar Rate for a one month interest period plus 1% plus, in each case, an applicable spread ranging from 0.18% to 0.60%				London interbank offered rate (LIBOR) plus an applicable spread ranging from 1.18% to 1.60%
Borrowing capacity				$ 5,100,000		$ 34,600,000	$ 425,000,000.0
Expiration date							Dec. 05, 2017
Variable rate																			0.50%		1.00%	0.18%	0.60%		1.18%	1.60%
Spread on base rate advances							0.18%
Spread on Eurodollar rate advances							1.18%
Facility fee							0.20%								0.20%			0.40%
Amount outstanding				10,000,000	0		120,000,000		0
Standby letters of credit							400,000			5,300,000	4,900,000
Standby letters of credit canceled								1,000,000
Weighted average interest rate				1.20%									4.30%	9.00%
Debt Instrument, Term																365 days	364 days
Borrowings outstanding	$ 135,800,000	$ 2,000,000									$ 15,800,000	$ 2,000,000	$ 5,800,000	$ 2,000,000													$ 175,000,000
Interest rate	5.00%	5.00%	5.00%																								5.00%