Debt (Details) - Schedule of debt (USD $)	May 31, 2014	May 31, 2013
Debt Instrument, Carrying Value [Abstract]
Total debt	$ 135,800,000	$ 2,000,000
Less lines of credit and current portion of long-term debt, Carrying Value	(15,800,000)	(2,000,000)
Total long-term debt, Carrying Value	120,000,000	0
Debt Instrument, Fair Value Disclosure [Abstract]
Debt Long Term And Short Term Outstanding, Fair Value	135,800,000	2,000,000
Less lines of credit and current portion of long-term debt, Fair Value	(15,800,000)	(2,000,000)
Total long-term debt, Fair Value	120,000,000	0
Revolving Credit Facility [Member]
Debt Instrument, Carrying Value [Abstract]
Revolving Loan (interest rate of 1.3%), Carrying Value	120,000,000	0
Debt Instrument, Fair Value Disclosure [Abstract]
Revolving Loan (interest rate of 1.3%), Fair Value	120,000,000	0
Line of Credit [Member]
Debt Instrument, Carrying Value [Abstract]
Total debt	15,800,000	2,000,000
Debt Instrument, Fair Value Disclosure [Abstract]
Debt Long Term And Short Term Outstanding, Fair Value	$ 15,800,000	$ 2,000,000

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Fair value of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

Name:	schl_DebtLongtermAndShorttermCombinedAmountFairValue
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- Definition

Total of the portions of the carrying amounts as of the balance sheet date of lines of credit and short-term debt and long-term debt which are scheduled to be repaid within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

Name:	schl_LinesOfCreditShorttermDebtAndLongtermDebtCurrent
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- Definition

Total of the portions of the fair value of lines of credit and short-term debt and long-term debt which are scheduled to be repaid within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

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- Definition

Lines Of Credit Short-Term Debt And Long-Term Debt, Fair Value

+ References

No definition available.

+ Details

Name:	schl_LinesOfCreditShortTermDebtAndLongTermDebtFairValue
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Period Type:	instant

- Details

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- Definition

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

+ References

No definition available.

+ Details

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- 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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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ 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)

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

+ Details

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