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Debt (Details) - Schedule of debt (Parentheticals)	May. 31, 2015	May. 31, 2014	May. 31, 2013
Debt (Details) - Schedule of debt (Parentheticals) [Line Items]
Interest rate	0.00%	0.00%	5.00%
Line of Credit [Member]
Debt (Details) - Schedule of debt (Parentheticals) [Line Items]
Weighted average interest rate	3.80%	2.30%
Revolving Credit Facility [Member]
Debt (Details) - Schedule of debt (Parentheticals) [Line Items]
Interest rate	0.00%	1.30%

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- Definition

-- None. No documentation exists for this element. --

+ References

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Namespace Prefix:	schl_
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))



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

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- Definition

Weighted average interest rate of short-term debt outstanding.

+ 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))



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

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