Employee Benefit Plans (Details) - Schedule of targeted weighted average asset allocations	12 Months Ended
May 31, 2013
United States Pension Plan [Member]
Employee Benefit Plans (Details) - Schedule of targeted weighted average asset allocations [Line Items]
Equity	70.00%
Debt and cash equivalents	30.00%
Real estate and other	0.00%
	100.00%
United Kingdom Pension Plan [Member]
Employee Benefit Plans (Details) - Schedule of targeted weighted average asset allocations [Line Items]
Equity	40.00%
Debt and cash equivalents	30.00%
Real estate and other	30.00%
	100.00%

Target allocation percentage of investments in debt securities and cash equivalents to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

No definition available.

+ Details

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Period Type:	duration

- Definition

Target allocation percentage of investments in real estate and other than debt securities and equity securities, to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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- Definition

The aggregate percentage of target allocation percentage of investments (categorized by debt securities, equity securities, real estate and other plan assets) to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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Namespace Prefix:	schl_
Data Type:	num:percentItemType
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Period Type:	duration

- Details

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Namespace Prefix:	schl_
Data Type:	xbrli:stringItemType
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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920

+ Details

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Period Type:	duration