v2.3.0.11

Treasury Stock (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended						5 Months Ended	12 Months Ended
	Aug. 31, 2011	Feb. 28, 2010	Feb. 28, 2009	Nov. 30, 2008	May 31, 2008	Feb. 28, 2008	May 31, 2008	May 31, 2011	May 31, 2008
Accelerated Share Repurchases Outstanding Common Stock									$ 200.0
Accelerated Share Repurchases, Initially Received Shares (in Shares)					5,100,000		5,100,000		5,100,000
Accelerated Share Repurchases, Additional Received Shares (in Shares)					700,000		700,000		700,000
Accelerated Share Repurchases, Shares Received Total (in Shares)					5,800,000		5,800,000		5,800,000
Accelerated Share Repurchases, Initial Price Paid Per Share (in Dollars per share)									$ 34.64
Stock Repurchase Program, Authorized Amount		20.0	5.0	10.0	20.0	20.0
Stock Repurchase Program Number Of Shares Repurchased (in Shares)					700,000		700,000	400,000	700,000
Stock Repurchase Program Repurchased Amount							20.0	9.7
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)							$ 30.09	$ 24.98
Common Shares Purchased (in Shares)								5,199,699
Common Shares Purchase Price Per Share (in Dollars per share)								$ 30.00
Purchase Of Common Stock Value Excluding Related Fees and Expenses								156.0
Purchase of Shares, Percentage of Common Shares Outstanding								15.10%
Fees Related To Shares Purchase								1.2
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 44.5

X

- Definition

Number of shares received an additional in the settlement date of the accelerated share repurchase agreement.

+ Details

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Namespace Prefix:	schl
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of shares initially received on the date of initial executing the accelerated share repurchase agreement.

+ Details

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Namespace Prefix:	schl
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of accelerated share repurchases outstanding common stock.

+ Details

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

X

- Definition

The total number of shares received under the accelerated share repurchases agreement.

+ Details

Name:	schl_AcceleratedShareRepurchasesSharesReceivedTotal
Namespace Prefix:	schl
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Common shares purchased under modified tender offer as of the reporting date.

+ Details

Name:	schl_CommonSharesPurchased
Namespace Prefix:	schl
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The dollar amount of common shares purchase price per share.

+ Details

Name:	schl_CommonSharesPurchasePricePerShare
Namespace Prefix:	schl
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of fees and expenses related to shares purchases during the period.

+ Details

Name:	schl_FeesRelatedToSharesPurchase
Namespace Prefix:	schl
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of purchase of common stock excluding related fees and expenses as of the reporting date.

+ Details

Name:	schl_PurchaseOfCommonStockValueExcludingRelatedFeesAndExpenses
Namespace Prefix:	schl
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Purchase of Shares, Percentage of Common Shares Outstanding.

+ Details

Name:	schl_PurchaseOfSharesPercentageOfCommonSharesOutstanding
Namespace Prefix:	schl
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of shares repurchased by an entity's Board of Directors under a stock repurchase plan.

+ Details

Name:	schl_StockRepurchaseProgramNumberOfSharesRepurchased
Namespace Prefix:	schl
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of repurchased by an entity's Board of Directors under a stock repurchase plan.

+ Details

Name:	schl_StockRepurchaseProgramRepurchasedAmount
Namespace Prefix:	schl
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 99-7
-Paragraph 1
-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.

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X

- Definition

The amount authorized by an entity's Board of Directors under a stock repurchase plan.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
-Paragraph 7
-Subparagraph b
-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 FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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