Subsequent Events (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Feb. 29, 2012
Increase Decrease Sales Tax (in Dollars)	$ 11.6
Common Class A [Member]
Subsequent Event Dividend Declared Per Share	$ 0.125

The per share amount of a dividend declared but not paid after the balance sheet date as a subsequent event to the financials.

No definition available.

Name:	schl_SubsequentEventDividendDeclaredPerShare
Namespace Prefix:	schl_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant