Subsequent Events (Detail) (Common Class A [Member], USD $)	Sep. 19, 2012
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