Employee Benefit Plans (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended	6 Months Ended
May 31, 2013	Nov. 30, 2012 United States Pension Plans of US Entity, Defined Benefit [Member]	Nov. 30, 2012 UK Pension Plan [Member]
Defined Benefit Plan Actual Contributions		$ 5.1	$ 0.6
Expects To Contribute Cash To Pension Plans	$ 10.6

The amount of expects to contribute based on actuarial calculations to the pension plans.

No definition available.

Name:	schl_ExpectsToContributeCashToPensionPlans
Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration