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Accrued Severance (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Feb. 28, 2014
Disclosure For Accrued Severance [Abstract]
Amount of severance expense incurred in the period for cost saving initiatives	$ 9.2
Other Severance Expense not related to cost saving initiatives	$ 0.5

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- Definition

Amount of severance expense incurred in the period for cost saving initiatives.

+ References

No definition available.

+ Details

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Period Type:	duration

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- Definition

Other Severance Expense not related to cost saving initiatives

+ References

No definition available.

+ Details

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Namespace Prefix:	schl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration