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Derivatives and Hedging (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Nov. 30, 2013 | Nov. 30, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |
Unrealized Gain On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments | $ 0.1 | $ 0.1

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- Definition Amount of unrealized gain recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments. + References No definition available. + Details
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Namespace Prefix: | schl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration