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Subsequent Events (Details) - Subsequent Event - Class A Stock | Jul. 20, 2022 $ / shares
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Subsequent Event [Line Items] |
Dividends declared (in dollars per share) | $ 0.15
Dividends Declared Percentage Increase | 33.00%
Dividends Payable, Increased, Amount Per Share | $ 0.20
Dividends Payable, Increased, Amount Per Share | $ 0.20
Dividends Declared Percentage Increase | 33.00%

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- Definition Dividends Declared Percentage Increase + References No definition available. + Details
Name: | schl_DividendsDeclaredPercentageIncrease
Namespace Prefix: | schl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Dividends Payable, Increased, Amount Per Share + References No definition available. + Details
Name: | schl_DividendsPayableIncreasedAmountPerShare
Namespace Prefix: | schl_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |