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Subsequent Events (Details) - USD ($) | Dec. 14, 2022 | Nov. 30, 2022 | May 31, 2022 | Mar. 18, 2020
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Subsequent Event [Line Items] |  |  |  |
Authorized amount of stock to be repurchased |  |  | $ 50,000,000.0 | $ 50,000,000.0
Remaining authorized stock repurchase amount |  | $ 26,200,000 |  |
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stock repurchase program, authorized amount, increase (decrease) | $ 48,800,000 |  |  |
Authorized amount of stock to be repurchased | $ 75,000,000.0 |  |  |
Common Class A | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividend declared per share (in Dollars per share) | $ 0.20 |  |  |
Common Class B | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividend declared per share (in Dollars per share) | $ 0.20 |  |  |

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- Definition Stock Repurchase Program, Authorized Amount, Increase (Decrease) + References No definition available. + Details
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Namespace Prefix: | schl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_
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Balance Type: | na
Period Type: | instant

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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