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Subsequent Events (Details) - Subsequent Event - $ / shares	Jul. 21, 2021	Jun. 05, 2021
Class A Stock
Subsequent Event [Line Items]
Dividends declared (in dollars per share)	$ 0.15
Common Stock | Chief Executive Officer and Director
Subsequent Event [Line Items]
Shares held by CEO and Director's Estate		890,904

X

- Definition

Shares Outstanding, Held By Estate

+ References

No definition available.

+ Details

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Namespace Prefix:	schl_
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Balance Type:	na
Period Type:	instant

X

- 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=121583591&loc=d3e4304-108586

+ Details

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X

- 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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- Details

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- Details

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- Details

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- Details

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