Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Name:	us-gaap_BusinessAcquisitionLineItems
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Acquisitions and Dispositions of Businesses (Acquisitions) (Narrative) (Details) $ in Millions	1 Months Ended			12 Months Ended
	Jun. 30, 2025 business	May 31, 2024 business	Jan. 31, 2024 business	Dec. 31, 2024 business	Jul. 15, 2025 USD ($)
Business Combination [Line Items]
Number of businesses acquired				2
Education [Member] \| Supplemental Education [Member]
Business Combination [Line Items]
Number of businesses acquired	1
Education [Member] \| Kaplan International [Member]
Business Combination [Line Items]
Number of businesses acquired		1
Other Businesses [Member]
Business Combination [Line Items]
Number of businesses acquired			1
Arconic Architectural Products, LLC [Member] \| Manufacturing [Member] \| Subsequent Event [Member] \| Hoover Treated Wood Products [Member]
Business Combination [Line Items]
Net pension liabilities \| $					$ 105