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Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Jun. 30, 2023
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Intangible Assets [Line Items] |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 217,991 | $ 217,991
Amortizable Intangible Assets, Accumulated Amortization | (178,523) | (158,513)
Indefinite-lived Intangible Assets, Gross Carrying Amount | 752,860 | 752,860
Student Relationships |  |
Intangible Assets [Line Items] |  |
Amortizable Intangible Assets, Gross Carrying Amount | 161,900 | 161,900
Amortizable Intangible Assets, Accumulated Amortization | $ (151,876) | (137,476)
Amortizable Intangible Assets, Weighted Average Amortization Period | 3 years |
Curriculum |  |
Intangible Assets [Line Items] |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 56,091 | 56,091
Amortizable Intangible Assets, Accumulated Amortization | $ (26,647) | (21,037)
Amortizable Intangible Assets, Weighted Average Amortization Period | 5 years |
Walden trade name |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 119,560 | 119,560
AUC trade name |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 17,100 | 17,100
RUSM trade name |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 3,500 | 3,500
RUSVM trade name |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 1,600 | 1,600
Chamberlain Title IV eligibility and accreditations |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 1,200 | 1,200
Walden Title IV eligibility and accreditations |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 495,800 | 495,800
AUC Title IV eligibility and accreditations |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 100,000 | 100,000
RUSM Title IV eligibility and accreditations |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 11,600 | 11,600
RUSVM Title IV eligibility and accreditations |  |
Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 2,500 | $ 2,500

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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