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Goodwill and Intangible Assets (Schedule of Intangible Assets) (Detail) - USD ($) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2019
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 87,200 | $ 87,700 | $ 87,700
Amortizable Intangible Assets, Accumulated Amortization | (29,627) | (25,090) | (19,938)
Indefinite-lived Intangible Assets, Gross Carrying Amount | 224,945 | 224,904 | 224,974
Customer Relationships [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | 68,900 | 68,900 | 68,900
Amortizable Intangible Assets, Accumulated Amortization | $ (24,444) | (21,044) | (17,591)
Amortizable Intangible Assets, Weighted Average Amortization Period | 10 years |  |
Curriculum/Software [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 11,600 | 11,600 | 11,600
Amortizable Intangible Assets, Accumulated Amortization | $ (3,061) | (2,094) | (1,128)
Amortizable Intangible Assets, Weighted Average Amortization Period | 6 years |  |
Course Delivery Technology |  |  |
Intangible Assets [Line Items] |  |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 6,700 | 7,200 | 7,200
Amortizable Intangible Assets, Accumulated Amortization | $ (2,122) | (1,952) | (1,219)
Amortizable Intangible Assets, Weighted Average Amortization Period | 5 years |  |
Trade Names [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 95,705 | 95,664 | 95,734
Chamberlain Title IV Eligibility And Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 1,200 | 1,200 | 1,200
AUC Title IV Eligibility And Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 100,000 | 100,000 | 100,000
Ross Title IV Eligibility And Accreditations [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | 14,100 | 14,100 | 14,100
Intellectual Property [Member] |  |  |
Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets, Gross Carrying Amount | $ 13,940 | $ 13,940 | $ 13,940

X
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