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Revenue (Disaggregate revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 368,845 | $ 354,269
Tuition and fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 365,361 | 351,530
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 3,484 | 2,739
Chamberlain |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 142,596 | 135,405
Chamberlain | Tuition and fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 142,596 | 135,405
Chamberlain | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 0 | 0
Walden |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 141,608 | 130,901
Walden | Tuition and fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 141,608 | 130,901
Walden | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 0 | 0
Medical and Veterinary |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 84,641 | 87,963
Medical and Veterinary | Tuition and fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 81,157 | 85,224
Medical and Veterinary | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 3,484 | $ 2,739

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