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Restructuring Charges (Restructuring and Related Costs) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | $ 68 | $ 1,363 | $ 744 | $ 16,428
Home Office and Other |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | 773 | 1,235 | 1,335 | 5,576
Operating Segments [Member] | Chamberlain. |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges |  |  |  | 818
Operating Segments [Member] | Walden |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | (776) | 41 | (776) | 3,121
Operating Segments [Member] | Medical and Veterinary |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | 71 | 87 | 185 | 6,913
Real Estate and Other |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | 68 | 685 | 704 | 15,424
Real Estate and Other | Home Office and Other |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | 773 | 557 | 1,335 | 4,626
Real Estate and Other | Operating Segments [Member] | Chamberlain. |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges |  |  |  | 818
Real Estate and Other | Operating Segments [Member] | Walden |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | (776) | 41 | (776) | 3,067
Real Estate and Other | Operating Segments [Member] | Medical and Veterinary |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | 71 | 87 | 145 | 6,913
Termination Benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | 0 | 678 | 40 | 1,004
Termination Benefits | Home Office and Other |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges | $ 0 | $ 678 | 0 | 950
Termination Benefits | Operating Segments [Member] | Walden |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges |  |  |  | $ 54
Termination Benefits | Operating Segments [Member] | Medical and Veterinary |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring Charges |  |  | $ 40 |

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