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v3.19.2

Other Non-Operating Income (Narrative) (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) business | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($)
Schedule of Non-Operating Income (Expense) [Line Items] |  |  |  |  |  |
Gain on sale of equity affiliate | $ 0 |  | $ 0 |  | $ 28,994 | $ 0
Gain Related to Contingent Consideration |  |  | 1,400 |  |  |
Gain (loss) on sales of businesses | 232 |  | 1,334 |  | 421 | 7,241
Education [Member] |  |  |  |  |  |
Schedule of Non-Operating Income (Expense) [Line Items] |  |  |  |  |  |
Gain (loss) on sales of businesses |  |  |  | $ 5,900 |  |
Number of businesses disposed | business |  |  |  | 2 |  |
Gimlet Media [Member] |  |  |  |  |  |
Schedule of Non-Operating Income (Expense) [Line Items] |  |  |  |  |  |
Gain on sale of equity affiliate |  | $ 29,000 |  |  |  |
Higher Education [Member] | Education [Member] | Kaplan University Transaction [Member] |  |  |  |  |  |
Schedule of Non-Operating Income (Expense) [Line Items] |  |  |  |  |  |
Gain Related to Contingent Consideration | $ 200 |  | $ 1,400 |  | $ 400 | $ 1,400
Gain (loss) on sales of businesses |  |  |  | $ 4,300 |  |

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