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Segment and Geographic Information - Schedule of Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenues |  |  |
Revenues | $ 1,132,924 | $ 1,065,480 | $ 1,131,686
Income from operations |  |  |
Income from operations | 95,321 | 70,760 | 73,912
Amortization of intangible assets | (11,457) | (14,350) | (51,495)
Merger and integration costs | (1,544) | (1,117) | (11,201)
Restructuring costs | (16,256) | (2,115) | (25,472)
Segments |  |  |
Revenues |  |  |
Revenues | 1,132,924 | 1,065,480 | 1,131,686
Segment Reconciling Items |  |  |
Income from operations |  |  |
Amortization of intangible assets | (11,457) | (14,350) | (51,495)
Merger and integration costs | (1,544) | (1,117) | (11,201)
Restructuring costs | (16,256) | (2,115) | (25,472)
U.S. Higher Education |  |  |
Revenues |  |  |
Revenues | 818,953 | 770,979 | 829,270
U.S. Higher Education | Segments |  |  |
Revenues |  |  |
Revenues | 818,953 | 770,979 | 829,270
Income from operations |  |  |
Income from operations | 59,628 | 38,605 | 104,914
Australia / New Zealand |  |  |
Revenues |  |  |
Revenues | 233,518 | 230,747 | 250,124
Australia / New Zealand | Segments |  |  |
Revenues |  |  |
Revenues | 233,518 | 230,747 | 250,124
Income from operations |  |  |
Income from operations | 35,862 | 30,473 | 35,855
Education Technology Services |  |  |
Revenues |  |  |
Revenues | 80,453 | 63,754 | 52,292
Education Technology Services | Segments |  |  |
Revenues |  |  |
Revenues | 80,453 | 63,754 | 52,292
Income from operations |  |  |
Income from operations | $ 29,088 | $ 19,264 | $ 21,311

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