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Segment and Geographic Information - Schedule of Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 1,219,930 | $ 1,132,924 | $ 1,065,480
Segment expenses |  |  |
Segment income from operations | 155,628 | 95,321 | 70,760
Unallocated expenses |  |  |
Amortization of intangible assets | 0 | (11,457) | (14,350)
Merger and integration costs | 0 | (1,544) | (1,117)
Restructuring costs | (1,648) | (16,256) | (2,115)
Consolidated income from operations | 155,628 | 95,321 | 70,760
Other (expense) income | 5,804 | 5,405 | (1,191)
Income before income taxes | 161,432 | 100,726 | 69,569
Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1,219,930 | 1,132,924 | 1,065,480
Segment expenses |  |  |
Direct segment expenses | 977,900 | 929,240 | 895,428
Enterprise shared services allocation | 84,754 | 79,106 | 81,710
Segment income from operations | 157,276 | 124,578 | 88,342
Unallocated expenses |  |  |
Consolidated income from operations | 157,276 | 124,578 | 88,342
Unallocated expenses |  |  |
Unallocated expenses |  |  |
Amortization of intangible assets | 0 | (11,457) | (14,350)
Merger and integration costs | 0 | (1,544) | (1,117)
Restructuring costs | (1,648) | (16,256) | (2,115)
U.S. Higher Education |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 857,890 | 818,953 | 770,979
U.S. Higher Education | Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 857,890 | 818,953 | 770,979
Segment expenses |  |  |
Direct segment expenses | 719,214 | 703,035 | 676,895
Enterprise shared services allocation | 61,511 | 56,290 | 55,479
Segment income from operations | 77,165 | 59,628 | 38,605
Unallocated expenses |  |  |
Consolidated income from operations | 77,165 | 59,628 | 38,605
Australia / New Zealand |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 257,119 | 233,518 | 230,747
Australia / New Zealand | Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 257,119 | 233,518 | 230,747
Segment expenses |  |  |
Direct segment expenses | 200,776 | 178,922 | 177,657
Enterprise shared services allocation | 18,949 | 18,734 | 22,617
Segment income from operations | 37,394 | 35,862 | 30,473
Unallocated expenses |  |  |
Consolidated income from operations | 37,394 | 35,862 | 30,473
Education Technology Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 104,921 | 80,453 | 63,754
Education Technology Services | Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 104,921 | 80,453 | 63,754
Segment expenses |  |  |
Direct segment expenses | 57,910 | 47,283 | 40,876
Enterprise shared services allocation | 4,294 | 4,082 | 3,614
Segment income from operations | 42,717 | 29,088 | 19,264
Unallocated expenses |  |  |
Consolidated income from operations | $ 42,717 | $ 29,088 | $ 19,264

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