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Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Changes in carrying amount |  |
Balance, beginning of period | $ 1,318,526,000 |
Reporting unit reallocation | 0 |
Additions | 0 |
Impairments | 0 | $ 0
Currency translation adjustments | (7,301,000) |
Adjustments to prior acquisitions | 262,000 |
Balance, end of period | 1,311,487,000 |
U.S. Higher Education |  |
Changes in carrying amount |  |
Balance, beginning of period | 732,075,000 |
Reporting unit reallocation | (100,000,000) |
Additions | 0 |
Impairments | 0 |
Currency translation adjustments | 0 |
Adjustments to prior acquisitions | 0 |
Balance, end of period | 632,075,000 |
Australia / New Zealand |  |
Changes in carrying amount |  |
Balance, beginning of period | 586,451,000 |
Reporting unit reallocation | 0 |
Additions | 0 |
Impairments | 0 |
Currency translation adjustments | (7,301,000) |
Adjustments to prior acquisitions | 262,000 |
Balance, end of period | 579,412,000 |
Alternative Learning |  |
Changes in carrying amount |  |
Balance, beginning of period | 0 |
Reporting unit reallocation | 100,000,000 |
Additions | 0 |
Impairments | 0 |
Currency translation adjustments | 0 |
Adjustments to prior acquisitions | 0 |
Balance, end of period | $ 100,000,000 |

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