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v3.20.4

Revenue (Disaggregate revenue) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 283,111 | $ 266,172 | $ 551,352 | $ 520,785
Higher Education [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 234,144 | 214,153 | 452,433 | 415,606
Test Preparation/Certifications [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 31,900 | 26,938 | 59,176 | 51,909
Conferences/Seminars [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 8,178 | 13,742 | 21,547 | 30,814
Memberships/Subscriptions [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 7,798 | 5,055 | 15,793 | 9,922
Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,091 | 6,284 | 2,403 | 12,534
Medical and Healthcare [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 234,396 | 220,180 | 453,222 | 427,667
Medical and Healthcare [Member] | Higher Education [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 234,144 | 214,153 | 452,433 | 415,606
Medical and Healthcare [Member] | Test Preparation/Certifications [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Medical and Healthcare [Member] | Conferences/Seminars [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Medical and Healthcare [Member] | Memberships/Subscriptions [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Medical and Healthcare [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 252 | 6,027 | 789 | 12,061
Financial Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 48,715 | 45,992 | 98,130 | 93,118
Financial Services [Member] | Higher Education [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Financial Services [Member] | Test Preparation/Certifications [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 31,900 | 26,938 | 59,176 | 51,909
Financial Services [Member] | Conferences/Seminars [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 8,178 | 13,742 | 21,547 | 30,814
Financial Services [Member] | Memberships/Subscriptions [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 7,798 | 5,055 | 15,793 | 9,922
Financial Services [Member] | Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 839 | $ 257 | $ 1,614 | $ 473

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