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Restructuring and Related Charges (Credits), Pretax Restructuring Charges (Credits) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jul. 31, 2022 | Jul. 31, 2021
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges | [1] | $ 22,441 | $ (276)
Initial pretax restructuring charge |  | 20,000 |
Fiscal Year 2023 Restructuring Program [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | $ 21,741 |
Percentage reduction in real estate square footage occupancy |  | 17.00% |
Initial pretax restructuring charge |  | $ 20,000 |
Fair value of operating lease ROU assets and property and equipment immediately subsequent to impairment |  | 2,400 |
Fiscal Year 2023 Restructuring Program [Member] | Severance and Termination Benefits [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 12,097 |
Fiscal Year 2023 Restructuring Program [Member] | Impairment of Operating Lease ROU Assets and Property and Equipment [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 6,106 |
Fiscal Year 2023 Restructuring Program [Member] | Impairment of Operating Lease ROU Assets Related to Certain Leases [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 2,900 |
Fiscal Year 2023 Restructuring Program [Member] | Impairment of Operating Lease ROU Assets Related to Property and Equipment [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 3,200 |
Fiscal Year 2023 Restructuring Program [Member] | Acceleration of Expense Related to Operating Lease ROU Assets and Property and Equipment [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 1,840 |
Fiscal Year 2023 Restructuring Program [Member] | Acceleration of Expense of Operating Lease ROU Assets Related to Certain Leases [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 900 |
Fiscal Year 2023 Restructuring Program [Member] | Acceleration of Expense of Operating Lease ROU Assets Related to Property and Equipment [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 900 |
Fiscal Year 2023 Restructuring Program [Member] | Facility Related Charges, Net [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 1,698 |
Fiscal Year 2023 Restructuring Program [Member] | Research [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 81 |
Fiscal Year 2023 Restructuring Program [Member] | Academic & Professional Learning [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 5,914 |
Fiscal Year 2023 Restructuring Program [Member] | Education Services [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 830 |
Fiscal Year 2023 Restructuring Program [Member] | Corporate Expenses [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 14,916 |
Business Optimization Program [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 700 | (276)
Restructuring and related charges incurred to date |  | 65,535 |
Business Optimization Program [Member] | Severance and Termination Benefits [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | (114) | (614)
Restructuring and related charges incurred to date |  | 35,005 |
Business Optimization Program [Member] | Impairment of Operating Lease ROU Assets and Property and Equipment [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 0 | 0
Restructuring and related charges incurred to date |  | 15,079 |
Business Optimization Program [Member] | Acceleration of Expense Related to Operating Lease ROU Assets and Property and Equipment [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 0 | 0
Restructuring and related charges incurred to date |  | 3,378 |
Business Optimization Program [Member] | Facility Related Charges, Net [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 814 | 338
Restructuring and related charges incurred to date |  | 10,333 |
Business Optimization Program [Member] | Other Activities [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 0 | 0
Restructuring and related charges incurred to date |  | 1,740 |
Business Optimization Program [Member] | Research [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 0 | 216
Restructuring and related charges incurred to date |  | 3,882 |
Business Optimization Program [Member] | Academic & Professional Learning [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | (124) | 171
Restructuring and related charges incurred to date |  | 13,126 |
Business Optimization Program [Member] | Education Services [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 3 | (34)
Restructuring and related charges incurred to date |  | 4,316 |
Business Optimization Program [Member] | Corporate Expenses [Member] |  |  |
Summary of pretax restructuring charges [Abstract] |  |  |
Restructuring and related charges |  | 821 | $ (629)
Restructuring and related charges incurred to date |  | $ 44,211 |
[1] | See Note 9, “Restructuring and Related Charges (Credits)” for these charges by segment.

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