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v3.21.2

Description of the Business, Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Millions |  | 12 Months Ended | 38 Months Ended
--- | --- | --- | ---
Mar. 27, 2019 | May 31, 2021 USD ($) segment | May 31, 2020 USD ($) | May 31, 2019 USD ($) | May 31, 2021 USD ($) segment
Property, Plant and Equipment [Line Items] |  |  |  |  |
Number of countries in which entity operates |  | 165 |  |  | 165
Allowance for doubtful accounts receivable |  | $ 21.4 | $ 19.9 |  | $ 21.4
Capitalized computer software, net |  | 59.4 | 52.3 |  | 59.4
Capitalized computer software, amortization expense |  | $ 27.6 | 27.3 | $ 25.3 |
Useful life of intangible assets |  | 5 years 4 months 24 days |  |  |
Royalty advances, net |  | $ 115.5 | 109.5 |  | $ 115.5
Reporting units subject to goodwill impairment | segment |  | 7 |  |  | 7
Advertising expense |  | $ 60.1 | 85.2 | 106.8 |
Capitalized costs |  | 4.6 | 11.9 |  | $ 4.6
Hosting Arrangement, Service Contract, Implementation Cost, Expense, Amortization |  | $ 0.7 | 0.0 |  |
Amount of stock repurchased in period |  |  | $ 35.5 | $ 8.5 |
Board Authorized 2018 Share Repurchase Program |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Amount of stock repurchased in period |  |  |  |  | $ 32.7
Make Believe Ideas Limited (MBI) |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions | 95.00% |  |  |  |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions | 95.00% |  |  |  |
Make Believe Ideas Limited (MBI) | Make Believe Ideas Limited (MBI) |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Noncontrolling ownership percentage | 5.00% |  |  |  |
Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Initial term |  | 3 years |  |  |
Maximum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Initial term |  | 10 years |  |  |
Building |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciable life |  | 40 years |  |  |
Building Improvements |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciable life |  | 25 years |  |  |
Capitalized Software | Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciable life |  | 3 years |  |  |
Capitalized Software | Maximum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciable life |  | 7 years |  |  |
Furniture and Fixtures |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciable life |  | 10 years |  |  |
Customer Lists | Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life of intangible assets |  | 5 years |  |  |
Customer Lists | Maximum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life of intangible assets |  | 10 years |  |  |
Prepublication Costs | Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life of intangible assets |  | 2 years |  |  |
Prepublication Costs | Maximum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life of intangible assets |  | 5 years |  |  |
Intellectual Property |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life of intangible assets |  | 5 years |  |  |

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