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Schedule II Valuation and Qualifying Accounts and Reserves Schedule II (Details) - USD ($) $ in Millions | 12 Months Ended
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May 31, 2021 | May 31, 2020 | May 31, 2019
Allowance for doubtful accounts |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance | $ 19.9 | $ 11.6 | $ 12.4
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 5.2 | 15.6 | 7.0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 3.7 | 7.3 | 7.8
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance | 21.4 | 19.9 | 11.6
Reserve For Return |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance | 43.5 | 34.5 | 30.0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 66.0 | 76.7 | 67.2
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 64.3 | 67.7 | 62.7
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance | 45.2 | 43.5 | 34.5
Reserves for obsolescence |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance | 91.1 | 72.9 | 67.5
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 36.6 | 34.3 | 20.8
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | 28.1 | 16.1 | 15.4
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance | 99.6 | 91.1 | 72.9
Reserve for royalty advances |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance | 109.5 | 102.9 | 97.0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense | 5.4 | 8.1 | 6.8
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | (0.6) | 1.5 | 0.9
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance | $ 115.5 | $ 109.5 | $ 102.9

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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