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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, 2020 | May 31, 2019 | May 31, 2018
Allowance for doubtful accounts [Member] |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | $ 11.6 | $ 12.4 | $ 13.7
Expensed | 15.6 | 7.0 | 9.5
Write-Offs and Other | 7.3 | 7.8 | 10.8
Balance at End of Year | 19.9 | 11.6 | 12.4
Reserve For Return [Member] |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 34.5 | 30.0 | 36.3
Expensed | 76.7 | 67.2 | 54.5
Write-Offs and Other | 67.7 | 62.7 | 60.8
Balance at End of Year | 43.5 | 34.5 | 30.0
Reserves for obsolescence [Member] |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 72.9 | 67.5 | 71.9
Expensed | 34.3 | 20.8 | 18.4
Write-Offs and Other | 16.1 | 15.4 | 22.8
Balance at End of Year | 91.1 | 72.9 | 67.5
Reserve for royalty advances [Member] |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 102.9 | 97.0 | 93.8
Expensed | 8.1 | 6.8 | 4.1
Write-Offs and Other | 1.5 | 0.9 | 0.9
Balance at End of Year | $ 109.5 | $ 102.9 | $ 97.0

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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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