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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |
Reserves related to notes receivable and tax refund receivables | $ 5.6 | $ 5.6 | $ 5.6
Reserves related to non trade receivables |  |  | 0.4
Allowance for doubtful accounts |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |
Balance at Beginning of Period | 1.0 | 1.1 | 9.1
Charged to Expenses | 1.0 | 0.7 | 1.0
Write-offs | (0.8) | (0.8) | (9.0)
Other | 0.0 | 0.0 | 0.0
Balance at End of Period | 1.2 | 1.0 | 1.1
Allowance for sales returns(4) |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |
Balance at Beginning of Period |  | 1.4 | 1.4
Charged to Expenses |  |  | 1.4
Write-offs |  |  | 0.0
Other |  |  | (1.4)
Balance at End of Period |  |  | 1.4
Allowance for inventory returns(5) |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |
Balance at Beginning of Period |  | (0.5) | (0.6)
Charged to Expenses |  |  | (0.5)
Write-offs |  |  | 0.0
Other |  |  | 0.6
Balance at End of Period |  |  | (0.5)
Allowance for deferred tax assets |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |
Balance at Beginning of Period | 18.3 | 18.3 | 69.0
Charged to Expenses | (0.3) | (0.3) | (28.6)
Write-offs | 0.0 | 0.0 | (2.9)
Other | (1.2) | 0.3 | (19.2)
Balance at End of Period | $ 16.8 | $ 18.3 | $ 18.3

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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) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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