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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS For the years ended December: (in millions)
Description |  | Balance at Beginning of Period |  | Charged to Expenses |  | Write-offs |  | Other |  | Balance at End of Period |
Allowance for doubtful accounts |  |  |  |  |  |  |  |  |  |  |
2017 |  | $ | 10.0 |  |  | $ | 1.3 |  |  | $ | (9.2 | ) |  | $ | — |  |  | $ | 2.1 |  | (1)
2016 |  | $ | 7.2 |  |  | $ | 3.6 |  |  | $ | (0.8 | ) |  | $ | — |  |  | $ | 10.0 |  | (2)
2015 |  | $ | 3.7 |  |  | $ | 6.7 |  |  | $ | (3.4 | ) |  | $ | 0.2 |  |  | $ | 7.2 |  |
Allowance for sales returns |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  | $ | 1.6 |  |  | $ | 1.8 |  |  | $ | — |  |  | $ | (1.6 | ) | (3) | $ | 1.8 |  |
2016 |  | $ | 3.5 |  |  | $ | 1.6 |  |  | $ | — |  |  | $ | (3.5 | ) | (3) | $ | 1.6 |  |
2015 |  | $ | 7.8 |  |  | $ | 3.5 |  |  | $ | — |  |  | $ | (7.8 | ) | (3) | $ | 3.5 |  |
Allowance for inventory returns |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  | $ | (0.8 | ) |  | $ | (0.9 | ) |  | $ | — |  |  | $ | 0.8 |  | (3) | $ | (0.9 | ) |
2016 |  | $ | (2.7 | ) |  | $ | (0.8 | ) |  | $ | — |  |  | $ | 2.7 |  | (3) | $ | (0.8 | ) |
2015 |  | $ | (6.4 | ) |  | $ | (2.7 | ) |  | $ | — |  |  | $ | 6.4 |  | (3) | $ | (2.7 | ) |
Allowance for deferred tax assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  | $ | 69.7 |  |  | $ | (28.6 | ) |  | $ | (3.0 | ) |  | $ | (19.2 | ) |  | $ | 18.9 |  |
2016 |  | $ | 64.0 |  |  | $ | 6.0 |  |  | $ | (1.9 | ) |  | $ | 1.6 |  |  | $ | 69.7 |  |
2015 |  | $ | 35.8 |  |  | $ | 28.6 |  |  | $ | — |  |  | $ | (0.4 | ) |  | $ | 64.0 |  |
(1) | Excludes approximately $0.4 million of reserves related to non-trade receivables.
(2) | Excludes approximately $5.6 million of reserves related to notes receivable and tax refund receivables.
(3) | Amounts represent gross revenue and cost reversals to the estimated sales returns and allowances accounts.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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- References No definition available. + Details
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