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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |  |  |
Reserves related to notes receivable and tax refund receivables |  | $ 5.6 |  |  |
Allowance for Doubtful Accounts [Member] |  |  |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  | 9.8 |  | $ 6.5 | $ 5.8
Charged to Expenses |  | 4.6 |  | 7.9 | 8.9
Write-offs |  | (3.1) |  | (4.8) | (8.3)
Other |  | 0.0 |  | 0.2 | 0.1
Balance at End of Period |  | 11.3 | [1] | 9.8 | 6.5
Allowance for Sales Returns [Member] |  |  |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  | 5.9 |  | 9.3 | 10.9
Charged to Expenses |  | 2.4 |  | 5.9 | 9.3
Write-offs |  | 0.0 |  | 0.0 | 0.0
Other | [2] | (5.9) |  | (9.3) | (10.9)
Balance at End of Period |  | 2.4 |  | 5.9 | 9.3
Allowance for Inventory Returns [Member] |  |  |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  | (4.9) |  | (7.8) | (9.2)
Charged to Expenses |  | (1.6) |  | (4.9) | (7.8)
Write-offs |  | 0.0 |  | 0.0 | 0.0
Other | [2] | 4.9 |  | 7.8 | 9.2
Balance at End of Period |  | (1.6) |  | (4.9) | (7.8)
Allowance for Deferred Tax Assets, Noncurrent [Member] |  |  |  |  |
Allowance for sales returns and doubtful accounts [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  | 80.6 |  | 48.8 | 39.7
Charged to Expenses |  | 9.4 |  | 35.8 | 9.1
Write-offs |  | (1.9) |  | 0.0 | 0.0
Other |  | 1.6 |  | (4.0) | 0.0
Balance at End of Period |  | $ 89.7 |  | $ 80.6 | $ 48.8
[1] | Excludes approximately $5.6 million of reserves related to notes receivable and tax refund receivables.
[2] | Amounts represent gross revenue and cost reversals to the estimated sales returns and allowances accounts.

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