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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | Schedule II - VALUATION AND QUALIFYING ACCOUNTS
|  |  | Additions - |  |  |  |  |  |  |  |
| Balance at |  | Charged to |  | Acquisitions |  | Deductions - |  |  |  | Balance
| Beginning of |  | Costs and |  | and |  | See Notes |  |  |  | At End of
| Period |  | Expenses |  | Disposals (a) |  | Below |  |  |  | Period
| (in millions)
Year Ended December 31, 2017: |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 3.1 |  |  | $ | 4.6 |  |  | $ | 2.1 |  |  | $ | 2.8 |  |  | (1) |  | $ | 7.0 |
Allowance for deferred taxes | 164.8 |  |  | 26.6 |  |  | 13.7 |  |  | 24.7 |  |  | (3) |  | 180.4 |
Inventory valuation allowance | 14.8 |  |  | 39.1 |  |  | 9.2 |  |  | 45.8 |  |  | (2) |  | 17.3 |
Year Ended December 31, 2018: |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | 7.0 |  |  | 6.6 |  |  | — |  |  | 5.2 |  |  | (1) |  | 8.4 |
Allowance for deferred taxes | 180.4 |  |  | 12.9 |  |  | — |  |  | 10.0 |  |  | (4) |  | 183.3 |
Inventory valuation allowance | 17.3 |  |  | 22.2 |  |  | — |  |  | 25.1 |  |  | (2) |  | 14.4 |
Year Ended December 31, 2019: |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | 8.4 |  |  | 13.2 |  |  | (0.8 | ) |  | 12.8 |  |  | (1) |  | 8.0 |
Allowance for deferred taxes | 183.3 |  |  | 25.4 |  |  | — |  |  | 12.7 |  |  | (5) |  | 196.0 |
Inventory valuation allowance | 14.4 |  |  | 31.0 |  |  | 1.4 |  |  | 26.3 |  |  | (2) |  | 20.5 |
(a) | Amounts represent reserves recognized in conjunction with our acquisitions in 2019 and 2017, as well as reserves derecognized in conjunction with the Casting Sale in 2019.
(1) | Uncollectible accounts charged off, net of recoveries.
(2) | Primarily relates to write-offs of excess and obsolete inventories, as well as adjustments for physical quantity discrepancies.
(3) | Reflects an increase related to valuation allowances of MPG that existed as of the acquisition date and the impact of tax reform resulting from the 2017 Act. This was partially offset by the reversal of certain state valuation allowances as a result of re-evaluating our state valuation allowances subsequent to the acquisition of MPG.
(4) | Primarily reflects a reduction in deferred tax assets at various foreign locations due to foreign currency translation.
(5) Primarily reflects the reversal of a valuation allowance against certain deferred tax assets in foreign locations, as well as changes due to foreign currency translation.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 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) -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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