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6. Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Tax Disclosure [Abstract] |
U.S. and international components of income before taxes [Table Text Block] | The U.S. and international components of income before taxes are as follows (in millions):
|  | Year Ended December 31,
|  | 2017 |  | 2016 |  | 2015
U.S. |  | $ | 72.8 |  |  | $ | (38.5 | ) |  | $ | 48.4 |
International |  | 25.0 |  |  | 80.1 |  |  | 97.4 |
Income before taxes |  | $ | 97.8 |  |  | $ | 41.6 |  |  | $ | 145.8 |
Provision for income taxes [Table Text Block] | The provision for income taxes consists of the following (in millions):
|  | Year Ended December 31,
|  | 2017 |  | 2016 |  | 2015
Current tax expense: |  |  |  |  |  |  |  |  |
U.S. Federal |  | $ | 6.7 |  |  | $ | 16.1 |  |  | $ | 8.7 |
State |  | 3.4 |  |  | 3.1 |  |  | 1.7 |
International |  | 32.0 |  |  | 30.4 |  |  | 34.1 |
Current tax expense |  | 42.1 |  |  | 49.6 |  |  | 44.5 |
Deferred tax (benefit) expense: |  |  |  |  |  |  |  |
U.S. Federal |  | (69.8 | ) |  | (42.4 | ) |  | 2.0 |
State |  | 4.3 |  |  | (2.8 | ) |  | 1.4 |
International |  | (19.3 | ) |  | (6.0 | ) |  | (7.1 | )
Deferred tax benefit |  | (84.8 | ) |  | (51.2 | ) |  | (3.7 | )
Non-current tax expense (benefit) |  | 18.3 |  |  | 17.2 |  |  | (4.2 | )
(Benefit from) provision for income taxes |  | $ | (24.4 | ) |  | $ | 15.6 |  |  | $ | 36.6 |
Reconcilation of effective tax rate on inocme before taxes and statutory rate [Table Text Block] | The reconciliation between our effective tax rate on income before taxes and the statutory tax rate is as follows:
|  | Year Ended December 31,
|  | 2017 |  | 2016 |  | 2015
U. S. statutory tax rate |  | 35 | % |  | 35 | % |  | 35 | %
Impact of foreign operations |  | 7 |  |  | (15 | ) |  | (4 | )
Foreign dividends, net |  | — |  |  | (40 | ) |  | (4 | )
Research tax credits |  | (4 | ) |  | (9 | ) |  | (2 | )
Nontaxable subsidies |  | (2 | ) |  | (4 | ) |  | (1 | )
Tax settlements and changes to unrecognized tax benefits |  | — |  |  | 47 |  |  | (3 | )
Goodwill impairment |  | — |  |  | 11 |  |  | — |
Domestic manufacturing deduction |  | — |  |  | (4 | ) |  | (2 | )
Stock-based compensation |  | (5 | ) |  | 3 |  |  | 1 |
Nondeductible executive compensation |  | 2 |  |  | 3 |  |  | 1 |
Fines and penalties |  | — |  |  | 2 |  |  | — |
Prior period adjustments |  | — |  |  | 4 |  |  | 3 |
U.S. taxation of foreign income |  | 3 |  |  | 2 |  |  | — |
Acquisition-related |  | 10 |  |  | — |  |  | — |
U.S. tax reform |  | (71 | ) |  | — |  |  | — |
State taxes |  | 3 |  |  | 1 |  |  | 1 |
Other |  | (3 | ) |  | 1 |  |  | — |
(Benefit from) provision for income taxes |  | (25 | )% |  | 37 | % |  | 25 | %
Significant components of deferred tax assets and liabilities [Table Text Block] | Deferred tax assets and liabilities reflect the tax effects of losses, credits, and temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of deferred tax assets and liabilities are as follows (in millions):
|  | December 31,
|  | 2017 |  | 2016
Deferred tax assets: |  |  |  |  |  |
Bad debt, inventory and warranty accruals |  | $ | 28.6 |  |  | $ | 25.8 |
Other post-employment benefits, vacation and other reserves |  | 24.0 |  |  | 26.3 |
Tax credit and net operating loss carryforwards |  | 73.3 |  |  | 96.4 |
Other |  | 19.7 |  |  | 35.7 |
Total gross deferred tax assets |  | 145.6 |  |  | 184.2 |
Valuation allowance |  | (66.4 | ) |  | (66.4 | )
Total deferred tax assets |  | 79.2 |  |  | 117.8 |
Deferred tax liabilities: |  |  |  |
Property and equipment |  | 33.5 |  |  | 22.2 |
Investments and intangible assets |  | 219.1 |  |  | 287.8 |
Total deferred tax liabilities |  | 252.6 |  |  | 310.0 |
Net deferred tax liabilities |  | $ | (173.4 | ) |  | $ | (192.2 | )
Tabular reconcilation of total amounts of unrecognized tax benefits [Table Text Block] | The following is a tabular reconciliation of the total amounts of unrecognized tax benefits (in millions):
|  | 2017 |  | 2016 |  | 2015
Unrecognized tax benefits – January 1 |  | $ | 21.1 |  |  | $ | 11.9 |  |  | $ | 15.8 |
Additions to tax positions related to prior years |  | 1.3 |  |  | 10.4 |  |  | 0.7 |
Reductions to tax positions related to prior years |  | (1.0 | ) |  | — |  |  | (0.2 | )
Additions to tax positions related to the current year |  | 34.8 |  |  | 3.4 |  |  | 2.9 |
Settlements |  | (0.2 | ) |  | (2.4 | ) |  | (0.5 | )
Lapse of statute of limitations |  | (3.4 | ) |  | (2.3 | ) |  | (6.3 | )
Currency translation |  | 2.3 |  |  | 0.1 |  |  | (0.5 | )
Unrecognized tax benefits – December 31 |  | $ | 54.9 |  |  | $ | 21.1 |  |  | $ | 11.9 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of unrecognized tax benefits for which a material change is reasonably possible in the next twelve months, typically including the nature of the uncertainty, the event(s) that could cause a material change, and an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made. An unrecognized tax benefit is the difference between a tax position taken in a tax return and the amounts recognized in the financial statements for which it is more likely than not, based on the technical merits of the position, that the tax position will not be sustained upon examination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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