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Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 2017
Income Tax Disclosure [Abstract] |
Schedule of differences between U.S. statutory rate and effective rate | The primary differences between the U.S. statutory rate and our effective rate are as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
U.S. statutory rate | 35.0 | % |  | 35.0 | % |  | 35.0 | % |  | 35.0 | %
Foreign provision | 79.7 |  |  | (8.3 | ) |  | (5.5 | ) |  | (9.3 | )
Change in tax position (1) | (459.7 | ) |  | — |  |  | (28.3 | ) |  | — |
Other | (19.0 | ) |  | 1.6 |  |  | (3.1 | ) |  | 0.3 |
Effective rate | (364.0 | )% |  | 28.3 | % |  | (1.9 | )% |  | 26.0 | %
(1) | We consider all available evidence, both positive and negative, when determining whether a valuation allowance is required against deferred tax assets. Due to weaker near term outlook and financial results primarily associated with our Robotics segment, we currently do not anticipate generating sufficient foreign source income to fully utilize our foreign tax credits prior to their expiration. We have concluded that it is more likely than not that previously benefited deferred tax assets on foreign tax credits will not be realized. As a result of this change in tax position, we recorded a tax charge of $6.3 million in June 2017, which is comprised of a $2.8 million valuation allowance attributable to a foreign tax credit carryforward from 2015 and a $3.5 million charge attributable to the decision to deduct foreign taxes related to 2016 and 2017.

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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