Income Taxes	9 Months Ended
Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The income tax expense related to continuing operations for the three and nine months ended September 30, 2016 was $5.1 million and $14.9 million, respectively, compared with $7.0 million and $26.9 million for the three and nine months ended September 30, 2015, respectively. Additionally, there was no income tax benefit realized from the loss on the sale of the Company's equity method investment in the Infrastructure strategic venture, as a valuation allowance of $16.1 million was established to offset the deferred tax assets on the resulting capital loss carryforward, because the Company determined that it is not more likely than not that this benefit will be realized in the future. An income tax benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, based on technical merits, including resolutions of any related appeals or litigation processes. The unrecognized income tax benefit at September 30, 2016 was $6.0 million, including interest and penalties. Within the next twelve months, it is reasonably possible that no unrecognized income tax benefits will be recognized upon settlement of tax examinations and the expiration of various statutes of limitations.

Income Taxes

9 Months Ended

Sep. 30, 2016

The income tax expense related to continuing operations for the three and nine months ended September 30, 2016 was $5.1 million and $14.9 million, respectively, compared with $7.0 million and $26.9 million for the three and nine months ended September 30, 2015, respectively. Additionally, there was no income tax benefit realized from the loss on the sale of the Company's equity method investment in the Infrastructure strategic venture, as a valuation allowance of $16.1 million was established to offset the deferred tax assets on the resulting capital loss carryforward, because the Company determined that it is not more likely than not that this benefit will be realized in the future.

An income tax benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, based on technical merits, including resolutions of any related appeals or litigation processes. The unrecognized income tax benefit at September 30, 2016 was $6.0 million, including interest and penalties. Within the next twelve months, it is reasonably possible that no unrecognized income tax benefits will be recognized upon settlement of tax examinations and the expiration of various statutes of limitations.