Income taxes	9 Months Ended
Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income taxes	Income taxes The effective tax rates for continuing operations of 31.5% and 3.2% for the nine months ended September 30, 2016 and September 30, 2015, respectively, were determined using an estimated annual effective tax rate and include, in 2016, the impact of discrete items of approximately $900,000. The effective tax rate for the 2016 period increased approximately 28.3% when compared to the same period of 2015, primarily due to the $15.4 million valuation allowance release recorded in 2015 and discussed in our Annual Report on Form 10-K for the year ended December 31, 2015. Due to the valuation allowance previously recorded against the Company's U.S. deferred tax assets, the effective tax rate for the nine months ended September 30, 2015, did not include the expense of the current period U.S. taxable income. As of the end of September 2016, the projected annual effective tax rate for 2016 is approximately 41.0%.

Income taxes

9 Months Ended

Sep. 30, 2016

The effective tax rates for continuing operations of 31.5% and 3.2% for the nine months ended September 30, 2016 and September 30, 2015, respectively, were determined using an estimated annual effective tax rate and include, in 2016, the impact of discrete items of approximately $900,000. The effective tax rate for the 2016 period increased approximately 28.3% when compared to the same period of 2015, primarily due to the $15.4 million valuation allowance release recorded in 2015 and discussed in our Annual Report on Form 10-K for the year ended December 31, 2015. Due to the valuation allowance previously recorded against the Company's U.S. deferred tax assets, the effective tax rate for the nine months ended September 30, 2015, did not include the expense of the current period U.S. taxable income. As of the end of September 2016, the projected annual effective tax rate for 2016 is approximately 41.0%.