Income Taxes	6 Months Ended
Jun. 30, 2017
Income Taxes
Income Taxes	Note 10. Income Taxes Income tax expense relates principally to operating results of foreign entities in jurisdictions, primarily in Europe and Asia, where the Company earns taxable income. The Company has significant net operating losses in the United States and certain other tax jurisdictions and, as a result, does not pay significant income taxes in those jurisdictions. In the first quarter of 2017, the Company adopted Accounting Standard Update (ASU) 2016-09, “Compensation — Stock Compensation.” See Note 13 for further discussion. As a result of the implementation of this ASU, the Company recorded a net tax benefit of approximately $2.6 million primarily due to $2.8 million in excess tax benefits on the exercise of nonqualified stock options and the vesting of restricted stock during the three months ended June 30, 2017. During the first quarter of 2017, the statute of limitations expired with respect to certain tax positions for which the Company had previously recorded a reserve. The related tax reserve of $0.3 million and accrued interest of $0.2 million that had been recorded were reversed during the six month period ended June 30, 2017. At December 31, 2016, the Company had $124.0 million of deferred tax assets worldwide relating to net operating loss carryforwards, tax credit carryforwards and other temporary differences, which are available to reduce income taxes in future years. With the exception of the deferred tax assets recognized related to the excess tax benefits stated above, the Company maintains a 100% domestic valuation allowance, reducing the carrying value of those deferred tax assets in the United States to zero. The Company will continue to maintain a full valuation allowance for those tax assets until accounting principles require the release of the allowance based on expectations of continuing profitability.

Income Taxes

6 Months Ended

Jun. 30, 2017

Note 10. Income Taxes

Income tax expense relates principally to operating results of foreign entities in jurisdictions, primarily in Europe and Asia, where the Company earns taxable income. The Company has significant net operating losses in the United States and certain other tax jurisdictions and, as a result, does not pay significant income taxes in those jurisdictions.

In the first quarter of 2017, the Company adopted Accounting Standard Update (ASU) 2016-09, “Compensation — Stock Compensation.” See Note 13 for further discussion. As a result of the implementation of this ASU, the Company recorded a net tax benefit of approximately $2.6 million primarily due to $2.8 million in excess tax benefits on the exercise of nonqualified stock options and the vesting of restricted stock during the three months ended June 30, 2017.

During the first quarter of 2017, the statute of limitations expired with respect to certain tax positions for which the Company had previously recorded a reserve. The related tax reserve of $0.3 million and accrued interest of $0.2 million that had been recorded were reversed during the six month period ended June 30, 2017.

At December 31, 2016, the Company had $124.0 million of deferred tax assets worldwide relating to net operating loss carryforwards, tax credit carryforwards and other temporary differences, which are available to reduce income taxes in future years. With the exception of the deferred tax assets recognized related to the excess tax benefits stated above, the Company maintains a 100% domestic valuation allowance, reducing the carrying value of those deferred tax assets in the United States to zero. The Company will continue to maintain a full valuation allowance for those tax assets until accounting principles require the release of the allowance based on expectations of continuing profitability.