Income Taxes	3 Months Ended
Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income Taxes	7. INCOME TAXES The effective tax rate in the first quarter of 2019 was 27.4% compared to 30.5% in the same quarter of 2018. Discrete tax items, net in the first quarter of 2019 had an unfavorable impact of 0.5%. In the first quarter of 2018, discrete tax items, net had an unfavorable impact of 3.3%. The Company files income tax returns in the United States federal jurisdiction, and various states and non-U.S. jurisdictions. At any given time, the Company is undergoing tax audits in several tax jurisdictions covering multiple years. The Company is no longer subject to income tax examination by the U.S. federal income tax authorities for years prior to 2015. With few exceptions, the Company is no longer subject to income tax examination by U.S. state or local tax authorities or by non-U.S. tax authorities for years before 2010. As of March 31, 2019, the Company is not aware of any proposed income tax adjustments resulting from tax examinations that would have a material impact on the Company’s condensed consolidated financial statements. The conclusion of such audits could result in additional increases or decreases to unrecognized tax benefits in some future period or periods. During the first quarter of 2019, the Company recorded a net increase of $1.7 million to income tax reserves for unrecognized tax benefits based on tax positions related to the current year, including accruing additional interest related to unrecognized tax benefits of prior years. Of the total unrecognized tax benefits of $56.1 million recorded at March 31, 2019, $5.6 million is classified as current tax payable within Other current liabilities and $50.5 million is classified as non-current tax payable within Other non-current liabilities on the Condensed Consolidated Balance Sheet.

Income Taxes

3 Months Ended

Mar. 31, 2019

7. INCOME TAXES

The effective tax rate in the first quarter of 2019 was 27.4% compared to 30.5% in the same quarter of 2018. Discrete tax items, net in the first quarter of 2019 had an unfavorable impact of 0.5%. In the first quarter of 2018, discrete tax items, net had an unfavorable impact of 3.3%.

The Company files income tax returns in the United States federal jurisdiction, and various states and non-U.S. jurisdictions. At any given time, the Company is undergoing tax audits in several tax jurisdictions covering multiple years. The Company is no longer subject to income tax examination by the U.S. federal income tax authorities for years prior to 2015. With few exceptions, the Company is no longer subject to income tax examination by U.S. state or local tax authorities or by non-U.S. tax authorities for years before 2010.

As of March 31, 2019, the Company is not aware of any proposed income tax adjustments resulting from tax examinations that would have a material impact on the Company’s condensed consolidated financial statements. The conclusion of such audits could result in additional increases or decreases to unrecognized tax benefits in some future period or periods.

During the first quarter of 2019, the Company recorded a net increase of $1.7 million to income tax reserves for unrecognized tax benefits based on tax positions related to the current year, including accruing additional interest related to unrecognized tax benefits of prior years. Of the total unrecognized tax benefits of $56.1 million recorded at March 31, 2019, $5.6 million is classified as current tax payable within Other current liabilities and $50.5 million is classified as non-current tax payable within Other non-current liabilities on the Condensed Consolidated Balance Sheet.