For the three months ended March 31, 2019 and 2018 total share-based compensation expense was $33.0 million and $17.2 million, respectively.
Earnings per Share
Basic earnings per share is computed by dividing net income attributable to Worldpay, Inc. by the weighted average shares outstanding during the period. Diluted earnings per share is computed by dividing net income attributable to Worldpay, Inc., adjusted as necessary for the impact of potentially dilutive securities, by the weighted-average shares outstanding during the period and the impact of securities that would have a dilutive effect on earnings per share. See Note 11 - Net Income Per Share for further discussion.
The Company does not intend to pay cash dividends on its Class A common stock in the foreseeable future. Worldpay, Inc. is a holding company that does not conduct any business operations of its own. As a result, Worldpay, Inc.’s ability to pay cash dividends on its common stock, if any, is dependent upon cash dividends and distributions and other transfers from Worldpay Holding. The amounts available to Worldpay, Inc. to pay cash dividends are subject to the covenants and distribution restrictions in its subsidiaries’ loan agreements. As a result of the restrictions on distributions from Worldpay Holding and its subsidiaries, essentially all of the Company’s consolidated net assets are held at the subsidiary level and are restricted as of March 31, 2019.
Income taxes are computed in accordance with ASC 740, Income Taxes, and reflect the net tax effects of temporary differences between the financial reporting carrying amounts of assets and liabilities and the corresponding income tax amounts. The Company has deferred tax assets and liabilities and maintains valuation allowances where it is more likely than not that all or a portion of deferred tax assets will not be realized. To the extent the Company determines that it will not realize the benefit of some or all of its deferred tax assets, such deferred tax assets will be adjusted through the Company’s provision for income taxes in the period in which this determination is made. As of March 31, 2019 and December 31, 2018, the Company recorded valuation allowances against deferred tax assets of $12.6 million related to net operating losses.
The Company’s consolidated interim effective tax rate is based upon expected annual income before applicable taxes, statutory tax rates and tax laws in the various jurisdictions in which the Company operates. Significant or unusual items, including adjustments to accruals for tax uncertainties, are recognized in the quarter in which the related event occurs.
The Company’s global effective tax rates were (1.1)% and 11.8% respectively, for the three months ended March 31, 2019 and 2018 and include the impact of the excess tax benefit relating to share-based compensation being recorded in income tax expense. The global effective tax rate for each period reflects the impact of the Company’s non-controlling interests not being taxed at the statutory U.S. corporate tax rates.
Cash and Cash Equivalents
Cash on hand and investments with original maturities of three months or less (that are readily convertible to cash) are considered to be cash equivalents. The Company has restricted cash held in money market accounts, which approximate fair value and are a level 1 input in the fair value hierarchy.