| --- | --- | |--------------|-------| | | | | O Principal® | | Use of non-GAAP financial measures A non-GAAP financial measure is a numerical measure of performance, financial position, or cash flow that includes adjustments from a comparable financial measure presented in accordance with U.S. GAAP. The company uses a number of non-GAAP financial measures management believes are useful to investors because they illustrate the performance of the company's normal, ongoing operations which is important in und ...