Reconciliation of Non-GAAP Financial MeasuresAdjusted Operating Income Reconciliation Adjusted Operating Income is a non-GAAP measure that reflects the Company's Operating Income before the impact of IPO-related expenses, expenses terminated in connection with the IPO and non-cash items. Adjusted Operating Income is not a measure of financial performance under generally accepted accounting principles ("GAAP"). Adjusted Operating Income should not be considered in isolation or as a substitute for Operating Income or other profitability data prepared in accordance with GAAP. Adjusted Operating Income, as presented, may not be comparable to similarly titled measures of other companies. Set forth below is a reconciliation of Adjusted Operating Income to Operating Income.
|Reconciliation of Adjusted Operating Income from Operating Income|
|Amounts in thousands|
|Three Months Ended Mar. 31,|
|Operating income||$ 93,290||$ 114,242||-18.3%|
|Amortization of acquired intangible assets||13,961||14,878|
|Sponsor management/termination fee||25,000||1,000|
|Adjusted operating income||$ 138,416||$ 130,253||6.3%|