2021 2020 2019 2018 2017 Operating Cash Flow $549.48M$547.31M$499.94M$486.44M$430.44M Net Income $454.63M$433.89M$451.3M$419.38M$259.25M Depreciation & Amortization $106.87M$106.25M$78.97M$59.26M$67.68M Deferred Income Tax $-34.49M$-30.93M$-14.51M$-33.67M$-2.69M Stock-Based Compensation $166.34M$145.62M$116.19M$83.35M$53.15M Change In Working Capital $-154.63M$248.75M$130.07M$73.93M$124.7M Other Non-Cash Items $10.77M$-356.26M$-262.08M$-115.79M$-71.65M Cash From Investing $-536.81M$-614.25M$-833.55M$-313.68M$-97.44M Purchases Of Investments $0$0$0$0$0 Sales / Maturities of Investments $0$0$0$0$0 Property, Plant & Equipment Investments $0$0$0$0$0 Net Acquisitions $-510.81M$-572.33M$-787.2M$-283.03M$-63.88M Other Investing Activites $-26.01M$-41.92M$-46.35M$-30.65M$-33.56M Cash From Financing $-245.85M$96.6M$429.41M$-262.68M$-294.65M Debt Repayment $-45M$-75M$0$0$0 Dividend Payments $0$0$0$0$0 Payout Ratio 0%0%0%0%0% Net Common Stock Repurchased $134.68M$161.03M$59.12M$269.8M$336.04M Common Stock Repurchased $-134.68M$-161.03M$-59.12M$-269.8M$-336.04M Common Stock Issued $134.68M$161.03M$59.12M$269.8M$336.04M Other Financing Activites $-66.17M$332.63M$488.52M$7.13M$41.39M Accounts Receivables $-149.02M$-160.32M$-154.4M$-74.45M$-14.41M Accounts Payables $53.85M$21.36M$38.54M$19.92M$27.05M Inventory $0$0$0$0$0 Other Working Capital $26.55M$1.24B$990.41M$860.34M$786.41M Capital Expenditure (CAPEX) $-23.02M$-35.37M$-44.94M$-21.76M$-19.15M Effect Of Foreign Exchange On Cash $-11.82M$10.92M$-842K$-14.44M$20.68M Net Change In Cash $-245M$40.58M$94.95M$-104.36M$59.02M Free Cash Flow (FCF) $526.46M$511.94M$455M$464.68M$411.29M Free Cash Flow To Equity (FCFE) $481.46M$436.94M$455M$464.68M$411.29M