2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 Operating Cash Flow $651.55M$678.96M$206.92M$198.93M$67.42M$46.76M$29.21M$12.09M$16.54M$9.68M Net Income $493.51M$349.25M$95.89M$77.49M$81.8M$-29.9M$-54.06M$-15.24M$-796K$-2.38M Depreciation & Amortization $74.27M$58.19M$48.03M$26.74M$27.2M$22.52M$18.55M$17.22M$12.38M$7.93M Deferred Income Tax $-88.95M$2.2M$-15.25M$-22.41M$-47.97M$17.13M$17.13M$-817K$0$-736K Stock-Based Compensation $139.91M$65.11M$44.4M$38.23M$26.56M$15.9M$10.84M$10.05M$3.83M$4.09M Change In Working Capital $23.88M$124.2M$9.99M$59.35M$-1.24M$-513K$9.32M$263K$-960K$-1.39M Other Non-Cash Items $8.94M$80.01M$23.85M$19.53M$-18.92M$21.61M$27.43M$611K$2.08M$2.17M Cash From Investing $-1.56B$-11.38M$-488.37M$-285.39M$61.84M$-135.43M$-23.28M$-20.72M$-15.03M$-28.88M Purchases Of Investments $-418.52M$-499.24M$-661.82M$-514.29M$-62.35M$-160.5M$-26.04M$-21.7M$-39K$-16.08M Sales / Maturities of Investments $590.63M$495.85M$461.1M$284.94M$137.34M$80.7M$23.59M$20.59M$2.76M$1.35M Property, Plant & Equipment Investments $-28.17M$-7.11M$-15.28M$-20.56M$-13.16M$-47.75M$-20.84M$-9.58M$-17.07M$-13.95M Net Acquisitions $-1.7B$0$-270.41M$0$0$-7.88M$0$-4.69M$-675K$-200K Other Investing Activites $-1.94M$-880K$-1.96M$-35.49M$0$0$0$-5.34M$0$0 Cash From Financing $452.75M$119.28M$359.61M$144.01M$3.44M$5.81M$199.61M$45.24M$-103K$42.97M Debt Repayment $-52.76M$-146.38M$-10.83M$-16.22M$-13.68M$-6.09M$-3.38M$-1.48M$-1.26M$-1.39M Dividend Payments $0$0$0$0$0$0$0$0$0$0 Payout Ratio 0%0%0%0%0%0%0%0%0%0% Net Common Stock Repurchased $302.77M$268.65M$176.99M$134.65M$16.72M$1.26M$-199.47M$-35M$188K$60K Common Stock Repurchased $-302.77M$-268.65M$-176.99M$-134.65M$-16.72M$-1.26M$0$0$-188K$-60K Common Stock Issued $302.77M$268.65M$176.99M$134.65M$16.72M$1.26M$-199.47M$-35M$188K$60K Other Financing Activites $808.29M$534.31M$547.42M$294.87M$33.84M$13.15M$3.52M$11.72M$1.35M$44.42M Accounts Receivables $-103.2M$-112.68M$-35.83M$40.65M$-22.3M$-19.1M$-15.76M$-10.17M$-7.74M$-6.3M Accounts Payables $69.77M$104.69M$22.22M$-10.07M$16.31M$7.33M$15.75M$4.93M$4.71M$4.6M Inventory $0$0$0$0$0$0$0$0$0$0 Other Working Capital $1.44M$3.31M$191K$1.33M$434K$964K$1.28M$693K$794K$395K Capital Expenditure (CAPEX) $-28.17M$-7.99M$-17.24M$-56.05M$-13.16M$-47.75M$-20.84M$-9.58M$-17.07M$-13.95M Effect Of Foreign Exchange On Cash $-10.23M$13.95M$-1.85M$-6M$1.16M$-6.79M$-3.95M$-3.74M$446K$-27K Net Change In Cash $-463.9M$800.81M$76.31M$51.54M$133.85M$-89.65M$201.59M$32.86M$1.86M$23.75M Free Cash Flow (FCF) $623.38M$670.97M$189.68M$142.88M$54.26M$-991K$8.38M$2.5M$-530K$-4.26M Free Cash Flow To Equity (FCFE) $570.62M$524.59M$178.85M$126.65M$40.58M$-7.08M$5M$1.02M$-1.79M$-5.65M