2021 2020 2019 2018 2017 Revenue $3.41B$2.64B$3.09B$3.16B$3.04B Cost of Revenue $1.84B$1.71B$1.76B$1.74B$1.88B Gross Profit $1.57B$927.44M$1.34B$1.42B$1.15B Gross Profit Margin 46.04%35.13%43.23%44.94%37.96% Operating Expenses $802.27M$744.36M$722.17M$668.15M$436.57M Research & Development Expenses (R&D) $0$0$0$0$0 Selling, General & Administrative Expenses (SG&A) $802.27M$744.36M$722.17M$668.15M$374.19M Other Expenses $0$0$0$0$62.38M Net Income $583.79M$-7.53M$422.51M$613.15M$408.94M Net Profit Margin 17.1%-0.29%13.65%19.4%13.47% Operating Income $769.63M$183.08M$615.79M$752.05M$715.98M Other Income & Expenses (Net) $-100.89M$-186.46M$-70.63M$-83.32M$-86.7M Depreciation & Amortization $156.85M$169.54M$166.69M$183.29M$182.17M Interest Income $0$14.25M$16.51M$6.86M$3.83M Interest Expense $106.87M$96.09M$87.05M$89.37M$92.95M Income Tax Expense $78.52M$-9.53M$99.9M$41.82M$208.37M Effective Tax Rate 11.74%0%18.33%6.25%33.11% EBITDA $926.04M$248.57M$776.16M$927.64M$892.43M EBIT $769.18M$79.04M$609.46M$744.34M$710.27M EBT N/AN/AN/AN/AN/A Shares Outstanding 186.83M196.7M205.37M208.82M212.81M Diluted Shares Outstanding 188.78M198.11M206.72M210.21M214.09M EPS $3.11$-0.04$2.05$2.93$1.92 Diluted EPS $3.08$-0.04$2.04$2.91$1.91