| Net Income | 66,635 | 62,360 | 39,098 | 23,200 | 39,370 | 29,146 | |
| Depreciation & Amortization | 16,024 | 15,498 | 11,178 | 8,686 | 7,967 | 6,862 | |
| Asset Writedown & Restructuring Costs | 383 | 383 | 2,208 | 3,559 | - | - | |
| Loss (Gain) From Sale of Investments | - | - | - | - | - | 33 | |
| Stock-Based Compensation | 17,275 | 16,690 | 14,027 | 11,992 | 9,164 | 6,536 | |
| Other Operating Activities | -5,593 | -4,651 | 766 | -2,645 | 482 | -1,107 | |
| Change in Accounts Receivable | -1,201 | -1,485 | -2,399 | 231 | -3,110 | -1,512 | |
| Change in Accounts Payable | 451 | 373 | 51 | 210 | 1,436 | -17 | |
| Change in Other Net Operating Assets | 2,134 | 2,160 | 6,184 | 5,242 | 2,374 | -1,194 | |
| Operating Cash Flow | 96,108 | 91,328 | 71,113 | 50,475 | 57,683 | 38,747 | |
| Operating Cash Flow Growth | 25.86% | 28.43% | 40.89% | -12.50% | 48.87% | 6.70% | |
| Capital Expenditures | -43,797 | -37,256 | -27,045 | -31,186 | -18,690 | -15,163 | |
| Sale of Property, Plant & Equipment | - | - | - | - | 123 | 48 | |
| Cash Acquisitions | -270 | -270 | -629 | -1,312 | -851 | -388 | |
| Investment in Securities | -14,470 | -9,753 | 3,202 | 3,532 | 12,179 | -14,520 | |
| Other Investing Activities | 111 | 129 | -23 | -4 | -331 | -36 | |
| Investing Cash Flow | -58,426 | -47,150 | -24,495 | -28,970 | -7,570 | -30,059 | |
| Long-Term Debt Issued | - | 10,432 | 8,455 | 9,921 | - | - | |
| Total Debt Issued | 10,432 | 10,432 | 8,455 | 9,921 | - | - | |
| Long-Term Debt Repaid | - | -1,969 | -1,058 | -850 | -677 | -604 | |
| Total Debt Repaid | -2,405 | -1,969 | -1,058 | -850 | -677 | -604 | |
| Net Debt Issued (Repaid) | 8,027 | 8,463 | 7,397 | 9,071 | -677 | -604 | |
| Repurchase of Common Stock | -43,362 | -43,895 | -26,786 | -31,551 | -50,052 | -9,836 | |
| Common Dividends Paid | -5,128 | -5,072 | - | - | - | - | |
| Other Financing Activities | -46 | -277 | -111 | 344 | 1 | 148 | |
| Financing Cash Flow | -40,509 | -40,781 | -19,500 | -22,136 | -50,728 | -10,292 | |
| Foreign Exchange Rate Adjustments | -386 | -786 | 113 | -638 | -474 | 279 | |
| Net Cash Flow | -3,213 | 2,611 | 27,231 | -1,269 | -1,089 | -1,325 | |
| Free Cash Flow | 52,311 | 54,072 | 44,068 | 19,289 | 38,993 | 23,584 | |
| Free Cash Flow Growth | 5.17% | 22.70% | 128.46% | -50.53% | 65.34% | 11.18% | |
| Free Cash Flow Margin | 30.71% | 32.87% | 32.67% | 16.54% | 33.06% | 27.43% | |
| Free Cash Flow Per Share | 20.08 | 20.69 | 16.76 | 7.14 | 13.64 | 8.17 | |
| Cash Interest Paid | 717 | 486 | 448 | - | - | - | |
| Cash Income Tax Paid | 10,372 | 10,554 | 6,607 | 6,407 | 8,525 | 4,229 | |
| Levered Free Cash Flow | 36,659 | 36,095 | 32,037 | 15,856 | 28,745 | 16,013 | |
| Unlevered Free Cash Flow | 37,177 | 36,542 | 32,316 | 15,972 | 28,760 | 16,013 | |
| Change in Net Working Capital | -2,702 | 1,027 | -3,527 | -5,508 | -1,098 | 2,641 | |