| Dec 31,
2011 | Dec 31,
2012 | Dec 31,
2013 | Dec 31,
2014 | Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Net income | 14 | 1 | 1 | 3 | 5 | 6 | -2 | 24 | 34 | 46 | 45 | 55 | 66 | 77 |
|---|
| Deferred income taxes | -13 | -0 | 0 | 1 | -0 | -2 | 11 | 3 | 8 | 4 | 4 | -4 | -10 | -10 |
|---|
| Depreciation, Depletion and Amortization | 2 | 3 | 5 | 6 | 6 | 7 | 7 | 9 | 11 | 13 | 15 | 16 | 19 | 19 |
|---|
| Amortization of intangible assets | 1 | 2 | 3 | 3 | 3 | 5 | 5 | 4 | 5 | 6 | 10 | 12 | 16 | 24 |
|---|
| Provision for credit losses | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 3 | 6 | 5 | 3 | 6 | 8 |
|---|
| Stock-based compensation | 2 | 3 | 4 | 5 | 6 | 8 | 13 | 13 | 15 | 19 | 28 | 33 | 46 | 55 |
|---|
| Other, net | - | - | - | - | - | - | 0 | 0 | 1 | 0 | -0 | -0 | -2 | -1 |
|---|
| Accounts receivable | 3 | 2 | 1 | 4 | 4 | 4 | 6 | 5 | 7 | 6 | 5 | 6 | 12 | 10 |
|---|
| Deferred costs | 2 | 2 | 2 | 5 | 3 | 5 | 7 | 6 | 1 | 3 | 9 | 11 | 11 | 3 |
|---|
| Other assets and liabilities | - | - | - | - | - | - | - | - | - | - | - | - | -2 | 7 |
|---|
| Accounts payable | 0 | 0 | -0 | 1 | -2 | -0 | 1 | 1 | -0 | 1 | 2 | 0 | -4 | 1 |
|---|
| Accrued compensation | 2 | 1 | 2 | 2 | 1 | 2 | 2 | 4 | 0 | -1 | 7 | -4 | 7 | 1 |
|---|
| Accrued expenses | 0 | 2 | -0 | 1 | -0 | 1 | 1 | -0 | 1 | 1 | 1 | -3 | 1 | 4 |
|---|
| Deferred revenue | - | - | - | - | - | - | - | 7 | 6 | 4 | 14 | 6 | 6 | 1 |
|---|
| Operating leases | - | - | - | - | - | - | - | - | 1 | -1 | 3 | -2 | -2 | -2 |
|---|
| Net cash provided by operating activities | 4 | 7 | 18 | - | - | - | - | 55 | 72 | 89 | 113 | 100 | 132 | 157 |
|---|
| Purchases of property and equipment | 3 | 6 | 6 | 8 | 9 | 8 | 7 | 14 | 14 | 16 | 20 | 20 | 20 | 20 |
|---|
| Purchases of investments | - | - | - | - | - | - | 48 | 82 | 74 | 75 | 121 | 160 | 134 | 86 |
|---|
| Maturities of investments | - | - | - | - | - | - | 33 | 82 | 84 | 69 | 111 | 159 | 131 | 143 |
|---|
| Acquisition of businesses, net | 11 | 26 | - | 13 | - | 18 | - | - | - | - | - | - | 70 | 148 |
|---|
| Net cash used in investing activities | -13 | -32 | -6 | - | - | - | - | -40 | -14 | -120 | -47 | -113 | -93 | -110 |
|---|
| Repurchases of common stock | - | - | - | - | - | - | 6 | 20 | 21 | 19 | 20 | 43 | - | 38 |
|---|
| Proceeds from Stock Options Exercised | 1 | 2 | 4 | 2 | 4 | 4 | 1 | 14 | 6 | 19 | 9 | 5 | 10 | 5 |
|---|
| Proceeds from Stock Plans | - | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 5 | 7 | 8 | 10 |
|---|
| Payments for contingent consideration | - | - | - | - | - | - | - | - | - | - | 2 | - | 2 | - |
|---|
| Net cash provided by (used in) financing activities | 0 | 59 | 53 | - | - | - | - | -4 | -12 | 2 | -8 | -32 | 16 | -23 |
|---|
| Effect of foreign currency exchange rate changes | - | - | - | - | - | - | - | -0 | 0 | 0 | 0 | -0 | 1 | -2 |
|---|
| Net increase (decrease) in cash and cash equivalents | - | - | - | - | - | - | - | 11 | 45 | -30 | 58 | -45 | 56 | 22 |
|---|
| Income Taxes Paid, Net | - | - | - | - | - | - | 1 | 2 | 2 | 2 | 10 | 16 | 29 | 27 |
|---|
| Contingent consideration related to acquisition | - | - | - | - | - | - | - | - | - | - | - | 2 | - | - |
|---|