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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2020
Accounting Policies [Abstract] |
Calculation Of Basic And Diluted Earnings Per Share | The calculations of basic and diluted earnings per share for the three months ended March 31, 2020 and 2019 are:
| Three Months Ended March 31,
| 2020 |  | 2019
Net income | $ | 109,242 |  |  | $ | 113,981 |
Shares used to compute basic earnings per common share | 149,468,000 |  |  | 153,310,000 |
Dilutive effect of stock options | 2,900,000 |  |  | 3,231,000 |
Shares used to compute diluted earnings per common share | 152,368,000 |  |  | 156,541,000 |
Basic earnings per common share | $ | 0.73 |  |  | $ | 0.74 |
Diluted earnings per common share | $ | 0.72 |  |  | $ | 0.73 |
Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities | The following table provides the details of the adjustments to reconcile net income to net cash provided by operating activities for the three months ended March 31:
| 2020 |  | 2019
Net income | $ | 109,242 |  |  | $ | 113,981 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation | 7,473 |  |  | 7,331 |
Amortization | 13,077 |  |  | 12,679 |
Equity in earnings of unconsolidated affiliate | (29,907 | ) |  | (37,317 | )
Distributions received from unconsolidated affiliate | 52,036 |  |  | 33,237 |
Stock-based compensation | 6,929 |  |  | 5,038 |
Provision for losses on receivables | 80 |  |  | (85 | )
Deferred income tax expense | (1,879 | ) |  | (984 | )
Net loss (gain) from investments | 3,989 |  |  | (1,279 | )
Change in other long-term liabilities | 360 |  |  | 277 |
Change in other assets | (4,658 | ) |  | 1,334 |
Contract costs capitalized, net of amortization | (1,769 | ) |  | (138 | )
Other | (1,612 | ) |  | (63 | )
Change in current assets and liabilities |  |  |
(Increase) decrease in |  |  |
Receivables from investment products | 2,553 |  |  | (2,693 | )
Receivables | (17,852 | ) |  | (18,304 | )
Other current assets | (9,728 | ) |  | 574 |
(Decrease) increase in |  |  |
Accounts payable | 8,663 |  |  | (5,678 | )
Accrued liabilities | (36,818 | ) |  | (47,836 | )
Deferred revenue | (1,207 | ) |  | (175 | )
Total adjustments | (10,270 | ) |  | (54,082 | )
Net cash provided by operating activities | $ | 98,972 |  |  | $ | 59,899 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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