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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2019
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, 2019 and 2018 are:
| Three Months Ended March 31,
| 2019 |  | 2018
Net income | $ | 113,981 |  |  | $ | 139,838 |
Shares used to compute basic earnings per common share | 153,310,000 |  |  | 157,434,000 |
Dilutive effect of stock options | 3,231,000 |  |  | 5,990,000 |
Shares used to compute diluted earnings per common share | 156,541,000 |  |  | 163,424,000 |
Basic earnings per common share | $ | 0.74 |  |  | $ | 0.89 |
Diluted earnings per common share | $ | 0.73 |  |  | $ | 0.86 |
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:
| 2019 |  | 2018
Net income | $ | 113,981 |  |  | $ | 139,838 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation | 7,331 |  |  | 7,122 |
Amortization | 12,679 |  |  | 11,854 |
Equity in earnings of unconsolidated affiliate | (37,317 | ) |  | (40,607 | )
Distributions received from unconsolidated affiliate | 33,237 |  |  | 45,617 |
Stock-based compensation | 5,038 |  |  | 5,195 |
Provision for losses on receivables | (85 | ) |  | 93 |
Deferred income tax expense | (984 | ) |  | 2,083 |
Net (gain) loss from investments | (1,279 | ) |  | 410 |
Change in other long-term liabilities | 277 |  |  | 579 |
Change in other assets | 1,334 |  |  | 290 |
Contract costs capitalized, net of amortization | (138 | ) |  | (1,234 | )
Other | (63 | ) |  | 450 |
Change in current assets and liabilities |  |  |
(Increase) decrease in |  |  |
Receivables from investment products | (2,693 | ) |  | 1,757 |
Receivables | (18,304 | ) |  | (25,657 | )
Other current assets | 574 |  |  | (3,564 | )
(Decrease) increase in |  |  |
Accounts payable | (5,678 | ) |  | 3,195 |
Accrued liabilities | (47,836 | ) |  | (43,522 | )
Deferred revenue | (175 | ) |  | 275 |
Total adjustments | (54,082 | ) |  | (35,664 | )
Net cash provided by operating activities | $ | 59,899 |  |  | $ | 104,174 |

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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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