XML 48 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies (Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Accounting Policies [Abstract]        
Net income $ 101,739 $ 86,704 $ 282,245 $ 245,206
Depreciation 6,948 6,576 20,347 19,457
Amortization 13,745 11,388 38,332 33,684
Equity in earnings of unconsolidated affiliate (39,333) (32,565) (109,213) (92,042)
Distributions received from unconsolidated affiliate     117,447 102,246
Stock-based compensation 7,088 4,066 19,527 12,044
Provision for losses on receivables     176 338
Deferred income tax expense     1,143 (1,521)
Gain from sale of SEI AK $ 0 $ 0 0 (2,791)
Net gain from investments     (1,036) (320)
Tax benefit on stock options exercised (1)     0 5,941
Change in other long-term liabilities     106 2,706
Change in other assets     79 (2,463)
Other     1,067 602
Decrease (increase) in Receivables from investment products     10,800 (685)
Decrease (increase) in Receivables     (43,661) (25,037)
Decrease (increase) in Other current assets     (2,962) (4,072)
Increase (decrease) in Accounts payable     (1,748) 2,497
Increase (decrease) in Accrued liabilities     (15,856) (6,945)
Increase (decrease) in Deferred revenue     (409) 589
Total adjustments     34,139 44,228
Net cash provided by operating activities     $ 316,384 $ 289,434