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Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Revenues: |  |  |  |  |
Commissions |  | $ 162,612 | $ 171,272 | $ 510,150 | $ 551,306
Principal transactions |  | 87,010 | 117,002 | 299,570 | 364,376
Investment banking |  | 181,904 | 144,799 | 494,017 | 378,582
Asset management and service fees |  | 179,848 | 144,206 | 515,501 | 433,305
Interest |  | 117,862 | 74,881 | 327,766 | 203,488
Other income |  | 9,558 | 9,209 | 25,508 | 33,804
Total revenues |  | 738,794 | 661,369 | 2,172,512 | 1,964,861
Interest expense |  | 17,625 | 19,383 | 50,165 | 50,756
Net revenues | [1] | 721,169 | 641,986 | 2,122,347 | 1,914,105
Non-interest expenses: |  |  |  |  |
Compensation and benefits |  | 448,410 | 434,236 | 1,338,673 | 1,305,372
Occupancy and equipment rental |  | 57,427 | 62,453 | 167,864 | 178,455
Communications and office supplies |  | 34,650 | 31,182 | 102,686 | 105,268
Commissions and floor brokerage |  | 11,232 | 10,777 | 33,187 | 34,653
Other operating expenses |  | 61,311 | 75,356 | 209,581 | 202,669
Total non-interest expenses |  | 613,030 | 614,004 | 1,851,991 | 1,826,417
Income from operations before income tax expense |  | 108,139 | 27,982 | 270,356 | 87,688
Provision for income taxes |  | 41,603 | 10,168 | 85,497 | 33,048
Net income |  | 66,536 | 17,814 | 184,859 | 54,640
Preferred dividends |  | 2,343 | 1,563 | 7,031 | 1,563
Net income available to common shareholders |  | $ 64,193 | $ 16,251 | $ 177,828 | $ 53,077
Earnings per common share: |  |  |  |  |
Basic |  | $ 0.94 | $ 0.24 | $ 2.60 | $ 0.79
Diluted |  | $ 0.79 | $ 0.21 | $ 2.21 | $ 0.69
Weighted-average number of common shares outstanding: |  |  |  |  |
Basic |  | 68,522 | 66,482 | 68,488 | 66,950
Diluted |  | 80,881 | 77,544 | 80,562 | 76,612
[1] | No individual client accounted for more than 10 percent of total net revenues for the three and nine months ended September 30, 2017 or 2016.

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