Investments (Tables)

6 Months Ended

Apr. 30, 2017

Investments Table [Abstract]

Summary of investments

(in thousands)		April 30, 2017		October 31, 2016
Investment securities, trading:
Short-term debt securities	$	66,591	$	85,822
Consolidated sponsored funds		424,440		248,036
Separately managed accounts		88,408		79,683
Total investment securities, trading		579,439		413,541
Investment securities, available-for-sale		10,712		13,312
Investments in non-consolidated CLO entities		2,928		3,837
Investments in equity method investees		137,911		139,929
Investments, other		19,131		19,154
Total investments	$	750,121	$	589,773

Summary of investments classified as trading securities

(in thousands)		April 30, 2017		October 31, 2016
Short-term debt securities	$	66,591	$	85,822
Other debt securities		299,248		191,688
Equity securities		213,600		136,031
Total investment securities, trading	$	579,439	$	413,541

Summary of investments classified as available-for-sale securities

April 30, 2017				Gross Unrealized
(in thousands)	Cost		Gains		Losses		Fair Value
Investment securities, available-for-sale	$	4,861	$	5,859	$	(8)	$	10,712
October 31, 2016				Gross Unrealized
(in thousands)	Cost		Gains		Losses		Fair Value
Investment securities, available-for-sale	$	8,528	$	4,798	$	(14)	$	13,312

Summary of realized gains and losses recognized upon disposition of investments classified as available-for-sale

	Three Months Ended				Six Months Ended
	April 30,				April 30,
(in thousands)	2017		2016		2017		2016
Gains	$	-	$	64	$	204	$	199
Losses		(1)		(37)		(1)		(37)
Net realized gains (losses)	$	(1)	$	27	$	203	$	162