Investments (Tables)

3 Months Ended

Jan. 31, 2018

Investments Table [Abstract]

Summary of investments

(in thousands)		January 31, 2018		October 31, 2017
Investment securities, trading:
Short-term debt securities	$	207,450	$	213,537
Consolidated sponsored funds		500,766		401,726
Separately managed accounts		103,050		93,113
Total investment securities, trading		811,266		708,376
Investment securities, available-for-sale		23,447		22,465
Investments in non-consolidated CLO entities		23,860		3,609
Investments in equity method investees		152,324		144,911
Investments, other		18,841		18,831
Total investments(1)	$	1,029,738	$	898,192
(1) Excludes bank loan investments held by a consolidated warehouse-stage CLO entity, which is discussed in Note 5.

Summary of investments classified as trading securities

(in thousands)		January 31, 2018		October 31, 2017
Short-term debt securities	$	207,450	$	213,537
Other debt securities		400,792		313,351
Equity securities		203,024		181,488
Total investment securities, trading	$	811,266	$	708,376

Summary of investments classified as available-for-sale securities

January 31, 2018			Gross Unrealized
(in thousands)		Cost		Gains		Losses		Fair Value
Investment securities, available-for-sale	$	15,776	$	7,688	$	(17)	$	23,447
October 31, 2017			Gross Unrealized
(in thousands)		Cost		Gains		Losses		Fair Value
Investment securities, available-for-sale	$	15,755	$	6,718	$	(8)	$	22,465

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

	Three Months Ended
	January 31,
(in thousands)		2018		2017
Gains	$	5	$	203
Losses		-		-
Net realized gains	$	5	$	203