Summary of Significant Accounting Policies (Tables)

12 Months Ended

Oct. 31, 2019

Summary of Significant Accounting Policies [Abstract]

Summary of retrospective adoption of ASU 2014-09

	October 31, 2018
(in thousands)		As Previously Reported		Reclassification		As Restated
Revenue:
Management fees	$	1,481,896	$	(22,710)	$	1,459,186
Distribution and underwriter fees		80,478		16,893		97,371
Service fees		123,500		(1,269)		122,231
Other revenue		16,375		(2,741)		13,634
Total revenue		1,702,249		(9,827)		1,692,422
Expenses:
Compensation and related costs		604,631		-		604,631
Distribution expense		141,418		23,615		165,033
Service fee expense		113,337		(6,506)		106,831
Amortization of deferred sales
commissions		18,394		-		18,394
Fund-related expenses		64,538		(26,936)		37,602
Other expenses		204,729		-		204,729
Total expenses		1,147,047		(9,827)		1,137,220
Operating income	$	555,202	$	-	$	555,202

	October 31, 2017
(in thousands)		As Previously Reported		Reclassification		As Restated
Revenue:
Management fees	$	1,318,141	$	(9,121)	$	1,309,020
Distribution and underwriter fees		78,776		16,777		95,553
Service fees		119,962		(2,442)		117,520
Other revenue		12,131		(2,113)		10,018
Total revenue		1,529,010		3,101		1,532,111
Expenses:
Compensation and related costs		553,952		-		553,952
Distribution expense		132,873		24,039		156,912
Service fee expense		112,519		(7,071)		105,448
Amortization of deferred sales
commissions		16,239		-		16,239
Fund-related expenses		48,995		(13,867)		35,128
Other expenses		181,674		-		181,674
Total expenses		1,046,252		3,101		1,049,353
Operating income	$	482,758	$	-	$	482,758