Revenues (Tables)

12 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Operating revenues by geographic area

Operating revenues by geographic area were as follows:

(in millions)	United States		Luxembourg		Americas Excluding United States		Asia- Pacific		Europe, Middle East and Africa, Excluding Luxembourg		Total
for the fiscal year ended September 30, 2021
Investment management fees	$	4,647.7	$	1,075.0	$	285.6	$	333.3	$	200.0	$	6,541.6
Sales and distribution fees	1,137.4		395.8		52.5		46.1		3.7		1,635.5
Shareholder servicing fees	164.7		36.1		0.2		6.6		3.6		211.2
Other	29.2		1.0		—		1.9		5.1		37.2
Total	$	5,979.0	$	1,507.9	$	338.3	$	387.9	$	212.4	$	8,425.5

(in millions)	United States		Luxembourg		Americas Excluding United States		Asia- Pacific		Europe, Middle East and Africa, Excluding Luxembourg		Total
for the fiscal year ended September 30, 2020
Investment management fees	$	2,482.5	$	910.1	$	269.2	$	217.6	$	102.3	$	3,981.7
Sales and distribution fees	928.8		366.1		51.9		13.6		1.6		1,362.0
Shareholder servicing fees	158.6		25.5		0.3		8.4		2.3		195.1
Other	24.9		1.2		—		0.6		1.0		27.7
Total	$	3,594.8	$	1,302.9	$	321.4	$	240.2	$	107.2	$	5,566.5

(in millions)	United States		Luxembourg		Americas Excluding United States		Asia- Pacific		Europe, Middle East and Africa, Excluding Luxembourg		Total
for the fiscal year ended September 30, 2019
Investment management fees	$	2,260.6	$	1,064.7	$	325.4	$	241.8	$	92.7	$	3,985.2
Sales and distribution fees	941.3		437.2		63.3		1.3		1.5		1,444.6
Shareholder servicing fees	175.7		30.1		0.1		10.4		—		216.3
Other	18.6		1.5		—		1.0		2.2		23.3
Total	$	3,396.2	$	1,533.5	$	388.8	$	254.5	$	96.4	$	5,669.4