RELATED PARTIES (Tables)

9 Months Ended

Sep. 30, 2021

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

Revenue for services provided to related managed funds are as follows:

	Three months ended September 30,		Nine months ended September 30,
$ in millions	2021	2020	2021	2020
Affiliated operating revenues:
Investment management fees	1,156.4	987.2	3,374.7	2,975.2
Service and distribution fees	393.3	338.9	1,139.2	1,004.8
Performance fees	—	—	5.8	3.4
Other	54.9	46.4	177.0	149.4
Total affiliated operating revenues	1,604.6	1,372.5	4,696.7	4,132.8