Revenue (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

Revenue by asset class for the three and six months ended June 30, 2019 and 2018 were (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
U.S. equity	$	40.0	$	45.5	$	80.4	$	93.1
Global / non-U.S. equity	116.0		126.2		232.9		254.8
Fixed income	6.5		6.8		12.9		13.6
Alternatives	43.4		47.9		87.2		109.9
Management fee revenue	$	205.9	$	226.4	$	413.4	$	471.4