Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 21.6	$ 2.5	$ 82.7	$ 57.3
Other comprehensive income (loss):
Amortization related to derivative securities, net of tax	0.6	0.6	1.2	1.2
Foreign currency translation adjustment	(0.6)	(1.6)	(0.1)	(0.8)
Total other comprehensive income (loss)	0.0	(1.0)	1.1	0.4
Comprehensive income (loss) attributable to non-controlling interests in consolidated Funds	(6.4)	0.4	2.0	(2.1)
Total comprehensive income attributable to controlling interests	$ 28.0	$ 1.1	$ 81.8	$ 59.8