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
Comprehensive income
Net income	$ 8.2	$ 98.2	$ 112.3	$ 141.5
Other comprehensive income (loss)
Change in foreign currency translation, net of tax	1.1	(48.5)	(26.7)	(61.9)
Total other comprehensive income (loss)	1.1	(48.5)	(26.7)	(61.9)
Comprehensive income	9.3	49.7	85.6	79.6
Net (income) attributable to non-controlling interests	(0.8)	(0.4)	(1.2)	(0.6)
Comprehensive income attributable to Sirius Group	$ 8.5	$ 49.3	$ 84.4	$ 79.0