Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Comprehensive income
Net income	$ 104.1	$ 43.3
Other comprehensive (loss)
Change in foreign currency translation, net of tax	(27.8)	(13.4)
Total other comprehensive (loss)	(27.8)	(13.4)
Comprehensive income	76.3	29.9
Net (income) attributable to non-controlling interests	(0.4)	(0.2)
Comprehensive income attributable to Sirius Group	$ 75.9	$ 29.7