Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Comprehensive (loss) income
Net (loss) income	$ (121.3)	$ 104.1
Other comprehensive (loss)
Change in foreign currency translation, net of tax	(63.4)	(27.8)
Total other comprehensive (loss)	(63.4)	(27.8)
Comprehensive (loss) income	(184.7)	76.3
Income attributable to non-controlling interests	(0.2)	(0.4)
Comprehensive (loss) income attributable to Sirius Group	$ (184.9)	$ 75.9