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Schedule IV - Reinsurance
 12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]  
Reinsurance
Sirius International Insurance Group, Ltd.
Schedule IV
Reinsurance
For the years ended December 31, 2019, 2018, and 2017
(Millions)
 
 
 
 
 
 
Direct
gross

Ceded to
other
companies

Assumed from other
companies

Net amount
Percentage of amount
assumed to net
Year ended December 31, 2019
$
511.2

$
400.1

$
1,391.5

$
1,502.6

93
%
Year ended December 31, 2018
454.5

463.9

1,366.5

1,357.1

101
%
Year ended December 31, 2017
450.2

349.1

989.1

1,090.2

91
%