v3.25.2
Loss and loss adjustment expense reserves (Tables)
6 Months Ended
Jun. 30, 2025
Insurance [Abstract]  
Schedule of Loss and Loss Adjustment Expense Reserves
The following table represents the activity in the loss and loss adjustment expense reserves for the six months ended June 30, 2025 and 2024:
June 30, 2025June 30, 2024
Gross reserves for loss and loss adjustment expenses, beginning of period$5,653.9 $5,608.1 
Less: loss and loss adjustment expenses recoverable, beginning of period(2,315.3)(2,295.1)
Less: deferred gains on retroactive reinsurance contracts8.5 27.5 
Net reserves for loss and loss adjustment expenses, beginning of period3,347.1 3,340.5 
Increase (decrease) in net loss and loss adjustment expenses incurred in respect of losses occurring in:
     Current year817.3 721.9 
     Prior years(42.9)(40.0)
Total incurred loss and loss adjustment expenses774.4 681.9 
Net loss and loss adjustment expenses paid in respect of losses occurring in:
     Current year(297.9)(94.4)
     Prior years(325.7)(511.2)
Total net paid losses(623.6)(605.6)
Foreign currency translation55.6 20.5 
Net reserves for loss and loss adjustment expenses, end of period3,553.5 3,437.3 
Plus: loss and loss adjustment expenses recoverable, end of period2,263.9 2,191.5 
Plus: deferred gains on retroactive reinsurance (1)
— (22.8)
Gross reserves for loss and loss adjustment expenses, end of period$5,817.4 $5,606.0 
(1)Deferred charges on retroactive reinsurance are recorded in Other assets on the Company’s consolidated balance sheets. Deferred gains on retroactive reinsurance are presented as a separate line item on the Company’s consolidated balance sheets.