XML 37 R26.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Reserves for Losses and Loss Adjustment Expenses (Tables)
3 Months Ended
Mar. 31, 2024
Insurance [Abstract]  
Reserves for Losses and Loss Adjustment Expenses
The following table provides a reconciliation of reserves for losses and loss adjustment expenses (“LAE”):
SuccessorPredecessor
(in millions)Three Months Ended
March 31, 2024
Three Months Ended
March 31, 2023
Net reserves - beginning of the year$2,747.1 $2,213.1 
Add:
Losses and LAE incurred during current calendar year, net of reinsurance:
Current accident year195.2 236.0 
Prior accident years24.8 48.6 
Losses and LAE incurred during calendar year, net of reinsurance220.0 284.6 
Deduct:
Losses and LAE payments made during current calendar year, net of reinsurance:
Current accident year6.7 36.8 
Prior accident years174.8 149.1 
Losses and LAE payments made during current calendar year, net of reinsurance:181.5 185.9 
Add/(Deduct):
Divestitures (1)
— 24.4 
Retroactive reinsurance (2)
— 21.7 
Total net reserve adjustments— 46.1 
Foreign exchange adjustments(1.3)2.1 
Net reserves - end of period2,784.3 2,360.0 
Add:
Reinsurance recoverables on unpaid losses and LAE, end of period2,758.8 2,824.1 
Gross reserves - end of period$5,543.1 $5,184.1 
(1)For the three months ended March 31, 2023, the adjustment relates to the quarterly activity of Syndicate 1200 and on reinsurance contracts with AUA subsidiaries. Refer to the sale of Argo Underwriting Agency Limited in Note 1, “Business and Significant Accounting Policies” for additional information.
(2) In connection with the sale of AUA, the Company entered into two retroactive reinsurance agreements with AUA subsidiaries.
Impact from (Favorable) Unfavorable Development of Prior Accident Years’ Loss and LAE Reserves on Each Reporting Segment
The impact from the unfavorable (favorable) development of prior accident years’ loss and LAE reserves on each reporting segment is presented below: 
SuccessorPredecessor
(in millions)Three Months Ended
March 31, 2024
Three Months Ended
March 31, 2023
U.S. Operations$13.6 $39.7 
International Operations10.9 7.8 
Run-off Lines0.3 1.1 
Total unfavorable (favorable) prior-year development$24.8 $48.6