XML 114 R86.htm IDEA: XBRL DOCUMENT v3.6.0.2
Loss And Loss Adjustment Expense Reserves Incurred and Paid Claims Development with IBNR and Claim Counts (Details)
$ in Millions
Dec. 31, 2016
USD ($)
claim
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Claims Development [Line Items]          
Liabilities for claims and claim adjustment expenses, net of reinsurance $ 8,800.0        
Commercial Lines - Physical Damage | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,413.8        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,367.6        
All outstanding liabilities before 2012, net of reinsurance 0.4        
Liabilities for claims and claim adjustment expenses, net of reinsurance 46.6        
Commercial Lines - Liability | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 4,577.0        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,922.5        
All outstanding liabilities before 2012, net of reinsurance 20.8        
Liabilities for claims and claim adjustment expenses, net of reinsurance 1,675.3        
Property | Property Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,872.4        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,653.6        
All outstanding liabilities before 2012, net of reinsurance 5.9        
Liabilities for claims and claim adjustment expenses, net of reinsurance 224.7        
2012 | Commercial Lines - Physical Damage | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 267.8 $ 267.6 $ 268.4 $ 267.7 $ 266.6
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 0.0        
Cumulative Number of Incurred Claim Counts | claim 65,804        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 267.6 267.8 267.3 266.9 247.6
2012 | Commercial Lines - Liability | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 794.8 807.8 810.7 827.4 800.1
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 0.0        
Cumulative Number of Incurred Claim Counts | claim 78,425        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 759.9 715.8 621.5 465.4 228.6
2012 | Property | Property Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 253.5 252.9 260.8 273.4 296.4
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 1.5        
Cumulative Number of Incurred Claim Counts | claim 33,236        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 250.2 248.4 242.4 229.7 178.0
2013 | Commercial Lines - Physical Damage | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 253.7 254.5 254.2 256.2  
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (0.5)        
Cumulative Number of Incurred Claim Counts | claim 62,654        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 253.7 253.9 253.1 239.4  
2013 | Commercial Lines - Liability | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 865.0 865.4 864.6 864.2  
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 23.3        
Cumulative Number of Incurred Claim Counts | claim 78,090        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 752.5 659.1 509.4 233.3  
2013 | Property | Property Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 254.1 254.3 283.3 307.3  
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 3.3        
Cumulative Number of Incurred Claim Counts | claim 30,578        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 249.5 244.9 234.2 185.1  
2014 | Commercial Lines - Physical Damage | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 238.6 239.7 240.3    
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (0.1)        
Cumulative Number of Incurred Claim Counts | claim 59,616        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 237.7 238.3 224.6    
2014 | Commercial Lines - Liability | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 820.3 795.4 822.5    
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 22.6        
Cumulative Number of Incurred Claim Counts | claim 74,675        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 610.0 438.7 234.0    
2014 | Property | Property Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 379.7 389.1 415.5    
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 9.5        
Cumulative Number of Incurred Claim Counts | claim 40,957        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 365.9 351.5 269.2    
2015 | Commercial Lines - Physical Damage | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 274.1 274.4      
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (0.8)        
Cumulative Number of Incurred Claim Counts | claim 62,609        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 271.9 248.5      
2015 | Commercial Lines - Liability | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 911.1 897.6      
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 51.0        
Cumulative Number of Incurred Claim Counts | claim 77,263        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 501.5 238.4      
2015 | Property | Property Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 416.5 460.0      
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 31.7        
Cumulative Number of Incurred Claim Counts | claim 41,788        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 372.8 280.3      
2016 | Commercial Lines - Physical Damage | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 379.6        
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (4.6)        
Cumulative Number of Incurred Claim Counts | claim 74,810        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 336.7        
2016 | Commercial Lines - Liability | Commercial Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,185.8        
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 168.4        
Cumulative Number of Incurred Claim Counts | claim 89,830        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 298.6        
2016 | Property | Property Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 568.6        
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 98.1        
Cumulative Number of Incurred Claim Counts | claim 50,159        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 415.2        
Agency Channel | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 18,370.3        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 14,873.4        
All outstanding liabilities before 2012, net of reinsurance 59.0        
Liabilities for claims and claim adjustment expenses, net of reinsurance 3,555.9        
Agency Channel | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 10,607.9        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 10,578.1        
All outstanding liabilities before 2012, net of reinsurance 0.3        
Liabilities for claims and claim adjustment expenses, net of reinsurance 30.1        
Agency Channel | 2012 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 3,352.4 3,395.0 3,385.5 3,375.9 3,372.5
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 0.1        
Cumulative Number of Incurred Claim Counts | claim 691,743        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 3,308.4 3,238.2 3,070.2 2,690.0 1,673.7
Agency Channel | 2012 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,958.0 1,956.0 1,956.6 1,954.5 1,948.7
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 0.0        
Cumulative Number of Incurred Claim Counts | claim 1,302,848        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,957.1 1,957.9 1,958.1 1,958.4 1,903.9
Agency Channel | 2013 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 3,528.0 3,518.2 3,520.9 3,506.0  
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 53.9        
Cumulative Number of Incurred Claim Counts | claim 696,614        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 3,362.9 3,173.1 2,794.1 1,684.0  
Agency Channel | 2013 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,999.4 2,000.1 2,001.4 2,014.0  
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (2.4)        
Cumulative Number of Incurred Claim Counts | claim 1,347,820        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,001.3 2,002.0 2,003.9 1,952.7  
Agency Channel | 2014 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 3,633.2 3,627.7 3,702.1    
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 57.3        
Cumulative Number of Incurred Claim Counts | claim 701,611        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 3,284.5 2,868.1 1,809.0    
Agency Channel | 2014 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,089.9 2,090.3 2,107.5    
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (2.0)        
Cumulative Number of Incurred Claim Counts | claim 1,374,623        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,090.6 2,091.6 2,078.8    
Agency Channel | 2015 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 3,773.8 3,774.9      
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 142.1        
Cumulative Number of Incurred Claim Counts | claim 702,917        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,976.0 1,793.1      
Agency Channel | 2015 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,137.2 2,136.8      
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (4.6)        
Cumulative Number of Incurred Claim Counts | claim 1,336,089        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,138.1 2,106.2      
Agency Channel | 2016 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 4,082.9        
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 555.6        
Cumulative Number of Incurred Claim Counts | claim 724,842        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,941.6        
Agency Channel | 2016 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,423.4        
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (87.4)        
Cumulative Number of Incurred Claim Counts | claim 1,387,512        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,391.0        
Direct Channel | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 15,166.8        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 11,979.4        
All outstanding liabilities before 2012, net of reinsurance 31.7        
Liabilities for claims and claim adjustment expenses, net of reinsurance 3,219.1        
Direct Channel | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 9,671.9        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 9,661.0        
All outstanding liabilities before 2012, net of reinsurance 0.3        
Liabilities for claims and claim adjustment expenses, net of reinsurance 11.2        
Direct Channel | 2012 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,471.6 2,488.2 2,480.0 2,469.1 2,507.4
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (0.1)        
Cumulative Number of Incurred Claim Counts | claim 526,665        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,438.3 2,385.0 2,264.4 1,972.4 1,221.9
Direct Channel | 2012 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,558.1 1,557.0 1,557.3 1,556.5 1,562.4
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 0.0        
Cumulative Number of Incurred Claim Counts | claim 1,314,480        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,557.9 1,558.4 1,559.1 1,560.2 $ 1,540.1
Direct Channel | 2013 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,649.8 2,615.8 2,621.8 2,619.4  
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 40.9        
Cumulative Number of Incurred Claim Counts | claim 550,135        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,521.3 2,375.5 2,085.1 1,252.0  
Direct Channel | 2013 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,633.4 1,634.6 1,635.6 1,653.7  
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (2.3)        
Cumulative Number of Incurred Claim Counts | claim 1,367,281        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,635.3 1,636.2 1,638.2 $ 1,612.9  
Direct Channel | 2014 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,898.1 2,887.4 2,946.8    
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 44.0        
Cumulative Number of Incurred Claim Counts | claim 592,017        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,624.2 2,278.0 1,413.0    
Direct Channel | 2014 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 1,861.7 1,862.2 1,889.3    
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (2.2)        
Cumulative Number of Incurred Claim Counts | claim 1,470,879        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,862.7 1,864.1 $ 1,874.6    
Direct Channel | 2015 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 3,328.3 3,330.5      
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 122.4        
Cumulative Number of Incurred Claim Counts | claim 656,712        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,615.0 1,545.2      
Direct Channel | 2015 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,097.7 2,110.7      
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (5.7)        
Cumulative Number of Incurred Claim Counts | claim 1,539,503        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,100.1 $ 2,094.7      
Direct Channel | 2016 | Personal Lines - Liability | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 3,819.0        
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ 488.9        
Cumulative Number of Incurred Claim Counts | claim 722,585        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 1,780.6        
Direct Channel | 2016 | Personal Lines - Physical Damage | Personal Lines Segment          
Claims Development [Line Items]          
Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance 2,521.0        
Total of IBNR Liabilities Plus Expected Development on Reported Claims $ (115.0)        
Cumulative Number of Incurred Claim Counts | claim 1,673,575        
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance $ 2,505.0