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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
The valuation of assets measured at fair value in the Company’s Consolidated Balance Sheet at December 31, 2018 is summarized below. The Company has no material liabilities that are measured and reported at fair value.
DOLLARS IN MILLIONS
 
Fair Value Measurements
 
 
 
Fair Value
Quoted Prices
in Active Markets
for Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Measured at Net Asset Value
 
Fixed Maturities:
 
 
 
 
 
 
 
 
 
 
U.S. Government and Government Agencies and Authorities
 
$
156.5

 
$
709.2

 
$

 

 
$
865.7

States and Political Subdivisions
 

 
1,619.1

 

 

 
1,619.1

Foreign Governments
 

 
5.9

 

 

 
5.9

Corporate Securities:
 
 
 
 
 
 
 
 
 
 
Bonds and Notes
 

 
3,011.2

 
382.6

 

 
3,393.8

Collateralized Loan Obligations
 

 
19.1

 
504.9

 

 
524.0

Other Mortgage- and Asset-backed
 

 
5.8

 
9.9

 

 
15.7

Total Investments in Fixed Maturities
 
156.5

 
5,370.3

 
897.4

 

 
6,424.2

Equity Securities at Fair Value:
 
 
 
 
 
 
 
 
 
 
Preferred Stocks:
 
 
 
 
 
 
 
 
 
 
Finance, Insurance and Real Estate
 

 
41.2

 

 

 
41.2

Other Industries
 

 
13.0

 

 

 
13.0

Common Stocks:
 
 
 
 
 
 
 
 
 
 
Finance, Insurance and Real Estate
 
10.2

 

 

 

 
10.2

Other Industries
 
0.2

 
0.5

 

 

 
0.7

Other Equity Interests:
 
 
 
 
 
 
 
 
 
 
Exchange Traded Funds
 
427.3

 

 

 

 
427.3

Limited Liability Companies and Limited Partnerships
 

 

 

 
192.0

 
192.0

Total Investments in Equity Securities at Fair Value
 
437.7

 
54.7

 

 
192.0

 
684.4

Convertible Securities at Fair Value
 

 
31.5

 

 

 
31.5

Total
 
$
594.2

 
$
5,456.5

 
$
897.4

 
$
192.0

 
$
7,140.1

At December 31, 2018, the Company had unfunded commitments to invest an additional $148.2 million in certain limited liability investment companies and limited partnerships that will be included in Other Equity Interests when funded.
NOTE 22. FAIR VALUE MEASUREMENTS (Continued)
The valuation of assets measured at fair value in the Company’s Consolidated Balance Sheet at December 31, 2017 is summarized below.
DOLLARS IN MILLIONS
 
Fair Value Measurements
 
Fair Value
Quoted Prices
in Active Markets
for Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Measured at Net Asset Value
 
Fixed Maturities:
 
 
 
 
 
 
 
 
 
 
U.S. Government and Government Agencies and Authorities
 
$
115.8

 
$
440.3

 
$

 
$

 
$
556.1

States and Political Subdivisions
 

 
1,701.8

 

 

 
1,701.8

Foreign Governments
 

 
3.2

 

 

 
3.2

Corporate Securities:
 
 
 
 
 
 
 
 
 
 
Bonds and Notes
 

 
2,579.1

 
401.5

 

 
2,980.6

Redeemable Preferred Stocks
 

 

 
0.1

 

 
0.1

Collateralized Loan Obligations
 

 
46.6

 
93.2

 

 
139.8

Other Mortgage- and Asset-backed
 

 
1.1

 

 

 
1.1

Total Investments in Fixed Maturities
 
115.8

 
4,772.1

 
494.8

 

 
5,382.7

Equity Securities:
 
 
 
 
 
 
 
 
 
 
Preferred Stocks:
 
 
 
 
 
 
 
 
 
 
Finance, Insurance and Real Estate
 

 
55.7

 

 

 
55.7

Other Industries
 

 
12.3

 
10.8

 

 
23.1

Common Stocks:
 
 
 
 
 
 
 
 
 
 
Finance, Insurance and Real Estate
 
7.0

 
0.1

 

 

 
7.1

Other Industries
 
0.7

 
0.4

 
16.6

 

 
17.7

Other Equity Interests:
 
 
 
 
 
 
 
 
 
 
Exchange Traded Funds
 
219.5

 

 

 

 
219.5

Limited Liability Companies and Limited Partnerships
 

 

 
34.4

 
168.5

 
202.9

Total Investments in Equity Securities
 
227.2

 
68.5

 
61.8

 
168.5

 
526.0

Fair Value Option Investments:
 
 
 
 
 
 
 
 
 
 
Limited Liability Companies and Limited Partnerships Hedge Funds
 

 

 

 
77.5

 
77.5

Other Investments:
 
 
 
 
 
 
 
 
 
 
Trading Securities
 
6.7

 

 

 

 
6.7

Other Liabilities:
 
 
 
 
 
 
 
 
 
 
Derivative Instrument Classified as Cash Flow Hedge
 

 
(0.8
)
 

 

 
(0.8
)
Total
 
$
349.7

 
$
4,839.8

 
$
556.6

 
$
246.0

 
$
5,992.1

Fair Value Inputs, Assets, Quantitative Information
The table below presents quantitative information about the significant unobservable inputs utilized by the Company in determining fair values for fixed maturity investments in corporate securities classified as Level 3 at December 31, 2018.
DOLLARS IN MILLIONS
 
Unobservable Input
 
Total Fair Value
 
Range of Unobservable Inputs
 
Weighted Average Yield
Investment-grade
 
Market Yield

$
146.7


3.7
%
-
10.9
%
 
5.2
%
Non-investment-grade:
 
 
 
 
 
 
 
 
 
 
Senior Debt
 
Market Yield
 
142.3

 
4.8

-
30.0

 
11.5

Junior Debt
 
Market Yield
 
87.6

 
11.0

-
28.5

 
14.2

Collateralized Loan Obligations (investment-grade and non-investment-grade)
 
Market Yield
 
504.9

 
4.1

-
13.4

 
6.1

Other
 
Various
 
15.9

 
 
 
 
 
 
Total Fixed Maturity Investments in Corporate Securities
 
 
 
$
897.4

 
 
 
 
 
 

NOTE 22. FAIR VALUE MEASUREMENTS (Continued)
The table below presents quantitative information about the significant unobservable inputs utilized by the Company in determining fair values for fixed maturity investments in corporate securities classified as Level 3 at December 31, 2017.
DOLLARS IN MILLIONS
 
Unobservable Input
 
Total Fair Value
 
Range of Unobservable Inputs
 
Weighted Average Yield
Investment-grade
 
Market Yield
 
$
96.2

 
3.0
%
-
6.7
%
 
3.8
%
Non-investment-grade:
 
 
 
 
 
 
 
 
 
 
Senior Debt
 
Market Yield
 
138.1

 
4.5

-
15.7

 
10.0

Junior Debt
 
Market Yield
 
154.1

 
9.6

-
24.3

 
12.9

Collateralized Loan Obligations
 
Market Yield
 
93.2

 
4.3

-
10.6

 
7.8

Other
 
Various
 
13.2

 
 
 
 
 
 
Total Fixed Maturity Investments in Corporate Securities
 
 
 
$
494.8

 
 
 
 
 
 
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Information by security type pertaining to the changes in the fair value of the Company’s investments classified as Level 3 for the year ended December 31, 2018 is presented below.
DOLLARS IN MILLIONS
 
Fixed Maturities
 
Equity Securities
 
 
 
Corporate
Bonds
and
Notes
 
States and Political Sub-divisions
 
Redeemable
Preferred
Stocks
 
Collateralized Loan Obligations
 
Other Mortgage-
and Asset-
backed
 
Preferred
and
Common
Stocks
 
Other
Equity
Interests
 
Total
Balance at Beginning of Year
 
$
401.5

 
$

 
$
0.1

 
$
93.2

 
$

 
$
27.4

 
$
34.4

 
$
556.6

Total Gains (Losses):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Included in Consolidated Statements of Income
 
4.4

 

 
(0.1
)
 
2.7

 

 

 

 
7.0

Included in Other Comprehensive Income
 
(2.2
)
 

 

 
(16.3
)
 
0.1

 

 

 
(18.4
)
Purchases
 
201.8

 
1.8

 

 
449.7

 
10.0

 

 

 
663.3

Settlements
 
(108.1
)
 

 

 
(58.3
)
 
(0.2
)
 

 

 
(166.6
)
Sales
 
(109.5
)
 

 

 

 

 

 

 
(109.5
)
Transfers into Level 3
 
2.4

 

 

 
33.9

 

 

 

 
36.3

Transfers out of Level 3
 
(7.7
)
 
(1.8
)
 

 

 

 
(27.4
)
 
(34.4
)
 
(71.3
)
Balance at End of Year
 
$
382.6

 
$

 
$

 
$
504.9

 
$
9.9

 
$

 
$

 
$
897.4

Information by security type pertaining to the changes in the fair value of the Company’s investments classified as Level 3 for the year ended December 31, 2017 is presented below.
DOLLARS IN MILLIONS
 
Fixed Maturities
 
Equity Securities
 
Total
Corporate
Bonds and
Notes
 
States and Political Sub-divisions
 
Redeemable
Preferred
Stocks
 
Collateralized Loan Obligations
 
Other Mortgage-
and Asset-
backed
 
Preferred
and
Common
Stocks
 
Other
Equity
Interests
 
Balance at Beginning of Year
 
$
403.2

 
$
3.8

 
$
0.6

 
$
103.5

 
$

 
$
29.7

 
$
40.9

 
$
581.7

Total Gains (Losses):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Included in Consolidated Statement of Income
 
(5.7
)
 
(1.2
)
 
0.1

 
1.5

 

 
1.4

 
4.0

 
0.1

Included in Other Comprehensive Income
 
4.9

 
0.1

 
(0.1
)
 
2.4

 

 
3.4

 
(4.8
)
 
5.9

Purchases
 
171.0

 

 

 
34.0

 

 
4.6

 
3.1

 
212.7

Settlements
 
(110.6
)
 
(2.6
)
 
(0.5
)
 
(33.5
)
 

 

 

 
(147.2
)
Sales
 
(40.8
)
 

 

 
(7.9
)
 

 
(8.2
)
 
(8.8
)
 
(65.7
)
Transfers into Level 3
 
8.1

 
1.4

 

 
5.0

 

 

 

 
14.5

Transfers out of Level 3
 
(28.6
)
 
(1.5
)
 

 
(11.8
)
 

 
(3.5
)
 

 
(45.4
)
Balance at End of Year
 
$
401.5

 
$

 
$
0.1

 
$
93.2

 
$

 
$
27.4

 
$
34.4

 
$
556.6