The composition of the investment portfolio by major security type and our outstanding debt was:



	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2018
Fixed maturities:
U.S. government obligations	$	7,865.4	$	0	$	0	$	7,865.4	$	8,005.8
State and local government obligations	0		1,667.3		0		1,667.3		1,678.9
Foreign government obligations	0		0		0		0		0
Corporate debt securities	0		7,330.3		0		7,330.3		7,422.4
Subtotal	7,865.4		8,997.6		0		16,863.0		17,107.1
Asset-backed securities:
Residential mortgage-backed	0		822.6		0		822.6		819.6
Commercial mortgage-backed	0		2,696.9		0		2,696.9		2,725.5
Other asset-backed	0		3,177.6		0		3,177.6		3,189.2
Subtotal asset-backed securities	0		6,697.1		0		6,697.1		6,734.3
Redeemable preferred stocks:
Financials	0		67.7		0		67.7		65.3
Utilities	0		4.6		0		4.6		4.8
Industrials	10.1		146.7		0		156.8		150.3
Subtotal redeemable preferred stocks	10.1		219.0		0		229.1		220.4
Total fixed maturities	7,875.5		15,913.7		0		23,789.2		24,061.8
Short-term investments	2,954.2		277.0		0		3,231.2		3,231.2
Total available-for-sale securities	10,829.7		16,190.7		0		27,020.4		27,293.0
Equity securities:
Nonredeemable preferred stocks:
Financials	77.4		676.2		0		753.6		672.0
Industrials	0		0		5.0		5.0		5.0
Subtotal nonredeemable preferred stocks	77.4		676.2		5.0		758.6		677.0
Common equities:
Common stocks	3,141.9		0		0		3,141.9		1,313.7
Other risk investments	0		0		0.3		0.3		0.3
Subtotal common equities	3,141.9		0		0.3		3,142.2		1,314.0
Total equity securities	3,219.3		676.2		5.3		3,900.8		1,991.0
Total portfolio	$	14,049.0	$	16,866.9	$	5.3	$	30,921.2	$	29,284.0
Debt	$	0	$	3,959.0	$	0	$	3,959.0	$	3,859.5



	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
June 30, 2017
Fixed maturities:
U.S. government obligations	$	4,155.0	$	0	$	0	$	4,155.0	$	4,166.4
State and local government obligations	0		2,500.1		0		2,500.1		2,473.3
Foreign government obligations	22.5		0		0		22.5		22.5
Corporate debt securities	0		5,013.8		0		5,013.8		4,991.6
Subtotal	4,177.5		7,513.9		0		11,691.4		11,653.8
Asset-backed securities:
Residential mortgage-backed	0		1,267.6		0		1,267.6		1,260.3
Commercial mortgage-backed	0		2,375.0		0		2,375.0		2,364.9
Other asset-backed	0		2,847.4		0		2,847.4		2,843.3
Subtotal asset-backed securities	0		6,490.0		0		6,490.0		6,468.5
Redeemable preferred stocks:
Financials	0		64.1		0		64.1		60.4
Utilities	0		32.2		0		32.2		30.5
Industrials	0		110.4		0		110.4		98.5
Subtotal redeemable preferred stocks	0		206.7		0		206.7		189.4
Total fixed maturities	4,177.5		14,210.6		0		18,388.1		18,311.7
Equity securities:
Nonredeemable preferred stocks:
Financials	85.3		697.8		0		783.1		666.0
Industrials	0		0		0		0		0
Subtotal nonredeemable preferred stocks	85.3		697.8		0		783.1		666.0
Common equities:
Common stocks	3,077.2		0		0		3,077.2		1,472.0
Other risk investments	0		0		0.3		0.3		0.3
Subtotal common equities	3,077.2		0		0.3		3,077.5		1,472.3
Total fixed maturities and equity securities	7,340.0		14,908.4		0.3		22,248.7		20,450.0
Short-term investments	2,448.0		1,281.7		0		3,729.7		3,729.7
Total portfolio	$	9,788.0	$	16,190.1	$	0.3	$	25,978.4	$	24,179.7
Debt	$	0	$	3,564.4	$	114.8	$	3,679.2	$	3,383.4



	Fair Value
(millions)	Level 1		Level 2		Level 3		Total		Cost
December 31, 2017
Fixed maturities:
U.S. government obligations	$	6,645.9	$	0	$	0	$	6,645.9	$	6,688.8
State and local government obligations	0		2,297.1		0		2,297.1		2,285.6
Foreign government obligations	0		0		0		0		0
Corporate debt securities	0		4,997.7		0		4,997.7		4,997.2
Subtotal	6,645.9		7,294.8		0		13,940.7		13,971.6
Asset-backed securities:
Residential mortgage-backed	0		836.7		0		836.7		828.8
Commercial mortgage-backed	0		2,758.6		0		2,758.6		2,760.1
Other asset-backed	0		2,454.7		0		2,454.7		2,454.5
Subtotal asset-backed securities	0		6,050.0		0		6,050.0		6,043.4
Redeemable preferred stocks:
Financials	0		64.1		0		64.1		61.3
Utilities	0		11.4		0		11.4		10.1
Industrials	0		135.5		0		135.5		123.5
Subtotal redeemable preferred stocks	0		211.0		0		211.0		194.9
Total fixed maturities	6,645.9		13,555.8		0		20,201.7		20,209.9
Equity securities:
Nonredeemable preferred stocks:
Financials	80.6		718.2		0		798.8		693.6
Industrials	0		0		5.0		5.0		5.0
Subtotal nonredeemable preferred stocks	80.6		718.2		5.0		803.8		698.6
Common equities:
Common stocks	3,399.5		0		0		3,399.5		1,498.7
Other risk investments	0		0		0.3		0.3		0.3
Subtotal common equities	3,399.5		0		0.3		3,399.8		1,499.0
Total fixed maturities and equity securities	10,126.0		14,274.0		5.3		24,405.3		22,407.5
Short-term investments	1,824.4		1,045.0		0		2,869.4		2,869.4
Total portfolio	$	11,950.4	$	15,319.0	$	5.3	$	27,274.7	$	25,276.9
Debt	$	0	$	3,606.5	$	37.1	$	3,643.6	$	3,306.3