Note 5 - Fair Value of Financial Instruments Level 3 (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following is a list of those assets that are measured at fair value by hierarchy level as of December 31, 2015:



	December 31, 2015
(In millions)	Level I		Level II		Level III		Total
Assets and Liabilities at Fair Value
Investment Portfolio:
U.S. government and agency securities	$	670.3	$	8.0	$	—	$	678.3
State and municipal obligations	—		341.9		—		341.9
Money market instruments	443.3		—		—		443.3
Corporate bonds and notes	—		1,383.2		—		1,383.2
RMBS	—		297.1		—		297.1
CMBS	—		544.6		—		544.6
Other ABS	—		371.6		—		371.6
Foreign government and agency securities	—		37.6		—		37.6
Equity securities	74.9		25.0		0.5		100.4
Other investments (1)	—		99.0		—		99.0
Total Investments at Fair Value (2)	1,188.5		3,108.0		0.5		4,297.0
Total Assets at Fair Value	$	1,188.5	$	3,108.0	$	0.5	$	4,297.0

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(1)	Comprising short-term certificates of deposit and commercial paper.


(2)	Does not include certain other invested assets ($1.7 million), primarily invested in limited partnerships, accounted for as cost-method investments and not measured at fair value.

At December 31, 2015, total Level III assets of $0.5 million accounted for less than 0.1% of total assets measured at fair value. This investment was purchased during the three months ended June 30, 2015, and there were no related gains or losses recorded during the year ended December 31, 2015. There were no Level III liabilities at December 31,2015.

There were no investment transfers between Level I and Level II for the year ended December 31, 2015. There were also no transfers involving Level III assets or liabilities for the year ended December 31, 2015.

The following is a list of those assets that are measured at fair value by hierarchy level as of December 31, 2014:



	December 31, 2014
(In millions)	Level I		Level II		Total
Assets and Liabilities at Fair Value
Investment Portfolio:
U.S. government and agency securities	$	836.9	$	3.0	$	839.9
State and municipal obligations	—		362.8		362.8
Money market instruments	600.3		—		600.3
Corporate bonds and notes	—		992.8		992.8
RMBS	—		132.3		132.3
CMBS	—		246.8		246.8
Other ABS	—		185.5		185.5
Foreign government and agency securities	—		37.7		37.7
Equity securities (1)	164.0		51.6		215.6
Other investments (2)	—		1.0		1.0
Total Investments at Fair Value (3)	1,601.2		2,013.5		3,614.7
Total Assets at Fair Value	$	1,601.2	$	2,013.5	$	3,614.7

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(1)	Comprising broadly diversified domestic equity mutual funds and certain common stocks included within Level I and various preferred stocks invested across numerous companies and industries included within Level II.


(2)	Comprising short-term certificates of deposit.


(3)	Does not include certain other invested assets ($14.6 million), primarily invested in limited partnerships, accounted for as cost-method investments and not measured at fair value. Also excludes investments classified as assets held for sale of $495.1 million, $839.2 million and $102.6 million, with fair values categorized in Level I, Level II and Level III, respectively.

Fair Value, by Balance Sheet Grouping [Table Text Block]

The carrying value and estimated fair value of other selected assets and liabilities not carried at fair value on our consolidated balance sheets were as follows as of the dates indicated:



	December 31, 2015				December 31, 2014
(In millions)	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Assets:
Other invested assets	$	1.7	$	4.9	$	14.6	$	20.5	(1)
Liabilities:
Long-term debt	1,219.5		1,414.9		1,192.3		1,859.3		(1)

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(1)	These estimated fair values would be classified in Level II of the fair value hierarchy.