Disclosures about Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Summary of Company's Financial Instruments Whose Carrying Amount Did Not Equal Fair Value

A summary of our financial instruments whose carrying value did not equal fair value at June 30, 2013 and December 31, 2012 is shown below:

	June 30, 2013				December 31, 2012
(in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Junior subordinated debentures	$	193.3	$	155.2	$	193.3	$	151.8
Senior unsecured fixed rate notes		143.8		141.2		143.8		143.2
Other indebtedness:
Floating rate loan stock		63.2		50.7		63.0		49.5
Note payable		0.8		0.6		0.8		0.6
	$	401.1	$	347.7	$	400.9	$	345.1