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Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2011
Fair Value of Financial Instruments  
Summary of the fair value and carrying value of financial instruments

 

 

 

 

June 30, 2011

 

December 31, 2010

 

Millions

 

Fair
Value

 

Carrying
Value

 

Fair
Value

 

Carrying
Value

 

OBH Senior Notes

 

$

282.2

 

$

269.7

 

$

435.1

 

$

419.6

 

WMRe Senior Notes

 

414.7

 

399.3

 

390.9

 

399.2

 

WMRe Preference Shares

 

237.5

 

250.0

 

212.5

 

250.0